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Empty arrays seem to equal true and false at the same time
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276
You're testing different things here.
if (arr) called on object (Array is instance of Object...
What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]
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edited Jan 27 '19 at 0:16
answered Sep 29 '12 at 2:22
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How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
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172
Try this:
$str = preg_replace_callback('/\\\\u([0-9a-fA-F]{4})/', function ($match) {
retur...
Timeout a command in bash without unnecessary delay
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ASP.NET Web API OperationCanceledException when browser cancels the request
...oads a page, it makes one or more ajax requests, which hit ASP.NET Web API 2 controllers. If the user navigates to another page, before these ajax requests complete, the requests are canceled by the browser. Our ELMAH HttpModule then logs two errors for each canceled request:
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Solution to INSTALL_FAILED_INSUFFICIENT_STORAGE error on Android [closed]
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Why am I getting a “401 Unauthorized” error in Maven?
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How to tell which version of a gem a rails app is using
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In Rails 3 and Rails 4, use bundle show
In Rails 2, rake gems will print out what gems, dependencies, and versions are installed, frozen, etc.
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AsyncProcedures异步过程扩展 · App Inventor 2 中文网
... 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 搜索 ...
Use dynamic variable names in JavaScript
...vation Object).
So if you create variables like this:
var a = 1,
b = 2,
c = 3;
In the Global scope (= NO function context), you implicitly write those variables into the Global object (= window in a browser).
Those can get accessed by using the "dot" or "bracket" notation:
var name = w...