namespace network
{
    class ip
    {
        uint _IP;
        public ushort this[int i]
        {
            get
            {
                switch(i)
                {
                    case 0:
                    case 1:
                    case 2:
                    case 3:
                        return (ushort)(_IP>>(i*8));
                    default:
                    throw new IndexOutOfRangeException();
                }
            }
            set
            {
                switch(i)
                {
                    case 0:
                    case 1:
                    case 2:
                    case 3:
                        _IP=(((uint)value)<<i*8);
                        break;
                    default:
                    throw new IndexOutOfRangeException();
                }
            }
        }
    }
}

I have no idea what this does

By Anonymous, 2022-04-26 16:20:05
#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
        public static bool ValidateEmailAddress(string emailAddress)
        {
            string pattern = "^((?>[a-zA-Z\\d!#$%&'*+\\-/=?^_`{|}~]+\x20*|\"((?=[\x01-\x7f])[^\"\\]|\\[\x01-\x7f])*\"\x20*)*(?<angle><))?((?!\\.)(?>\\.?[a-zA-Z\\d!#$%&'*+\\-/=?^_`{|}~]+)+|\"((?=[\x01-\x7f])[^\"\\]|\\[\x01-\x7f])*\")@(((?!-)[a-zA-Z\\d\\-]+(?<!-)\\.)+[a-zA-Z]{2,}|\\[(((?(?<!\\[)\\.)(25[0-5]|2[0-4]\\d|[01]?\\d?\\d)){4}|[a-zA-Z\\d\\-]*[a-zA-Z\\d]:((?=[\x01-\x7f])[^\\\\[\\]]|\\[\x01-\x7f])+)\\])(?(angle)>)$";

            if (!String.IsNullOrEmpty(emailAddress) && !(Regex.Match(emailAddress.Trim(), pattern, RegexOptions.IgnoreCase)).Success)
            {
                return false;
            }
            return true;
        }
By Anonymous, 2019-07-17 23:47:20
  @Override
    public ResponseEntity<AuditLogPagedResults> getLogEntries(
    		@ApiParam(value = "Environment ID", required = true) @PathVariable("environmentId") Long environmentId,
	   	  	@ApiParam(value = "ID of the queue manager to browse") @Valid @RequestParam(value = "queueManager", required = false) Long queueManager,
	   	  	@ApiParam(value = "ID of the queue to browse") @Valid @RequestParam(value = "queue", required = false) Long queue,
	   	  	@ApiParam(value = "Browse for messages newer than a date/time") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) @RequestParam(value = "from", required = false) @Valid LocalDateTime from,
	   	  	@ApiParam(value = "Correlation ID to browse for") @Valid @RequestParam(value = "correlationId", required = false) String correlationId,
	   	  	@ApiParam(value = "Page of results to return") @Valid @RequestParam(value = "page", required = false) Integer page,
            @ApiParam(value = "Number of results in a page") @Valid @RequestParam(value = "pagesize", required = false) Integer pagesize) {
        Pageable pageable = PageRequest.of(page != null ? page : 0, pagesize != null ? pagesize : defaultPageSize, new Sort(Sort.Direction.DESC, Audit.MSG_PUT_TIMESTAMP_FIELD));
        Page<Audit> auditEntries = null;
        Timestamp msgPut = (from != null ? Timestamp.valueOf(from) : null);

        /*
         * Environemnt is always supplied.  If we have queue or queue manager, assume that's what the caller wants.
         * We may also have some optional parameters - put timestamp, correlation ID
         */
        if (queue != null) {
        	//retrieve queue name
        	String queueName = null;
        	Optional<WMQQueue> queueEntity = wmqQueueRepository.findById(queue.intValue());
        	queueName = queueEntity.get().getQ_name();
        	
