大约有 47,000 项符合查询结果(耗时:0.0520秒) [XML]

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Why does “_” (underscore) match “-” (hyphen)?

...you are in a pattern context. e.g. inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it strange though that you are not in a p...
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Why are unnamed namespaces used and what are their benefits?

...ng directive already took place. This means you can have free functions called (for example) help that can exist in multiple translation units, and they won't clash at link time. The effect is almost identical to using the static keyword used in C which you can put in in the declaration of identif...
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Python loop that also accesses previous and next values

... The edited version of this is still not logically sound: At the end of the loop obj and next_ will be the same object for the last iteration, which may have unintended side effects. – TemporalWolf Dec 5 '17 at 22:01 ...
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Retrieve the position (X,Y) of an HTML element relative to the browser window

...supported this since as long as you are likely to care about and it was finally standardized in CSSOM Views. All other browsers adopted it a long time ago. Some browsers also return height and width properties, though this is non-standard. If you're worried about older browser compatibility, che...
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Request is not available in this context

...on here: stackoverflow.com/questions/1790457/… – jball Mar 25 '10 at 17:55 6 Thanks. I had seen...
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How exactly does a generator comprehension work?

... generator expression is like a list comprehension, but instead of finding all the items you're interested and packing them into list, it waits, and yields each item out of the expression, one by one. >>> my_list = [1, 3, 5, 9, 2, 6] >>> filtered_list = [item for item in my_list i...
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Why does calling a function in the Node.js REPL with )( work?

Why is it possible to call function in JavaScript like this, tested with node.js: 3 Answers ...
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Using sections in Editor/Display templates

I want to keep all of my JavaScript code in one section; just before the closing body tag in my master layout page and just wondering the best to go about it, MVC style. ...
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How do I get NuGet to install/update all the packages in the packages.config?

...e are packages.config file for each project. How do I get NuGet to install/update all the packages needed? Does this need to be done via command line for each project? ...
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Where is a complete example of logging.config.dictConfig?

... All those concise, beautiful YAML snippets in the python logging.config docs just can't be read directly. Bummer. – JimB May 17 '18 at 18:19 ...