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Getting a timestamp for today at midnight?
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How to count the number of set bits in a 32-bit integer?
...nstant both times instead of 0xccc... before shifting is a good thing when compiling for ISAs that need to construct 32-bit constants in registers separately.
The final shift-and-add step of (i + (i >> 4)) & 0x0F0F0F0F widens to 4x 8-bit accumulators. It masks after adding instead of befo...
Is there an easy way to strike through text in an app widget?
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189
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How can I debug javascript on Android?
...or Desktop Developer Tools on Android. Check out https://developers.google.com/chrome-developer-tools/docs/remote-debugging for more information.
Update: JavaScript Console
You can also navigate to about:debug in the URL bar to activate the debug menu and the JavaScript error console with recent...
Measuring the distance between two coordinates in PHP
...ized function from codexworld.com:
/**
* Optimized algorithm from http://www.codexworld.com
*
* @param float $latitudeFrom
* @param float $longitudeFrom
* @param float $latitudeTo
* @param float $longitudeTo
*
* @return float [km]
*/
function codexworldGetDistanceOpt($latitudeFrom, $longit...
for each loop in Objective-C for accessing NSMutable dictionary
...does it not really matter.
– FlowUI. SimpleUITesting.com
Apr 2 '12 at 4:23
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Debug Error \"pure virtual function call\" 原因解析 - 更多技术 - 清泛...
...，看看有没有在构造析构函数中调用。以下来自：http: www.kuqin.c...结论：一般在构造、析构函数中调用虚函数就可能出这个错误，检查纯虚函数，看看有没有在构造析构函数中调用。
以下来自：http://www.kuqin.com/language/2010030...
ruby on rails f.select options with custom attributes
...ading the rails source. https://web.archive.org/web/20130128223827/http://www.pogodan.com/blog/2011/02/24/custom-html-attributes-in-options-for-select
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What does Class mean in Java?
...flection (the feature of Java language used to introspect itself): https://www.oracle.com/technetwork/articles/java/javareflection-1536171.html
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Is it correct to use DIV inside FORM?
...strict mode:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<META http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Test</title>
</head>
<body>
<form id="test" action="te...