        	//see if we have timestamp or correlation ID
			if (msgPut != null) {
				if (correlationId != null) {
					auditEntries = auditRepository.findByQNameAndCorrelIdAndMsgPutTimestampGreaterThanEqual(queueName, msgPut, correlationId, pageable);
				} else {
					auditEntries = auditRepository.findByQNameAndMsgPutTimestampGreaterThanEqual(queueName, msgPut, pageable);
				}
			} else {
				if (correlationId != null) {
					auditEntries = auditRepository.findByQNameAndCorrelId(queueName, correlationId, pageable);
				} else {
					auditEntries = auditRepository.findByQName(queueName, pageable);
				}
			}
        } else if (queueManager != null) {
            List<Integer> managerIds = Arrays.asList(queueManager.intValue());
        	//see if we have timestamp or correlation ID
			if (msgPut != null) {
				if (correlationId != null) {
                    auditEntries = auditRepository.findByManagerIdsAndCorrelIdAndMsgPutTimestampGreaterThanEqual(managerIds, msgPut, correlationId, pageable);
				} else {
                    auditEntries = auditRepository.findByManagerIdsAndMsgPutTimestamp(managerIds, msgPut, pageable);
				}
			} else {
				if (correlationId != null) {
                    auditEntries = auditRepository.findByManagerIdsAndCorrelId(managerIds, correlationId, pageable);
				} else {
                    auditEntries = auditRepository.findByManagerIds(managerIds, pageable);
				}
			}
throw new java.lang.UnsupportedOperationException("Implementations does not exist");
        } else {
	        List<Integer> managerIds = findManagerIds(environmentId);
	
	        if(managerIds.isEmpty()) {
	            //No QueueManager so no possible log entries
	            return ResponseEntity.ok().body(null);
	        }
	
	        if (msgPut != null) {
	            auditEntries = auditRepository.findByManagerIdsAndMsgPutTimestamp(managerIds, msgPut, pageable);
	        } else {
	            auditEntries = auditRepository.findByManagerIds(managerIds, pageable);
	        }
        }
        
        
        /*
        if (correlationId != null && msgPut != null) {
            auditEntries = auditRepository.findByCorrelIdAndMsgPutTimestampGreaterThanEqual(correlationId, msgPut, pageable);
        } else if (queueName != null && msgPut != null) {
            auditEntries = auditRepository.findByQNameAndMsgPutTimestampGreaterThanEqual(queueName, msgPut, pageable);
        } else if (queueName != null) {
            auditEntries = auditRepository.findByQName(queueName, pageable);
        } else if (correlationId != null) {
            auditEntries = auditRepository.findByCorrelId(correlationId, pageable);
        } else {
            List<Integer> managerIds = findManagerIds(environmentId);

            if(managerIds.isEmpty()) {
                //No QueueManager so no possible log entries
                return ResponseEntity.ok().body(null);
            }

            if (msgPut != null) {
                auditEntries = auditRepository.findByManagerIdsAndMsgPutTimestamp(managerIds, msgPut, pageable);
            } else {
                auditEntries = auditRepository.findByManagerIds(managerIds, pageable);
            }
        }
*/
        if (auditEntries != null) {
	        AuditLogPagedResults results = new AuditLogPagedResults();
	        results.setPageNumber(pageable.getPageNumber());
	        results.setPageSize(pageable.getPageSize());
	        results.setPages(auditEntries.getTotalPages());
	        results.setResults(mapperFacade.mapAsList(auditEntries.getContent(), AuditLogEntry.class));
	        return ResponseEntity.ok().body(results);
        } else {
        	throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Not found");
        }
    }

    
    /* (non-Javadoc)
	 * @see com.arcelormittal.springTemplate.web.MessagesApi#getLogEntry(java.lang.Long, java.lang.Long)
	 */
	@Override
	public ResponseEntity<AuditLogEntry> getLogEntry(Long environmentId, Long logId) {
		Optional<Audit> entry = auditRepository.findById(logId);
		if (entry.isPresent()) {
			return ResponseEntity.ok().body(mapperFacade.map(entry.get(), AuditLogEntry.class));
		} else {
			throw new ResponseStatusException(HttpStatus.NOT_FOUND, "Not found");
		}
	}

End pint to do a dynamic query in JPA.

By Anonymous, 2019-10-02 23:31:22
double zuida(std::vector<double> vec) {
	std::vector<double> temp;
	for(int i = 0; i < vec.size(); i++)
		temp.push_back(vec[i]);
notend:
	if(temp.size() > 0) {
		if(temp.size() < 2) {
			double tmp = *(&temp[0]);
			return tmp;
		}
		else if(temp.size() >= 2) {
			double mini = temp[0];
			int ind = 0;
			for(int i = 0; i < temp.size(); i++)
				if(temp[i] < mini) {
					mini = temp[i];
					ind = i;
				}
			temp.erase(temp.begin() + ind);
			goto notend;
		}
	}
}

The beauty is that every case is the best (also worst) case!

