大约有 40,000 项符合查询结果(耗时:0.0457秒) [XML]

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How to create NS_OPTIONS-style bitmask enumerations in Swift?

...tains(.secondOption) { print("multipleOptions has SecondOption") } let allOptions = MyOptions(rawValue: 7) if allOptions.contains(.thirdOption) { print("allOptions has ThirdOption") } Swift 2.0 In Swift 2.0, protocol extensions take care of most of the boilerplate for these, which are now...
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Python Empty Generator Function

... list(f()) [None] Why not just use iter(())? This question asks specifically about an empty generator function. For that reason, I take it to be a question about the internal consistency of Python's syntax, rather than a question about the best way to create an empty iterator in general. If ques...
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Phpcms v9 实现首页|列表页|内容页点击量调用的代码 - 更多技术 - 清泛网 -...

...:<span id="hits">< span>...<script language="JavaScript" src="{APP_PATH}api.p...1、内容页的点击量获取比较简单,一般默认模板中自带: <span id="hits"></span> ... <script language="JavaScript" src="{APP_PATH}api.php?op=count&id={$id}&modelid={$modelid}"></script></span...
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Hidden Features of MySQL

... Since you put up a bounty, I'll share my hard won secrets... In general, all the SQLs I tuned today required using sub-queries. Having come from Oracle database world, things I took for granted weren’t working the same with MySQL. And my reading on MySQL tuning makes me conclude that MySQL is be...
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How to play a notification sound on websites?

.../div&gt; Browser support &lt;audio&gt; (Modern browsers) &lt;embed&gt; (Fallback) Codes used MP3 for Chrome, Safari and Internet Explorer. OGG for Firefox and Opera. share | improve this answer...
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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?

...type (and resolve to true and false) if the compiler supports it. (specifically, C++) However, it would be better to check whether C++ is in use (via the __cplusplus macro) and actually use true and false. In a C compiler, this is equivalent to 0 and 1. (note that removing the parentheses will bre...
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C# “internal” access modifier when doing unit testing

... This should really be the accepted answer. I don't know about you guys, but when the tests are "too far" from the code they're testing I tend to get nervous. I'm all for avoiding to test anything marked as private, but too many private thi...
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Set select option 'selected', by value

... I had to manually call .val(x).change(); to trigger the select's onChange event, it seems setting val() doesn't fire it. – scipilot Jul 19 '15 at 5:48 ...
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How do I focus on one spec in jasmine.js?

... its a good tip, but currently it isn't in jasmine. this is allowed by test runners like karma. for more info read on: github.com/pivotal/jasmine/pull/309 – p1100i Aug 12 '14 at 9:08 ...
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What does if __name__ == “__main__”: do?

...ngs: it sets a few special variables like __name__, and then it executes all of the code found in the file. Let's see how this works and how it relates to your question about the __name__ checks we always see in Python scripts. Code Sample Let's use a slightly different code sample to explore ho...