#335 SQL +48
		CREATE OR REPLACE FUNCTION melodious.query_flags(user_name varchar(32), chan_name varchar(32), igroup_name varchar(32), iflag_name varchar(32), flagcheck bool)
		RETURNS TABLE (
			group_holders jsonb [],
			flag_id int4,
			flag_name varchar(32),
			flag jsonb
		)
		LANGUAGE plpgsql
		AS $$
		DECLARE
			uid int4 := NULL;
			cid int4 := NULL;
			gid int4 := NULL;
		BEGIN
			IF user_name <> '' THEN
				SELECT id INTO uid FROM melodious.accounts WHERE username=user_name;
				IF uid IS NULL THEN
					RAISE EXCEPTION 'no such user';
				END IF;
			END IF;
			IF chan_name <> '' THEN
				SELECT id INTO cid FROM melodious.channels WHERE name=chan_name;
				IF cid IS NULL THEN
					RAISE EXCEPTION 'no such channel';
				END IF;
			END IF;
			IF igroup_name <> '' THEN
				SELECT id INTO gid FROM melodious.groups WHERE name=igroup_name;
				IF gid IS NULL THEN
					RAISE EXCEPTION 'go such group';
				END IF;
			END IF;

			IF igroup_name = '' THEN
				IF iflag_name = '' THEN
					IF user_name = '' AND chan_name = '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB((SELECT name FROM melodious.groups WHERE id=gh.group_id LIMIT 1)))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE (NOT flagcheck) OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
						GROUP BY gf.id, gf.name;
					ELSIF user_name <> '' AND chan_name <> '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB((SELECT name FROM melodious.groups WHERE id=gh.group_id LIMIT 1)))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE (gh.user_id = uid AND gh.channel_id = cid)
							 OR (flagcheck AND gh.user_id = uid AND gh.channel_id IS NULL)
							 OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id = cid)
							 OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
						GROUP BY gf.id, gf.name;
					ELSIF user_name <> '' AND chan_name = '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB((SELECT name FROM melodious.groups WHERE id=gh.group_id LIMIT 1)))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE (NOT flagcheck AND gh.user_id = uid)
							 OR (flagcheck AND gh.user_id = uid AND gh.channel_id IS NULL)
							 OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
						GROUP BY gf.id, gf.name;
					ELSIF user_name = '' AND chan_name <> '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB((SELECT name FROM melodious.groups WHERE id=gh.group_id LIMIT 1)))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE (NOT flagcheck AND gh.channel_id = cid)
							 OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id = cid)
							 OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
						GROUP BY gf.id, gf.name;
					END IF;
				ELSE
					IF user_name = '' AND chan_name = '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB((SELECT name FROM melodious.groups WHERE id=gh.group_id LIMIT 1)))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE (gf.name = iflag_name)
							AND (
								(NOT flagcheck)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name <> '' AND chan_name <> '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB((SELECT name FROM melodious.groups WHERE id=gh.group_id LIMIT 1)))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE gf.name = iflag_name
						  AND (
								(gh.user_id = uid AND gh.channel_id = cid)
							 	OR (flagcheck AND gh.user_id = uid AND gh.channel_id IS NULL)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id = cid)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name <> '' AND chan_name = '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB((SELECT name FROM melodious.groups WHERE id=gh.group_id LIMIT 1)))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE gf.name = iflag_name
							AND (
								(NOT flagcheck AND gh.user_id = uid)
								OR (flagcheck AND gh.user_id = uid AND gh.channel_id IS NULL)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name = '' AND chan_name <> '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB((SELECT name FROM melodious.groups WHERE id=gh.group_id LIMIT 1)))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE gf.name = iflag_name
