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Why and How to avoid Event Handler memory leaks?
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answered Dec 24 '10 at 14:32
Jon SkeetJon Skeet
1211k772772 gold badges85588558 silver badges88218821 bronze badges
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to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...frame rate on the oldest hardware your app will support. If you can't get 60fps, drop down to CoreGraphics. When you've done this for a while, you get a sense for when UIKit is probably a waste of time.
So, why is Core Graphics fast?
CoreGraphics isn't really fast. If it's being used all the time,...
Utilizing multi core for tar+gzip/bzip compression/decompression
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Mark AdlerMark Adler
70.5k99 gold badges8888 silver badges127127 bronze badges
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Why does git perform fast-forward merges by default?
...itched to branch 'develop'
$ git merge --no-ff myfeature
Updating ea1b82a..05e9557
(Summary of changes)
$ git branch -d myfeature
Deleted branch myfeature (was 05e9557).
$ git push origin develop
The --no-ff flag causes the merge to always create a new commit object, even if the merge could be ...
How to open a local disk file with JavaScript?
...g FileReader:
function readSingleFile(e) {
var file = e.target.files[0];
if (!file) {
return;
}
var reader = new FileReader();
reader.onload = function(e) {
var contents = e.target.result;
displayContents(contents);
};
reader.readAsText(file);
}
function displayContent...
How to check if a string contains text from an array of substrings in JavaScript?
...but some is:
if (substrings.some(function(v) { return str.indexOf(v) >= 0; })) {
// There's at least one
}
Live Example:
var substrings = ["one", "two", "three"];
var str;
// Setup
console.log("Substrings: " + substrings.join(","));
// Try it where we expect a match
str = "this has one...
Trim last character from a string
...
303
"Hello! world!".TrimEnd('!');
read more
EDIT:
What I've noticed in this type of questions ...
How to fix corrupted git repository?
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+200
As an alternative to CodeGnome's last option, if only the local repo is corrupted, and you know the url to the remote, you can use th...
Redis消息通知系统的实现 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...
<?php
class RedisClient extends Redis
{
const POSITION_FIRST = 0;
const POSITION_LAST = -1;
public function zPop($zset)
{
return $this->zsetPop($zset, self::POSITION_FIRST);
}
public function zRevPop($zset)
{
return $this->zsetPop($zset...
Android Webview - Completely Clear the Cache
...arCacheFolder(final File dir, final int numDays) {
int deletedFiles = 0;
if (dir!= null && dir.isDirectory()) {
try {
for (File child:dir.listFiles()) {
//first delete subdirectories recursively
if (child.isDirectory()) {
...