#335 SQL +43
		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
import cv2
import numpy as np

cap = cv2.VideoCapture(0)

while (1):

    _, frame = cap.read()

    hsv = cv2.cvtColor(frame, cv2.COLOR_BGR2HSV)

    lower_green = np.array([40, 50, 50])
    upper_green = np.array([80, 102, 200])

    # Threshold the HSV image to get only green colors
    mask = cv2.inRange(hsv, lower_green, upper_green)

    total_pixels = mask.shape[0] * mask.shape[1]
    print "Number of pixels: %", total_pixels

    pixel_counter = 0
    x_counter = 0
    y_counter = 0
    for y in xrange(640):
        for x in xrange(480):
            pixel = mask[x, y]
            if pixel == 255:
                pixel_counter += 1
                x_counter += x
                y_counter += y
    x_center = x_counter / pixel_counter
    y_center = y_counter / pixel_counter
    print x_center, y_center

    cv2.line(frame, (x_center+15, y_center), (x_center+2, y_center), (235, 218, 100), 1)
    cv2.line(frame, (x_center-15, y_center), (x_center-2, y_center), (235, 218, 100), 1)
    cv2.line(frame, (x_center, y_center+15), (x_center, y_center+2), (235, 218, 100), 1)
    cv2.line(frame, (x_center, y_center-15), (x_center, y_center-2), (235, 218, 100), 1)

    cv2.circle(frame, (x_center, y_center), 4, (235, 218, 100), 2)

    cv2.imshow('frame', frame)

    k = cv2.waitKey(5) & 0xFF
    if k == 27:
        break

cv2.destroyAllWindows()

track the green color

By Vik.victory, 2017-06-23 19:11:14
try:
    raise
except RuntimeError:
    raise

try this in python3

By FranchuFranchu, 2019-03-14 23:10:03
public array<P extends Path<NotNul<T>>, Key extends string>(
  name: P,
  ...args: NotNul<PathValue<NotNul<T>, P>> extends Array<infer Item> ? ('id' extends keyof Item ? [keyname: Key] : [keyName?: Key]) : []
): NotNul<PathValue<NotNul<T>, P>> extends Array<infer Item>
  ? Key extends keyof Item
    ? never
    : Field<Array<Item & (Key extends keyof Item ? {} : string extends Key ? {} : { [P in Key]?: string })>>
  : never {
  return this.createField(name as any, this.name, args[0]) as any
}
By Anonymous, 2022-01-10 03:36:55
   // Test read access of memory
   try
   {
      c = ( (char*) pvMemory )[0];
      c = ( (char*) pvMemory )[iNLen - 1];
   }

   catch( ... ) {
      return -1;
   }
By Anonymous, 2022-10-19 16:28:05
if yearOfBirth > 2002 {
    fmt.Errorf("year of birth not allowed %d", yob)
    return
}
By V, 2021-06-15 14:53:58
[HttpPost]
[Route("validaPrepacks")]
public IHttpActionResult ValidaPrepacks(ValidaPrepackVO validacion)
{
    try
    {
        return Ok();
    }
    catch (Exception e)
    {
        return Ok(e.Message);
    }

}

A code that "validate" a pack in the backend

By Anonymous, 2019-09-17 21:48:29
public enum DataSize {
    BYTE,
    DOUBLE_BYTE,
    INT,
    LONG;
    
    public boolean isEqualTo(Object value) {
        if(value instanceof Byte && this.equals(BYTE)) {
            return true;
        } else if ((value instanceof Character || value instanceof Short) && this.equals(DOUBLE_BYTE)) {
            return true;
        } else if ((value instanceof Integer) && this.equals(INT)) {
            return true;
        } else if ((value instanceof Long) && this.equals(LONG)) {
            return true;
        }
        return false;
    }
}
By DevHONK, 2021-02-22 15:21:03
if (isLink($content[$i][$j])) {

					if (isImageLink($content[$i][$j])) {

						$image_src = create_image($content[$i][$j], "img");

						$cell = <<<HTML
							<td>
								<img {$image_src} {$img_style}></td></img>
							</td>
HTML;
					} else if (isNestedLink($content[$i][$j])) {

						$links = explode("!", $content[$i][$j]);

						$cell = <<<HTML
							<td><a style="color: {$cards_button_bg_color};" href="{$links[1]}" $open_links_in >{$links[0]}</a></td>
HTML;
					} else {
						