							AND (
								(NOT flagcheck AND gh.channel_id = cid)
								OR (flagcheck AND gh.channel_id = cid AND gh.user_id IS NULL)
								OR (flagcheck AND gh.channel_id IS NULL AND gh.user_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					END IF;
				END IF;
			ELSE
				IF iflag_name = '' THEN
					IF user_name = '' AND chan_name = '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB(igroup_name))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE gh.group_id = gid
							AND (
								(NOT flagcheck)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name <> '' AND chan_name <> '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB(igroup_name))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE gh.group_id = gid
							AND (
								(gh.channel_id = cid AND gh.user_id = uid)
								OR (flagcheck AND gh.channel_id = cid AND gh.user_id IS NULL)
								OR (flagcheck AND gh.channel_id IS NULL AND gh.user_id = uid)
								OR (flagcheck AND gh.channel_id IS NULL AND gh.user_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name <> '' AND chan_name = '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB(igroup_name))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE gh.group_id = gid
							AND (
								(NOT flagcheck AND gh.user_id = uid)
								OR (flagcheck AND gh.user_id = uid AND gh.channel_id IS NULL)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name = '' AND chan_name <> '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB(igroup_name))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE gh.group_id = gid
							AND (
								(NOT flagcheck AND gh.channel_id = cid)
								OR (flagcheck AND gh.channel_id = cid AND gh.user_id IS NULL)
								OR (flagcheck AND gh.channel_id IS NULL AND gh.user_id IS NULL) 
							)
						GROUP BY gf.id, gf.name;
					END IF;
				ELSE
					IF user_name = '' AND chan_name = '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB(igroup_name))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						INNER JOIN melodious.groups g
						ON g.id = gh.group_id
						WHERE (gf.name = iflag_name AND gh.group_id = gid)
							AND (
								(NOT flagcheck)
								OR (flagcheck AND gh.channel_id IS NULL AND gh.user_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name <> '' AND chan_name <> '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB(igroup_name))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE (gf.name = iflag_name AND gh.group_id = gid)
							AND (
								(gh.user_id = uid AND gh.channel_id = cid)
								OR (flagcheck AND gh.user_id = uid AND gh.channel_id IS NULL)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id = cid)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name <> '' AND chan_name = '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB(igroup_name))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE (gh.group_id = gid AND gf.name = iflag_name)
							AND (
								(NOT flagcheck AND gh.user_id = uid)
								OR (flagcheck AND gh.user_id = uid AND gh.channel_id IS NULL)
								OR (flagcheck AND gh.user_id IS NULL AND gh.channel_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					ELSIF user_name = '' AND chan_name <> '' THEN
						RETURN QUERY SELECT
							ARRAY_AGG(JSONB_SET(ROW_TO_JSON(gh)::JSONB, '{group_name}'::TEXT[], TO_JSONB(igroup_name))) AS group_holders,
							gf.id flag_id,
							gf.name flag_name,
							gf.flag flag
						FROM melodious.group_holders gh
						INNER JOIN melodious.group_flags gf
						ON gh.group_id = gf.group_id
						WHERE (gf.name = iflag_name AND gh.group_id = gid)
							AND (
								(NOT flagcheck AND gh.channel_id = cid)
								OR (flagcheck AND gh.channel_id = cid AND gh.user_id IS NULL)
								OR (flagcheck AND gh.channel_id IS NULL AND gh.user_id IS NULL)
							)
						GROUP BY gf.id, gf.name;
					END IF;
				END IF;
			END IF;
		END;
		$$;
By Anonymous, 2019-02-05 15:36:52

