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What happens to a detached thread when main() exits?

...), and that's well-defined, as long as it touches neither (automatic|thread_local) variables of other threads nor static objects. This appears to be allowed to allow thread managers as static objects (note in [basic.start.term]/4 says as much, thanks to @dyp for the pointer). Problems arise when t...
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Counter increment in Bash loop not working

...COUNTER=$((COUNTER + 1)) it worked. GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu) – Steven Lu Nov 29 '13 at 1:13 ...
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php 获取操作系统、浏览器版本信息(持续更新) - 更多技术 - 清泛网 - 专...

... * 获取os信息 * * @return os */ function getOS() { $agent = $_SERVER['HTTP_USER_AGENT']; $os = false; if (eregi('win', $agent) && strpos($agent, '95')){ $os = 'Windows 95'; } else if (eregi('win 9x', $agent) && strpos($agent, '4.90')){ $os = 'Windows ME'; } else if (...
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Will Emacs make me a better programmer? [closed]

...s in pieces, in other postings of his. http://steve-yegge.blogspot.com/2008_04_01_archive.html is probably the most comprehensive, but the info is buried in there since it's on a tangent to the main subject. I guess to summarize: the programmers who are merely good or competent will pick up an IDE ...
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虚拟摇杆使用指导 · App Inventor 2 中文网

...摇杆),用悬浮窗: 把摇杆放进一个水平布局 水平布局_摇杆(设计器里可以把它设为不可见),悬浮窗的可拖动设为假, 否则拖摇杆时会把整个悬浮窗拖走: when Screen1.Initialize() { 悬浮窗1.Draggable = false 悬浮窗1.StartPosition =...
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MySQL: selecting rows where a column is null

...= NULL is always false). See Rule 3 https://en.wikipedia.org/wiki/Codd%27s_12_rules share | improve this answer | follow | ...
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How do I implement a callback in PHP?

...icMethod'); This is a safe way to use callable values in general: if (is_callable($cb2)) { // Autoloading will be invoked to load the class "ClassName" if it's not // yet defined, and PHP will check that the class has a method // "someStaticMethod". Note that is_callable() will NOT ve...
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Django migration strategy for renaming a model and relationship fields

...ration(migrations.Migration): dependencies = [ ('myapp', '0001_initial'), ] operations = [ migrations.RenameModel('Foo', 'Bar'), migrations.RenameField('AnotherModel', 'foo', 'bar'), migrations.RenameField('YetAnotherModel', 'foo', 'bar') ] You ma...
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Is there a wikipedia API just for retrieve content summary?

...ect to an array and then grab it like this: $extract = current((array)$json_query->query->pages)->extract – MarcGuay Mar 15 '16 at 21:57 ...
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How to hide UINavigationBar 1px bottom line

..., a custom background image must also be set with the setBackgroundImage(_:for:) method. If the default background image is used, then the default shadow image will be used regardless of the value of this property. So: let navigationBar = navigationController!.navigationBar navigationBar.se...