						//Checking if it's a link or a button

							if ($j == $table_button_column) {
														
							//Button HTML
								$table_button_text = explode("-", $content[0][$j])[0];

								$cell = <<<HTML
									<td><a {$open_links_in} href="{$content[$i][$j]}" style="background-color: {$cards_button_bg_color}; color: {$cards_button_text_color};" class="btn">{$table_button_text}</a></td>
HTML;
							} else {
							
							// Link HTML			
								$cell = <<<HTML
									<td><a style="color: {$cards_button_bg_color};" href="{$content[$i][$j]}" $open_links_in >{$content[0][$j]}</a></td>
HTML;
							}
					}
By PHPhillip, 2020-06-09 23:28:49
class PythonClass {
    protected boolean True = true;
    protected boolean False = false;
    protected Object None = null;
}

class MyClass extends PythonClass {
    String do_something(Object foo) {
        if (foo == False)
            return ""                                  ;
        
        
        else if (foo == None)
            return "!"                                 ;
            
        else if (foo == True)
            return "Yay!"                              ;
    }
}

Yikes

By imaginedev, 2021-04-03 02:44:52
let verificaAdmin_Role = (req, res, next) => {

    let usuario = req.usuario;

    if (usuario.role === 'ADMIN_ROLE') {
        next();
    } else {
        return res.status(409).json({
            ok: false,
            err: {
                message: 'El usuario no es administrador.'
            }
        })
    }

};

By rootweiller, 2020-06-18 18:30:41
public event EventHandler<Cles_graph_doivent_etre_redessines> les_graph_doivent_etre_redessines;
public void remove_event()
{
    if (this.les_graph_doivent_etre_redessines != null)
    {
        foreach (EventHandler<Cles_graph_doivent_etre_redessines> F_les_graph_doivent_etre_redessines in this.les_graph_doivent_etre_redessines.GetInvocationList())
        {
            this.les_graph_doivent_etre_redessines -= F_les_graph_doivent_etre_redessines;
        }
    }
}
By Anonymous, 2015-09-14 05:52:20
Native XML structure:

<?xml version="1.0" encoding="utf-8" ?>
<tree>
    <node name="root">
        <node name="TELEVISIONS">
            <node name="TUBE"/>
            <node name="LCD"/>
            <node name="PLASMA"/>
        </node>
        <node name="PORTABLE ELECTRONICS">
            <node name="MP3 PLAYERS">
                <node name="FLASH"/>
            </node>
            <node name="CD PLAYERS"/>
            <node name="2 WAY RADIOS"/>
        </node>
    </node>
</tree>

Flattened XML structure (example 1):

<tree>
  <node key="0">root</node>
  <node key="1" parent="0">TELEVISIONS</node>
  <node key="2" parent="1">TUBE</node>
  <node key="3" parent="1">LCD</node>
  <node key="4" parent="1">PLASMA</node>
  <node key="5" parent="0">PORTABLE ELECTRONICS</node>
  <node key="6" parent="5">MP3 PLAYERS</node>
  <node key="7" parent="6">FLASH</node>
  <node key="8" parent="5">CD PLAYERS</node>
  <node key="9" parent="5">2 WAY RADIOS</node>
</tree>

Flattened XML structure (example 2):

<tree>
    <node>
        <name>root</name>
        <depth>0</depth>
    </node>
    <node>
        <name>TELEVISIONS</name>
        <depth>1</depth>
    </node>
    <node>
        <name>TUBE</name>
        <depth>2</depth>
    </node>
    <node>
        <name>LCD</name>
        <depth>2</depth>
    </node>
    <node>
        <name>PLASMA</name>
        <depth>2</depth>
    </node>
    <node>
        <name>PORTABLE ELECTRONICS</name>
        <depth>1</depth>
    </node>
    <node>
        <name>MP3 PLAYERS</name>
        <depth>2</depth>
    </node>
    <node>
        <name>FLASH</name>
        <depth>3</depth>
    </node>
    <node>
        <name>CD PLAYERS</name>
        <depth>2</depth>
    </node>
    <node>
        <name>2 WAY RADIOS</name>
        <depth>2</depth>
    </node>
</tree>
By Anonymous, 2015-11-19 12:32:25
void destroy_phone(T9obj* ptr_T9Obj){
    free(ptr_T9Obj);
}

Such thoughtful name!

By farhanhubble, 2019-05-30 08:57:39
scrollToEl($el.parent().parent().parent());

Someones idea of how to select an element to scroll to.... Please no.

By Anonymous, 2019-09-27 15:20:17