string date = user.RegistrationDate.ToShortDateString().ToString();
By Anonymous, 2019-02-13 14:51:41
function urlREPLACER(dtTEXTVALUE){
    
    dtTEXTVALUE.indexOf('http://') != -1 && (dtTEXTVALUE = dtTEXTVALUE.replace('http://','')) && dtTEXTVALUE.indexOf('.aspx') == -1 && (dtTEXTVALUE += '.aspx');
    
    return dtTEXTVALUE;
}
By I'm glad, 2019-02-16 13:10:54
function uberURLREPLACER(dtTEXTVALUE,boolVALUE){
    
// If statement? what's that?? 
// Naming conventions? Of course not! 
// true/false keywords? I never heard it.
boolVALUE != !1 && dtTEXTVALUE.indexOf('http://') != -1 && (dtTEXTVALUE = dtTEXTVALUE.replace('http://','')) && dtTEXTVALUE.indexOf('.aspx') == -1 && (dtTEXTVALUE += '.aspx');

return dtTEXTVALUE;

}

Here's the weirdest way to create if statement with terrible naming conventions. Its based on real events and production code.

By I've no idea, 2019-02-16 13:16:07
    if (model.env.Trim().ToUpper() == "Release")
    {
        retVal = false;
        if (!string.IsNullOrEmpty(model.Server_Core))
        {
            // Perform a trim in case user specified just whitespace...
            string tmpStr = model.Server_Core.Trim();
            if (!string.IsNullOrEmpty(tmpStr))
            {
                retVal = true;
            }
        }
    }
By Anonymous, 2019-02-25 17:12:31
#include<stdio.h>
#include<stdlib.h>	
#include<string.h>	
	int main(void){
	void run_func(char *map[], char *fnt  , char *km , float *x ,  float *y , int line , int row , int lift    );
				char *long_met[3][8] = {{"mile","0.621371"  ,  "yard","1093.61" , "fut","3280.84" , "duim","39370.1" } ,
							{ "mile" ,"1.60934" , "yard","0.0009144" ,  "fut","0.0003048" ,  "duim","0.0000254"},
 			   				{"kilometer","1"  , "meter","1000"  ,   "stmeter","100000" ,   "mmeter","1000000" } }; 
				char *amount[3][4] = { { "gallon" , "0.264172" ,       "quarta" , "1.05669"     } , 
						{"gallon" , " 3.78541"  ,     "quarta" , "0.946353"   },
						{"litr" , "1"  , "mililitr" , "1000"   }};
				char *mass[3][8] = {   {"eng.tonna","0.984207"  ,  "amer.tonna","1.10231" , "stone","157.473" , "funt","2204.62" } ,
   						{ "eng.tonna" , "1.01605" , "amer.tonna", "0.907185" ,  "stone","0.00635029" ,  "funt","0.000453592"},
						{"tonna","1" ,         "kilogram" , "1000"  , "miligram","100000"   , "microgram","1000000"  }}; 
				char **cp;
				char *buf_data;
				char *fnt_sys;
				char *mtr_sys;
				char *word[100];
	while(1){
	int bg  = 0,convert_ch = 3,y = 0, d = 0, numb = 0;
  	float mn =0  , xm = 0 ;
	printf("%s", "enter data for converter: ");
		fgets( (char *) word, 99 ,stdin);
		buf_data = strtok((char *) word, " ");
		if( ! strcmp(buf_data, "funt.sys"   )     ){
		convert_ch = 0;	
		}
		else	if( ! strcmp(buf_data, "metric.sys"    )     ){
			convert_ch = 1;	
		}
		for( bg = 0 ;  buf_data != NULL;  buf_data = strtok(NULL, " ")  , bg++ ) {
			switch(bg){
				case 1:
					if( !strcmp("long_met" , buf_data  )  ){
			  			 y	=   sizeof(*long_met) / sizeof(long_met[0][0]); 
	          	      	                 d	=   sizeof(long_met) /   sizeof(long_met[0][0]); 
			  		        cp  = &long_met[convert_ch][0]  ;
					}
			   		else if(!strcmp("amount" , buf_data  ) ){
			  			 y	= sizeof(*amount) /  sizeof(amount [0][0]); 
		            	                 d	= sizeof(amount) /  sizeof(amount[0][0]); 
				    	        cp = &amount[convert_ch][0] ;
					}
				 	else if(!strcmp("mass" , buf_data  ) ){
				  		 y	= sizeof(*mass ) /  sizeof(mass[0][0]); 
		         		         d	= sizeof(mass ) /  sizeof(mass[0][0]); 
				 		 cp = &mass[convert_ch][0] ; 
					}
					break;
				case 2:
				fnt_sys = buf_data;
					break;
				case 3:
				mtr_sys = buf_data;
					break;
				case 4:
				numb =   atoi(buf_data);
					break;
			}
		}
		if( !y || !d || !cp || convert_ch == 3 || !numb ){
	
			puts("error");
		}
		else{
			run_func( cp,   fnt_sys ,  mtr_sys , &mn ,  &xm , y  , d , convert_ch );
			if( !mn || !xm  ){
		puts("error");
				} else{
			printf("%f\n" , !convert_ch  ?    (mn  /  xm ) * numb :  (  mn  *  xm   ) * numb         );	
			}
		}
	}
	return 0;
	}
	void run_func(char *map[], char *fnt  , char *km , float *x ,  float *y , int line , int row  , int lift    ){
		int m ;
	if(  ( lift )   ){
			row    -= line;	
		}
	for(  m = 0 ; m <= line   ; m++){
		if(!strcmp(fnt,map[m])){
			*x = atof(map[m  + 1] )  ;
			break;
			}
		}
	for( m =   (row  - line) ; m <=  row - 1  ; m++){
		if( !strcmp( km   ,  map[m] ) ){
			*y = atof(map[m  + 1 ] );
			break;
				}
			}
		}
By Gne4do, 2019-02-26 14:38:14
return [word for word in words if any(all(ch in row for ch in word.lower()) for row in rows)]

Filtering words that can be typed using only one row of the keyboard.

