Path path = FileSystems.getDefault().getPath("../../../../../../../../../../EmailResults.csv");
                Files.deleteIfExists(path);
By Anonymous, 2021-11-12 20:18:57
    public function getProfilePicture(Company $company, $id, $url = null) {
        // @TODO: Figure out how to do this.
        return null;
    }
By Anonymous, 2019-04-12 15:16:30
class JavaScriptParser(BaseParser):
    ... # some (exactly four) (useful?) methods
    get_references_of_tag = get_forms = BaseParser._return_empty_list
    get_comments = BaseParser._return_empty_list
    get_meta_redir = get_meta_tags = get_emails = BaseParser._return_empty_list

Developer if forced (by himself probably) to overwrite all methods to prevent raise NotImplementedError xD

By BetterNot, 2020-07-20 15:08:30
# Weird list cleanup
product = "{0}".format(list(product))
product = re.sub(r"\), \(+", "], [", product)
product = re.sub(r"\(+", "[", product)
product = product.replace(")]", "]]").replace(")", "")
product = ast.literal_eval(product)

I don't know why I get this strange fomat for this array of objects... Ok let's do it fast: 1 - Convert array in string 2 - Clean up string 3 - Convert string in array

By Anonymous, 2018-09-05 23:51:16
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
maybeSomething match {
  case Some(x) => true
  case None => false
}

maybeSomething.getOrElse(false) Short code and readable

By Majid Hosseini, 2017-12-16 07:03:07
$MaxSizeGB = [math]::Round($MaxSize/1024/1024/1024,2)
Write-Output "    the maximum size is $MaxSizeGB GB"

At least [math] is used. So close, and yet so far...

By Anonymous, 2020-04-03 20:59:34
/**
 * Stringify a JSON object
 * @param {*} value JSON value to stringify
 * @returns {string} stringify JSON
 */
function stringify(value) {
    var result = {};
    try {
        result = JSON.stringify(value);
    } catch (e) {
        Logger.error('Error while trying to stringify ' + e);
        result = JSON.stringify(result);
    }
    return result;
}

Stringify a JSON object

By Ihor Did, 2023-04-12 19:36:08


public static MyClass {
    private static volatile ProcessManager singleton = null;
    
    public static ProcessManager getInstance() throws Exception {
        if (singleton == null) {
            synchronized (MyClass.class) {
                if (singleton == null) {
                    singleton = new ProcessManager();
                }
            }
        }
        return singleton;
    }
}

The double-checking was invented prior to Java5.

The purpose is if the field isn't null, you don't have to synchronize. But since the java memory model specification was cleaned up and Synchronize/Volatile were given much better specification and semantics it is totally useless boilerplate that you should only write if you have to support Java4. There is a Google Tech Talk that covers this.

By cody, 2017-12-12 08:02:01
public void sleep(long duration) {
    long start = System.currentTimeMillis();
    while(true) {
        if (System.currentTimeMillis() - start >= duration)
            break;
    }
}
By imaN NeO, 2018-10-28 09:35:15
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 19:10:32
                    //read country intformation and assign to variables
                    cName = InpList.get(0).replace(",", ".");
                    cCode = InpList.get(1).replace(",", ".");
                    cAlpha2 = InpList.get(2).replace(",", ".");
                    cAbreviation = InpList.get(3).replace(",", ".");
                    dYear = InpList.get(4).replace(",", ".");
                    dPoliticalCompatibility = InpList.get(5).replace(",", ".");
                    dRankPoliticalCompatibility = InpList.get(6).replace(",", ".");
                    dEconomicCompatibility = InpList.get(7).replace(",", ".");
                    dRankEconomicCompatibility = InpList.get(8).replace(",", ".");
                    dMilitaryCompatibility = InpList.get(9).replace(",", ".");
                    dRankMilitaryCompatibility = InpList.get(10).replace(",", ".");
                    dDemoScore = InpList.get(11).replace(",", ".");
                    dRankDemoScore = InpList.get(12).replace(",", ".");
                    dEnvironmentalCompatibility = InpList.get(13).replace(",", ".");
                    dRankEnvironmentalCompatibility = InpList.get(14).replace(",", ".");
                    dSumCompatibility = InpList.get(15).replace(",", ".");
                    dRankCompatibility = InpList.get(16).replace(",", ".");
                    dPoliticalUtility = InpList.get(17).replace(",", ".");
                    dRankPoliticalUtility = InpList.get(18).replace(",", ".");
                    dEconomicUtility = InpList.get(19).replace(",", ".");
                    dRankEconomicUtility = InpList.get(20).replace(",", ".");
                    dMilitaryUtility = InpList.get(21).replace(",", ".");
                    dRankMilitaryUtility = InpList.get(22).replace(",", ".");
                    dEnvironmentalUtility = InpList.get(23).replace(",", ".");
                    dRankEnvironmentalUtility = InpList.get(24).replace(",", ".");
                    dSumUtility = InpList.get(25).replace(",", ".");
                    dRankUtility = InpList.get(26).replace(",", ".");
                    dPoliticalScore = InpList.get(27).replace(",", ".");
                    dRankPoliticalScore = InpList.get(28).replace(",", ".");
                    dEconomicScore = InpList.get(29).replace(",", ".");
                    dRankEconomicScore = InpList.get(30).replace(",", ".");
                    dMilitaryScore = InpList.get(31).replace(",", ".");
                    dRankMilitaryScore = InpList.get(32).replace(",", ".");
                    dEnvironmentalScore = InpList.get(33).replace(",", ".");
                    dRankEnvironmentalScore = InpList.get(34).replace(",", ".");
                    dAggregate = InpList.get(35).replace(",", ".");
                    dRankAggregate = InpList.get(36).replace(",", ".");
By Anonymous, 2017-12-17 21:45:26
// IsFooBar being a boolean, we check if it's different from true and from false
if (x.IsFooBar != true && x.IsFooBar != false)
{
    return "error";
}