By Anonymous, 2019-10-12 10:42:23
public static function getUser(){
    return \App\Models\User::all();
}
By mamadSiah, 2022-02-23 14:35:19
    if [ $product == "consul" ]
    then
       aws s3 cp s3://${path}/${product}/prem/${version}/${product}-enterprise_${version}+prem_linux_amd64.zip .
       unzip ${product}-enterprise_${version}+prem_linux_amd64.zip
       rm   ${product}-enterprise_${version}+prem_linux_amd64.zip
    else
       aws s3 cp s3://${path}/${product}/prem/${version}/${product}-enterprise_${version}+prem_linux_amd64.zip .
       unzip ${product}-enterprise_${version}+prem_linux_amd64.zip
       rm   ${product}-enterprise_${version}+prem_linux_amd64.zip
    fi 
By Anonymous, 2019-10-22 15:10:43
String.prototype.capitalize=function(){return this.charAt(0).toUpperCase()+this.slice(1);};
String.prototype.followCase=function(b){
	if(b==b.toUpperCase()){return this.toUpperCase();}
	if(b==b.toLowerCase()){return this.toLowerCase();}
	if(b==b.capitalize()){return this.capitalize();}
	return this;
};
String.prototype.atRemoveAdd=function(index,n,string){
	return this.substring(0,index)+string+this.substring(index+n,this.length);
};
String.prototype.matchIndex=function(re){
	var a=[];
	while((match=re.exec(this))!==null){
		a.push({chars:match[0].length,index:match.index});
	}
	return a;
};
String.prototype.caseReplace=function(o,n){
	for(var s=this,a=this.matchIndex(o),shift=0,i=0;i<a.length;i++){
		var c=n.followCase(this.substring(a[i].index,a[i].index+a[i].chars));
		s=s.atRemoveAdd(a[i].index+shift,a[i].chars,c);
		shift+=c.length-a[i].chars;
	}
	return s;
};

My code from 2016 for the hall of shame where I realized today that caseReplace could just return this.replace(o,m=>n.followCase(m)) instead.

By Anonymous, 2017-12-19 03:55:58
    foreach ($desired_components as $name => $junk) {
      list($component_value, $component_comments) = self::unpackPair($desired_components[$name]);
      $desired_components[$name] = self::packPair(round($component_value, 2), $component_comments);
    }
By Anonymous, 2018-01-10 09:01:18
if HOST == 'AdaLovelace' or HOST == 'vbu' or HOST == 'asus':
    urlpatterns += patterns('',
        (r'^site_media/(?P<path>.*)$', 'django.views.static.serve', {'document_root': MEDIA_ROOT}),
    )
By Kadet, 2016-02-14 16:37:32
class FileReader extends EventTarget(...READER_EVENTS) {
    // [...]
    readAsArrayBuffer() {
        throw new Error('FileReader.readAsArrayBuffer is not implemented');
    }
}

React Native's way of saying they don't support FileReader.readAsArrayBuffer()

By Aurovik, 2018-12-12 12:50:22
class ExampleClass {
    public void DoSomething()
    {
       if (this != null) {
           //omitted
       }
    }
    
    public void DoSomething2()
    {
       if (this != null) {
           //omitted
       }
    }
    
}

Explanation: This can't be null in C# virtual instance methods - I was so confused by the widespread use of this check that I asked this question at SO: https://stackoverflow.com/questions/31747718/can-this-be-null-in-c-sharp-virtual-methods-what-happens-with-the-rest-of-ins

By Michail Michailidis, 2017-12-13 14:54:58
#997 Java +17
final int two_fifty_five_hex = 0xFF
final int two_fifty_five_dec = 255

One is in hex but the other is in decimal! Watch out, make sure you use the correct 255, not the other 255.