By Mark, 2019-02-27 15:53:46
.black {
    color: #000;
}

.not-black {
    color: #999;
}
By Anonymous, 2019-03-04 13:45:29
<Image source={ this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? iconBlue
                                    : iconWhite
                                    : i.dropoff 
                                    ? iconBlue
                                    : iconWhite} style={{
                                      height:this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? 30
                                    : i.sign === 'D' ? 30 : 35
                                    : i.dropoff 
                                    ? 30
                                    : i.sign === 'D' ? 30 : 35,
                                    marginRight:10 ,
                                    width: this.props.pickupOrDropoff == "pickup"
                                    ? i.pickup
                                    ? 40
                                    : 40
                                    : i.dropoff 
                                    ? 40
                                    : 40
                                    ,resizeMode:'contain'}}/>

I love when the code is neat...

By Fluttershy, 2019-03-05 11:40:08
void MagicUnit::getSomeVoltage(std::uint64_t w_data, double &val)
{
    std::uint64_t r_data = 0;
    hwRead((int)Address::Voltage, 3, w_data, 2, &r_data);
    val = r_data;
    val /= 16; // shit right 4 bits
    val *= 0.004;
    val -= 8.192;
}
By Anonymous, 2019-03-11 08:43:52
try:
    raise
except RuntimeError:
    raise

try this in python3

By FranchuFranchu, 2019-03-14 23:10:03
<?php

$payload = '{ "products": [';
foreach ($products as $product) {
    $payload .= $product->toJson() . ',';
}
$payload = substr($payload, 0, \strlen($payload) - 1);
$payload .= ']}';
By sijolas, 2019-03-15 14:47:06

/**
 * fk--folder key,dk--doc key -->value is key string
 * dt--doc type,ft--folder type -->both have 19 key options: 
 * bom tr amend history help info loeid cust cust0-cust9 custhist
 * folder type only seen as "history" in toc,why ??do we use other ones? -- it only has one child
 * doc type only seen two "tr" and "history" in toc??-- it only has one child 
 * node with "folder type="history"" is the only child of it parent either "<doc type="tr" key="xxx" trnum="xxx"....." or "<doc type="tr"  trnum="xxx""
 * <folder type="history"  could has more then one doc children .e.g. title="History of AMM31-32-00-720-807" in 700/amm
 * 
 * 
 * 
 * folder element has the follwing to identify itself:
 * 	1, key 
 * 	2, type="history",  in this case, folder is the only child of doc element with type ="tr"?????
 * 
 * doc element has the following to identify itself
 * 	1, key
 * 	2, type="tr" trnum="xxxxx"
 * 	3, type="history", in this case, doc isthe only child of a folder element???
 * 
 * 
 * 
 * the return json format likes following: 
 * [
 * { "data" : "A node", "children" , "state" : "open" },
 * { "data" : "Only child", "state" : "closed" },
 *	"Ajax node"
 *	]
 */

public class XMLToJson
{
	private static final Map<String, String> pathMap;
	static
	{
		Map<String, String> aMap = new HashMap<String, String>();
		aMap.put("fk", "folder[@key");
		aMap.put("ft", "folder[@type");
		aMap.put("fth", "folder[@type='history'");
		aMap.put("dk", "doc[@key");
		aMap.put("dt", "doc[@type");
		aMap.put("dth", "doc[@type='history'");
		aMap.put("dtrn", "doc[@trnum");
		pathMap = Collections.unmodifiableMap(aMap);
	}

	Util util = new Util();

