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
isCreatedUser : !this.isEdit ? true : falseVue.js project, someone wanted to verify if the user was being edited or created...
if(userEndDate.getTime() != null
&& userEndDate.getTime() > today.getTime()
&& endDateFromRequest != null ? endDateFromRequest.getTime() !== userEndDate.getTime() : true){
//some code
}for code lovers :D
const handleBoolean = value => {
switch (value) {
case "true":
return true;
case true:
return "true";
case "false":
return false;
case false:
return "false"
default:
return null;
}
}div.body:first-child:nth-last-child(n+12),
div.body:first-child:nth-last-child(n+12) ~ div.body {
padding: 3px 5px 2px !important;
div.rect {
top: 6px !important;
}
div.legend-action {
top: 3px !important;
}
}
$MaxSizeGB = [math]::Round($MaxSize/1024/1024/1024,2)
Write-Output " the maximum size is $MaxSizeGB GB"At least [math] is used. So close, and yet so far...
<?php
// This code supposed to find adjacent items of a specific one
// $list is an array of ids
// $itemToSearch is an id that might be in the $list
foreach ($list as $item) {
next($list);
if ($item == $itemToSearch) {
break;
}
$previousItem = $item;
}
$nextItem = current($list);The $list variable is a list of ids, e.g [1, 2, 3, 4, 5] The $itemToSearch is an id that might be in $list
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
var token = new CancellationTokenSource().Token;
Task.Factory.StartNew (() => {
while (!token.IsCancellationRequested) {
try {
if (/*Condition*/)
this.Invoke(new Action(() => label.Text = " =)"));
else
this.Invoke(new Action(() => label.Text = " =("));
Thread.Sleep(10);
}
catch (Exception) {
throw;
}
finally {
throw new Exception();
}
}
}) ;
}
}My collegue's way of using multithreading features (and exceptions handling) :)
/**
* 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
/**
* 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
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.
elsif ( $att =~ m/!!ARRAY!!/ ) { # Updated to allow us to get data from an Array -
&Debug("get_value_from_hash:: parsing the ARRAY attribute - $att");
my ( $key1, $key2, $key3, $key4, $key5, $key6 ) = split( /\./, $att );
#&Debug("get_value_from_hash:: key1=$key1, key2=$key2, key3=$key3, key4=$key4, key5=$key5");
if ( defined $key6 ) {
if ( $key5 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1}->{$key2}->{$key3}->{$key4} } ) { $value = $item->{$key6}; }
}
elsif ( $key4 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1}->{$key2}->{$key3} } ) { $value = $item->{$key5}->{$key6}; }
}
elsif ( $key3 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1}->{$key2} } ) { $value = $item->{$key4}->{$key5}->{$key6}; }
}
elsif ( $key2 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1} } ) { $value = $item->{$key3}->{$key4}->{$key5}->{$key6}; }
}
elsif ( $key1 =~ m/!!ARRAY!!/ ) {
for my $item ( @{$hash} ) { $value = $item->{$key2}->{$key3}->{$key4}->{$key5}->{$key6}; }
}
}
elsif ( defined $key5 ) {
if ( $key4 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1}->{$key2}->{$key3} } ) { $value = $item->{$key5}; }
}
elsif ( $key3 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1}->{$key2} } ) { $value = $item->{$key4}->{$key5}; }
}
elsif ( $key2 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1} } ) { $value = $item->{$key3}->{$key4}->{$key5}; }
}
elsif ( $key1 =~ m/!!ARRAY!!/ ) {
for my $item ( @{$hash} ) { $value = $item->{$key1}->{$key3}->{$key4}->{$key5}; }
}
}
elsif ( defined $key4 ) {
if ( $key3 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1}->{$key2} } ) { $value = $item->{$key4}; }
}
elsif ( $key2 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1} } ) { $value = $item->{$key3}->{$key4}; }
}
elsif ( $key1 =~ m/!!ARRAY!!/ ) {