By Anonymous, 2020-04-28 14:52:27
        /// <summary>
        /// Builds the suffixs for the request sequence number
        /// </summary>
        /// <param name="i"></param>
        /// <returns></returns>
        public static string GetSequenceNumber(int i)
        {
            string strCount = string.Empty;
            string increase = string.Empty;
            int count;
            strCount = i.ToString();
            count = strCount.Length;
            //Add 0 infront of the index to make a 4 digit number
            if (count < 5)
            {
                for (int j = 0; j < (4 - count); j++)
                {
                    increase = increase + "0";
                }
                strCount = increase + strCount;
            }
            return strCount;
        }
By Anonymous, 2021-04-21 16:01:46
SELECT 
	tblPosts.idPost,
	tblPosts.postTitle, 
	tblPosts.postCode, 
	tblPostsStatus.scsTitle, 
	concat(code, '<br>', pTitle) AS pTitle, (CASE WHEN postResult = 1 THEN 'yes' ELSE 'no' END) AS postResult , 
	concat(date_format(postStartedDate, '%d.%m.%Y'), '<br>', date_format(postStartedDate, '%H:%i')) AS dateStart, 
	date_format(tblPosts.updated_at, '%d.%m.%Y %H:%i') AS dtUpdated, tblPerson.mobile, tblPerson.mail, tblPerson.isoLang, tblPostsReason.surname, 
	concat(coalesce(clientFName, ''), ' ', coalesce(clientName, '')) AS client, 
	concat(coalesce(concat(tblGender.gender, ' '), ''), coalesce(eFName, ''), ' ', coalesce(eName, '')) AS pers, 
	(CASE WHEN tblPosts.idCollab is NULLTHEN '' ELSE concat(coalesce(tblCol.cFName, ''), ' ', coalesce(tblCol.cName, '')) END) AS starter, 
	concat("<img src='img/status_", tblPosts.status, ".png' height='12px' border='1' />") AS displaystat,
	concat("<a href='index.php?arg=posts&id=", tblPosts.idPost, "&idAccess=", coalesce(tblAccess.idAccess, ''), "' title='Prepare Interface'><img src='../DG/styles/flat/images/edit.gif' style='height:14px; width:32px;' border='0'></a>") AS elink, 
	concat("<a href='email.php?frame=1&idPost=", tblPosts.idPost, "&source=PERS&idSrc=", tblPerson.idPerson, "&lang=", tblPerson.isoLang, "&from=", ";;SENDER", "&to=", tblPerson.persMail, "&idTperslate=CLI_diff_joindre_can,PERS_demande_contact,PERS_demande_CV&title=", replace(replace(replace(coalesce(pTitle, ''), "'", ";;APO"), "(", ";;PLT"), ")", ";;PGT"), "' title='", concat(coalesce(persName, ''), ' ', coalesce(persFname, '')), "' class='fancybox fancybox.iframe'><img src='img/email.png' height='12px' border='1' title='Messages' ></a>") AS mailink, 
	concat("<a href='post_email.php?frame=1&op=resend&idPosts=", tblPosts.idPost, "&idPerson=", tblPerson.idPerson, "&lang=", tblPerson.isoLang, "&idAccess=", coalesce(tblAccess.idAccess, ''), "&title=", replace(replace(replace(coalesce(pTitle, ''), "'", ";;APO"), "(", ";;PLT"), ")", ";;PGT"), "' title='", concat(coalesce(perName, ''), ' ', coalesce(perFName, '')), "' class='fancybox fancybox.iframe'><img src='img/emailNew.png' height='12px' border=1 title='New Posts' ></a>") AS newlink, 
	concat("<a href='comment.php?idPosts=", tblPosts.idPost, "&idPostsElem=-1&idClient=", tblPosts.idClient, "&frame=1&title=", replace(replace(replace(pTitle, "'", ";;APO"), "(", ";;PLT"), ")", ";;PGT"), "' title='", concat(coalesce(persName, ''), ' ', coalesce(persFName, '')), "' class='fancyboxstepreload fancybox.iframe'><div id='divBadgeComm", tblPosts.idPost, "' class='divBadge'>", (select count(*) from tblComment where idPosts=tblPosts.idPost and idElem is NULLand visibleClient=1), "</div><img src='img/comment.png' height='12px' border='1' title='Comments' /></a>") AS comments, 
	concat("<a href='docs.php?frame=1&idPosts=", tblPosts.idPost, "&title=", replace(replace(replace(pTitle, "'", ";;APO"), "(", ";;PLT"), ")", ";;PGT"), "' title='", concat(coalesce(persName, ''), ' ', coalesce(persFname, '')), "' class='fancyboxstep fancybox.iframe'><div id='divBadgeDocument", tblPosts.idPost, "' class='divBadge'>", (select count(*) from tblDocs where idPosts=tblPosts.idPost and docFileName <> '' and status=1), "</div><img src='img/dir.png' height='12px' border='1' title='Docs' /></a>") AS documents, 
FROM tblPosts
-- lots of LEFT JOIN
WHERE 1;

Maybe he didn't know how to do it in PHP ?

By Not a real programmer, 2018-07-10 11:03:17