	/*
	 * @param url the path to TOC.xml
	 * @param xPathString the short format searched node path
	 * @throws DocumentException
	 * 
	 * sample xPathString : "fk:AMM24_fk:AMM24-FM_dk" 
	 */
	@SuppressWarnings({ "unchecked" })
	public String getJson(URL url, String xPathString) throws Exception
	{
		Document TOCDoc = util.getDocument(url);
		String jsonString = "[";

		Element node = null;
		if (xPathString.equals("/"))
		{

			node = TOCDoc.getRootElement();
		}
		else
		{
			String realXPathString = pathMapping(xPathString);
			System.out.println(realXPathString);
			node = (Element) TOCDoc.selectSingleNode(realXPathString);
		}
		//List<Element>  li = node.elements();
		for (Iterator<Element> i = node.elementIterator(); i.hasNext();)
		{
			Element elem = (Element) i.next();
			String eleName = elem.getName();
			Boolean hasChildren = false;
			if ((elem.elements().size() > 0))
			{
				hasChildren = true;
				//current element has children itself, state shoud be "closed"

			}
			List<Attribute> list = elem.attributes();
			String titleAttrContent = elem.attributeValue("title");
			//Boolean isFileAttr = false;
			String fileAttrContent = elem.attributeValue("file");
			//if  (fileAttrContent.isEmpty() )
			if (eleName == "doc")
			{
				//doc element always has "file" attribute

				for (Attribute attribute : list)
				{
					jsonString = jsonString.concat("{");
					String attrName = attribute.getName();
					//System.out.println("doc arribute Name : " + attrName);
					//each one has to have "data" line, "attr" line "state" line and "children" line
					jsonString = jsonString.concat("'data':'").concat(titleAttrContent).concat("',");
					if (attrName.equals("key"))
					{
						String keyContent = elem.attributeValue("key");
						jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_dk:").concat(keyContent).concat("','file':'").concat(fileAttrContent).concat("'}");

						break;
					}
					else if (attrName.equals("trnum"))
					{

						String trnumContent = elem.attributeValue("trnum");
						jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_dtrn:").concat(trnumContent).concat("','file':'").concat(fileAttrContent).concat("'}");

						break;
					}
					/*		else if (attrName.equals("type"))//type attribute for doc element won't determite what exactly the element is 
							{
								String typeContent = elem.attributeValue("type");
								//doc element has type "history"
								if (typeContent == "history"){
									jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_dth,");
								}else if (typeContent == "?????"){
									//any values for type attribute need to concern???? 
								}

							}
							else if (attrName.equals("file"))
							{

							}*/
				}
				if (hasChildren)
				{
					//state set up as "closed" and no need to set up "children" field
					jsonString = jsonString.concat(",'state':'closed'");

				}
				else
				{
					//no need to put anything
					//jsonString = jsonString.concat("'state':'???'");
				}
				jsonString = jsonString.concat("},");
			}

			else if (eleName == "folder")
			{
				jsonString = jsonString.concat("{");
				for (Attribute attribute : list)
				{
					String attrName = attribute.getName();
					jsonString = jsonString.concat("'data':'").concat(titleAttrContent).concat("',");
					if (attrName.equals("key"))
					{
						String keyContent = elem.attributeValue("key");
						jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_fk:").concat(keyContent).concat("'}");
						if (fileAttrContent != null)
						{
							jsonString = jsonString.concat("','file':'").concat(fileAttrContent).concat("'}");
						}

						break;
					}
					else if (attrName.equals("type"))
					{
						String typeContent = elem.attributeValue("type");
						//doc element has type "history"
						if (typeContent == "history")
						{
							jsonString = jsonString.concat("'attr':{'id':'").concat(xPathString).concat("_fth,");

						}
						else if (typeContent == "?????")
						{
							//any values need to concern???? 
						}
						break;

					}

				}
				jsonString = jsonString.concat("},");
			}
			continue;
		}
		//return list;
		jsonString = jsonString.substring(0, jsonString.length() - 1);
		jsonString = jsonString.concat("]");
		return jsonString;

	}

	/*
	 * read xpathstring from post request and generate the real xpath for toc
	 */
	public String getXPathString()
	{
		//readPostRequest()
		return null;
	}