for my $item ( @{$hash} ) { $value = $item->{$key1}->{$key3}->{$key4}; }
}
}
elsif ( defined $key3 ) {
if ( $key2 =~ m/!!ARRAY!!/ ) {
for my $item ( @{ $hash->{$key1} } ) { $value = $item->{$key3}; }
}
elsif ( $key1 =~ m/!!ARRAY!!/ ) {
for my $item ( @{$hash} ) { $value = $item->{$key3}; }
}
}
elsif ( defined $key2 ) {
if ( $key1 =~ m/!!ARRAY!!/ ) {
for my $item ( @{$hash} ) { $value = $item->{$key2}; }
}
}
}
elsif ( $att =~ m/!!HITS\[\d+\]!!/ ) {
&Debug("get_value_from_hash:: parsing the HITS attribute - $att");
my $id = $att;
$id =~ s/!!HITS\[(\d+)\]!!.*/$1/;
$att =~ s/!!HITS\[\d+\]!!\.//;
&Debug("get_value_from_hash:: parsing the attribute - $att");
my ( $key1, $key2, $key3, $key4, $key5, $key6 ) = split( /\./, $att );
#&Debug("get_value_from_hash:: id=$id, key1=$key1, key2=$key2, key3=$key3, key4=$key4, key5=$key5");
if ( defined $key6 ) {
$value = $$hash{hits}{hits}[$id]{$key1}{$key2}{$key3}{$key4}{$key5}{$key6};
}
elsif ( defined $key5 ) {
$value = $$hash{hits}{hits}[$id]{$key1}{$key2}{$key3}{$key4}{$key5};
}
elsif ( defined $key4 ) {
$value = $$hash{hits}{hits}[$id]{$key1}{$key2}{$key3}{$key4};
}
elsif ( defined $key3 ) {
$value = $$hash{hits}{hits}[$id]{$key1}{$key2}{$key3};
}
elsif ( defined $key2 ) {
$value = $$hash{hits}{hits}[$id]{$key1}{$key2};
}
}
elsif ( $att =~ m/!!DELIMITER!!.+!!/ ) {
&Debug("get_value_from_hash:: parsing the DELIMITER attribute - $att");
my $delimiter = $att;
$delimiter =~ s/!!DELIMITER!!(.*)!!.*/$1/;
$att =~ s/!!DELIMITER!!.+!!//;
&Debug("get_value_from_hash:: parsing the attribute - $att");
my ( $key1, $key2, $key3, $key4, $key5, $key6 ) = split( $delimiter, $att );
# &Debug("get_value_from_hash:: key1=$key1, key2=$key2, key3=$key3, key4=$key4, key5=$key5, key6=$key6");
if ( defined $key6 ) {
$value = $$hash{$key1}{$key2}{$key3}{$key4}{$key5}{$key6};
}
elsif ( defined $key5 ) {
$value = $$hash{$key1}{$key2}{$key3}{$key4}{$key5};
}
elsif ( defined $key4 ) {
$value = $$hash{$key1}{$key2}{$key3}{$key4};
}
elsif ( defined $key3 ) {
$value = $$hash{$key1}{$key2}{$key3};
}
elsif ( defined $key2 ) {
$value = $$hash{$key1}{$key2};
}
}
else {
&Debug("get_value_from_hash:: parsing the attribute - $att");
my ( $key1, $key2, $key3, $key4, $key5, $key6 ) = split( /\./, $att );
#&Debug("get_value_from_hash:: key1=$key1, key2=$key2, key3=$key3, key4=$key4, key5=$key5");
if ( defined $key6 ) {
$value = $$hash{$key1}{$key2}{$key3}{$key4}{$key5}{$key6};
}
elsif ( defined $key5 ) {
$value = $$hash{$key1}{$key2}{$key3}{$key4}{$key5};
}
elsif ( defined $key4 ) {
$value = $$hash{$key1}{$key2}{$key3}{$key4};
}
elsif ( defined $key3 ) {
$value = $$hash{$key1}{$key2}{$key3};
}
elsif ( defined $key2 ) {
$value = $$hash{$key1}{$key2};
}
}When you try to debug, why value is not filled, and find this...
latest_tag = "0.0.0"
for tag in tags:
if tag.name.startswith( 'v' ):
if tag.name.replace('v','').replace('.','') > latest_tag.replace('.',''):
latest_tag = tag.name.replace('v','')
<div class="scrollContent">
{foreach $animations as $index => $a}
{if $index > 2}
{if $a.filename == '9_1447691013_3726.png'}
{else}
{if $a.filename == '9_1423150010_6441.png'}
{else}
{if $a.filename == '9_1423149959_5909.png'}
{else}
{if $a.filename == '9_1423149908_5874.png'}
{else}
{if $a.filename == '9_1528213223_6374.jpg'}
{else}
{if $a.filename == '9_1527670984_3732.jpg'}
{else}
<div class="spotlightFrame frame{$index+1} contains1" data-index="{$index}">
{if $a.link}<a href="{$a.link}">{/if}
<img src="/upload/{$a.filename}" alt="{$a.title}" />
{if $a.link}</a>{/if}
</div>
{/if}
{/if}
{/if}
{/if}
{/if}
{/if}
{/if}
{/foreach}
</div>Handovers are great.
public void sleep(long duration) {
long start = System.currentTimeMillis();
while(true) {
if (System.currentTimeMillis() - start >= duration)
break;
}
}