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Is short-circuiting logical operators mandated? And evaluation order?
... function, at least one of the arguments needs to be a class (or struct or union) or an enum, or a reference to one of those. Being POD means that you can use memcpy on it.
– Derek Ledbetter
Mar 12 '09 at 21:45
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Tar a directory, but don't store full absolute paths in the archive
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how about if you also want to select the files to backup based on a wildcard? -C /var/www/site1 *.dat doesn't work :(
– Andy Lorenz
Nov 5 '14 at 10:30
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What is Virtual DOM?
...nd what react does it look for the the reference in its object model tree, select the real node in the html and tinker with it. The sound is great virtual dom, but it's nothing fancy and overhype.
– syarul
Feb 15 '17 at 1:07
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Generate MD5 hash string with T-SQL
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Use HashBytes
SELECT HashBytes('MD5', 'email@dot.com')
That will give you 0xF53BD08920E5D25809DF2563EF9C52B6
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SELECT CONVERT(NVARCHAR(32),HashBytes('MD5', 'email@dot.com'),2)
That will give you F53BD08920E5D25809DF2563EF9C52B6
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App Inventor 2 DynamicComponents 拓展：动态创建AI2组件对象 · App Inventor 2 中文网
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通过 JSON 字符串创建组件。请参阅Wiki，了解如何创建自己的模板。
从屏幕和组件列表中移除指定 ID 的组件。由于该组件已被删除，因此你可以再次使用该 ID...
How should one use std::optional?
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@Rapptz Line 256: union storage_t { unsigned char dummy_; T value_; ... } Line 289: struct optional_base { bool init_; storage_t<T> storage_; ... } How is that not "a T and a bool"? I completely agree the implementation is very tricky an...
What's the $unwind operator in MongoDB?
...oDB employs an "NoSQL" approach to data storage, so perish the thoughts of selects, joins, etc. from your mind. The way that it stores your data is in the form of documents and collections, which allows for a dynamic means of adding and obtaining the data from your storage locations.
That being sai...
Plyr视频播放器拓展：全屏、画质、字幕、缩略图、强大的用户界面 · App In...
...seconds)
跳转到特定毫秒数
Stop停止()
停止媒体播放并重置到初始位置
使用案例
播放网络视频并提供基础控制
在屏幕中添加一个用于承载播放器的布局和 Plyr 扩展，在屏幕初始化时调用 ...
How can I get dict from sqlite query?
...":memory:")
con.row_factory = dict_factory
cur = con.cursor()
cur.execute("select 1 as a")
print cur.fetchone()["a"]
or follow the advice that's given right after this example in the docs:
If returning a tuple doesn’t suffice
and you want name-based access to
columns, you should consider...
What's the best CRLF (carriage return, line feed) handling strategy with Git?
...t diff=html
*.css text
*.js text
*.sql text
*.csproj text merge=union
*.sln text merge=union eol=crlf
*.docx diff=astextplain
*.DOCX diff=astextplain
# absolute paths are ok, as are globs
/**/postinst* text eol=lf
# paths that don't start with / are treated relative to the .gita...