	/*
	 * post string looks like : "fk:LOETR_dtrn:TR12-118_fth_dth"
	 * it represents the inner doc elemnet:
	 * <folder key="LOETR" type="loetr" title="List of Effective TRs" file="loetr.html">
	 *		<doc type="tr" trnum="TR12-118" trdate="May 07/2012" title="[TR12-118] TASK AMM12-31-00-660-806 - Inspection and Removal of De-Hydrated Anti-Icing Fluid inside the Flight Control Surfaces" file="TR12-118.pdf" refloc="AMM12-31-00-660-806">
	 * 			<folder type="history" title="History of AMM12-31-00-660-806">
	 *   			<doc title="TASK 12-31-00-660-806 - Inspection and Removal of De-Hydrated Anti-Icing Fluid inside the Flight Control Surfaces" file="AMM12-31-00-660-806.pdf" type="history" refloc="AMM12-31-00-660-806"/>
	 * </folder>
	 * the xpath string should be:
	 * folder[@key="LOETR"]/doc[@trnum="TR12-118"]/folder[@type="history"]/doc[@type="history"]
	 * 
	 * 
	 * the String : "fk:AMM24_fk:AMM24-FM_dk:CTOC-24" 
	 * it represents the inner doc with attribute file="CTOC-24.pdf"
	 * the string : "fk:AMM24_fk:AMM24-00-00_fk:AMM24-00-00-02_dk:AMM24-00-00-700-801" represents
	 * <folder key="AMM24" title="CH 24 - Electrical Power">
	 *		<folder key="AMM24-FM" title="Front Matter">
	 * 			<doc key="CTOC-24" title="Table of Contents" file="CTOC-24.pdf"/>
	 *		</folder>
	 *		<folder key="AMM24-00-00" title="24-00-00 - General">
	 * 			<folder key="AMM24-00-00-02" title="General - Maintenance Practices">
	 *   			<doc key="AMM24-00-00-700-801" title="TASK 24-00-00-700-801 - AC Power, DC Power and Battery Maintenance Practice Recommendations" file="AMM24-00-00-700-801.pdf"/>
	 * 
	 * it can be even optimized as :
	 * "fk:AMM24_fk:00-00_fk:02_dk:AMM24-00-00-700-801"
	 * if the inner key fully include the previous key, omit it, otherwise use full string   
	 * the xpath string should be:
	 * folder[@key="AMM24"]/folder[@key="AMM24-00-00"]/folder[@key="AMM24-00-00-02"]/doc[@key="AMM24-00-00-700-801"]
	 *  
	 * if shortXPath is ?? which means the query based on the root of the document
	 * 
	 * 	 
	 */
	public String pathMapping(String shortXPath) throws Exception
	{
		String tagetString = null;
		if (shortXPath.equals(""))
		{
			tagetString = "//toc";
		}
		else
		{
			tagetString = "//";
		}

		int newStart = 0;
		String segString = "";
		String valueString = "";
		//dth???
		//need mapping all senarios
		//already??
		while (shortXPath.indexOf("_", newStart) > -1)
		{
			int keyValueSepPos = 0;
			String keyString = "";//not necessary key, might be type attribute
			segString = shortXPath.substring(newStart, shortXPath.indexOf("_", newStart));
			newStart = shortXPath.indexOf("_", newStart) + 1;//new start search point
			//System.out.println(newStart);
			if (segString.indexOf(":") > 0)
			{
				keyValueSepPos = segString.indexOf(":");
				keyString = segString.substring(0, keyValueSepPos);
				valueString = segString.substring(keyValueSepPos + 1);
				if (pathMap.get(keyString).length() > 0)
				{
					tagetString = tagetString.concat(pathMap.get(keyString));
				}
				else
				{
					throw new Exception("no mapping found");
				}
				tagetString = tagetString.concat("='").concat(valueString).concat("']/");
			}
		}
		//this is for scenerio either no "_" or sub string after "_"
		segString = shortXPath.substring(newStart);
		System.out.println(segString);
		if (segString.indexOf(":") > 0)
		{
			int lastKeyValueSepPos = segString.indexOf(":");
			String lastKeyString = segString.substring(0, lastKeyValueSepPos);
			String lastValueString = segString.substring(lastKeyValueSepPos + 1);
			if (pathMap.get(lastKeyString).length() > 0)
			{
				tagetString = tagetString.concat(pathMap.get(lastKeyString));
			}
			else
			{
				throw new Exception("no mapping found");
			}
			tagetString = tagetString.concat("='").concat(lastValueString).concat("']");
		}
		return tagetString;

	}

	public static void main(String[] args) throws Exception
	{
		XMLToJson x2j = new XMLToJson();
		String test = "fk:AMM24_fk:AMM24-FM";

		test = "";
		System.out.println(x2j.getJson(new URL("http://localhost:8080/WebNavSpring/q400/amm/toc.xml"), test));
		//System.out.println(x2j.pathMapping(test));

	}
}

easy clean code to convert XML to JSON .