x.IsFooBar is juste a regular bool

By A senior developer, 2018-05-14 14:46:14
try {
    synchronized(this) {
        Object obj = null;

        if (obj.hashCode() == -1) {
            obj = new Object();
        }
    }
} catch (Throwable t) {
    throw t;
} finally {
    try {
        synchronized(this) {
            Object obj = null;

            if (obj.hashCode() == -1) {
                obj = new Object();
            }
        }
    } catch (Throwable t) {
        throw t;
    } finally {
        try {
            synchronized(this) {
                Object obj = null;

                if (obj.hashCode() == -1) {
                    obj = new Object();
                }
            }
        } catch (Throwable t) {
            throw t;
        } finally {
            System.exit(1);
        }
    }
}

Cool code

By Conclure, 2020-10-30 02:26:02
  /** 
   * Deserializes the contents of the incoming message buffer {@code b}. 
   * 
   * @return deserialised object
   * @throws UnsupportedEncodingException If the named charset is not supported
   */
  Object r() throws UnsupportedEncodingException{
    int i=0, n, t=b[j++];
    if(t<0)
      switch(t){
        case -1:
          return rb();
        case (-2):
          return rg();
        case -4:
          return b[j++];
        case -5:
          return rh();
        case -6:
          return ri();
        case -7:
          return rj();
        case -8:
          return re();
        case -9:
          return rf();
        case -10:
          return rc();
        case -11:
          return rs();
        case -12:
          return rp();
        case -13:
          return rm();
        case -14:
          return rd();
        case -15:
          return rz();
        case -16:
          return rn();
        case -17:
          return ru();
        case -18:
          return rv();
        case -19:
          return rt();
      }
    if(t>99){
      if(t==100){
        rs();
        return r();
      }
      if(t<104)
        return b[j++]==0&&t==101?null:"func";
      if(t>105)
        r();
      else
        for(n=ri();i<n;i++)
          r();
      return "func";
    }
    if(t==99)
      return new Dict(r(),r());
    j++;
    if(t==98)
      return new Flip((Dict)r());
    n=ri();
    switch(t){
      case 0:
        Object[] L=new Object[n];
        for(;i<n;i++)
          L[i]=r();
        return L;
      case 1:
        boolean[] B=new boolean[n];
        for(;i<n;i++)
          B[i]=rb();
        return B;
      case 2: {
        UUID[] G=new UUID[n];
        for(;i<n;i++)
          G[i]=rg();
        return G;
      }
      case 4:
        byte[] G=new byte[n];
        for(;i<n;i++)
          G[i]=b[j++];
        return G;
      case 5:
        short[] H=new short[n];
        for(;i<n;i++)
          H[i]=rh();
        return H;
      case 6:
        int[] I=new int[n];
        for(;i<n;i++)
          I[i]=ri();
        return I;
      case 7:
        long[] J=new long[n];
        for(;i<n;i++)
          J[i]=rj();
        return J;
      case 8:
        float[] E=new float[n];
        for(;i<n;i++)
          E[i]=re();
        return E;
      case 9:
        double[] F=new double[n];
        for(;i<n;i++)
          F[i]=rf();
        return F;
      case 10:
        char[] C=new String(b,j,n,encoding).toCharArray();
        j+=n;
        return C;
      case 11:
        String[] S=new String[n];
        for(;i<n;i++)
          S[i]=rs();
        return S;
      case 12:
        Timestamp[] P=new Timestamp[n];
        for(;i<n;i++)
          P[i]=rp();
        return P;
      case 13:
        Month[] M=new Month[n];
        for(;i<n;i++)
          M[i]=rm();
        return M;
      case 14:
        Date[] D=new Date[n];
        for(;i<n;i++)
          D[i]=rd();
        return D;
      case 15:
        java.util.Date[] Z=new java.util.Date[n];
        for(;i<n;i++)
          Z[i]=rz();
        return Z;
      case 16:
        Timespan[] N=new Timespan[n];
        for(;i<n;i++)
          N[i]=rn();
        return N;
      case 17:
        Minute[] U=new Minute[n];
        for(;i<n;i++)
          U[i]=ru();
        return U;
      case 18:
        Second[] V=new Second[n];
        for(;i<n;i++)
          V[i]=rv();
        return V;
      case 19:
        Time[] T=new Time[n];
        for(;i<n;i++)
          T[i]=rt();
        return T;
    }
    return null;
  }

Manually maintained open-source code on GitHub. Looks like decompiled from obfuscated binary, they just reformatted it, added some comments and now are making manual changes. Current version: https://github.com/KxSystems/javakdb/blob/master/src/kx/c.java Original version: https://github.com/KxSystems/javakdb/blob/c9afe6fa32d7d3e3cddabdc9bd43f0155a5d2a1b/src/kx/c.java

By KxSystems, 2017-12-13 17:19:57