By used in Major Airspace company , 2019-03-15 17:59:54
const Discord = require("discord.js");
const bot = new Discord.Client();
const TOKEN = "NOPE"
var color = require('chalk');
var fs = require('fs');

bot.on("ready", function(message) {
    console.log(color.green("Online"))
})
bot.on("message", function(message){
    console.log("Channel:" + color.blue(message.channel) + " " + "Author:" + color.blue(message.author) + " " + "Message:" + color.blue(message.content))
    if (message.content.includes("uranium") || message.content == "Uranium" || message.content == "uranium" || message.content.includes("uranium")) {
        console.log(color.black.yellow("Message Flagged As Suspicous"))
        console.log(color.black.yellow("Contains: Uranium"))
        console.log(color.black.bgYellow("Message:" + message.content))
        console.log(color.black.bgYellow("Message Id:" + message.id))
        console.log(color.black.bgYellow("Author Id:" + message.author.id))
        console.log(color.black.bgYellow("Channel Id:" + message.channel.id))
        console.log(color.yellow("Severity:" + "1"))
        var alertsev1 =  `Message + Id: + ${message.id} + | + Author + Id: + ${message.author.id} + | + Message + Channel Id: ${message.channel.id} + | + Message: + ${message.content}` 
        fs.writeFile('alerts.txt', `${alertsev2}`)
    }
    if (message.content.includes("raid") || message.content.includes("Raid")) {
        console.log(color.black.red("Message Flagged As Suspicous"))
        console.log(color.black.red("Contains: Raid"))
        console.log(color.black.bgRed("Message:" + message.content))
        console.log(color.black.bgRed("Message Id:" + message.id))
        console.log(color.black.bgRed("Author Id:" + message.author.id))
        console.log(color.black.bgRed("Channel Id:" + message.channel.id))
        console.log(color.black.red("Severity:" + "2"))
        var alertsev2 =  `Message + Id: + ${message.id} + | + Author + Id: + ${message.author.id} + | + Message + Channel Id: ${message.channel.id} + | + Message: + ${message.content}` 
        fs.writeFile('alerts.txt', `${alertsev2}`)
    }
    if (message.content.includes("raid") && message.content.includes("uranium") || message.content.includes("raid") && message.content.includes("Uranium") || message.content.includes("raid") && message.content.includes("uranium") || message.content.includes("Raid") && message.content.includes("uranium") || message.content.includes("Raid")) {
        console.log(color.black.red("Message Flagged As Possible Raid Initiation"))
        console.log(color.black.red("Contains: Raid, Uranium"))
        console.log(color.black.bgRed("Message:" + message.content))
        console.log(color.black.bgRed("Message Id:" + message.id))
        console.log(color.black.bgRed("Author Id:" + message.author.id))
        console.log(color.black.bgRed("Channel Id:" + message.channel.id))
        console.log(color.black.red("Severity:" + "3"))
        var alertsev3 =  `Message + Id: + ${message.id} + | + Author + Id: + ${message.author.id} + | + Message + Channel Id: ${message.channel.id} + | + Message: + ${message.content}` 
        fs.writeFile('alerts.txt', `${alertsev3}`)
    }
})
bot.login(TOKEN)

I'm making a discord message logger but I want to output message.content message.author message.id message.channel.id into one text file everytime a message is sent in the following format: Message ID:(Id here) Message Author: (Author ID here) Channel ID: (Channel ID here) Message: (message here) ive tried with the following code but it printed undefined out into the text document

By JackThePug, 2019-03-16 22:31:03
try {
    channel.send(eventMessage);
} catch (MessageHandlingException ex) {
    channel.send(eventMessage);
}
By Anonymous, 2019-03-29 08:53:50