大约有 40,000 项符合查询结果(耗时:0.0794秒) [XML]

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What's the difference between “groups” and “captures” in .NET regular expressions?

...hat each Group object contains a collection of Captures representing all the intermediary matches by the group during the match, as well as the final text matched by the group. And a few pages later, this is his conclusion: After getting past the .NET documentation and actually ...
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How do I implement interfaces in python?

...interface, a module that is a part of the Zope Component Architecture, a really awesomely cool component framework. Here you don't subclass from the interfaces, but instead mark classes (or even instances) as implementing an interface. This can also be used to look up components from a component reg...
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What is the difference between related SQLite data-types like INT, INTEGER, SMALLINT and TINYINT?

When creating a table in SQLite3, I get confused when confronted with all the possible datatypes which imply similar contents, so could anyone tell me the difference between the following data-types? ...
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How exactly does the python any() function work?

...st of some items. If it contained [0, False, '', 0.0, [], {}, None] (which all have boolean values of False) then any(lst) would be False. If lst also contained any of the following [-1, True, "X", 0.00001] (all of which evaluate to True) then any(lst) would be True. In the code you posted, x > ...
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Nginx location priority

...th the "=" prefix that match the query exactly. If found, searching stops. All remaining directives with conventional strings. If this match used the "^~" prefix, searching stops. Regular expressions, in the order they are defined in the configuration file. If #3 yielded a match, that result is used...
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Why is git push gerrit HEAD:refs/for/master used instead of git push origin master

...o the staging area (in the diagram, "Pending Changes"). Gerrit doesn't actually have a branch called <BRANCH>; it lies to the git client. Internally, Gerrit has its own implementation for the Git and SSH stacks. This allows it to provide the "magical" refs/for/<BRANCH> refs. When ...
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In HTML5, is the localStorage object isolated per page/domain?

... separate (and they're both separate from http://example.com) as those are all different hosts. Similarly, http://example.com:80 and http://example.com:8080 and https://example.com are all different origins. There is no mechanism built into web storage that allows one origin to access the storage o...
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“Private” (implementation) class in Python

I am coding a small Python module composed of two parts: 7 Answers 7 ...
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String Concatenation using '+' operator

... code: string x = "hello"; string y = "there"; string z = "chaps"; string all = x + y + z; actually gets compiled as: string x = "hello"; string y = "there"; string z = "chaps"; string all = string.Concat(x, y, z); (Gah - intervening edit removed other bits accidentally.) The benefit of the C...
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Single Page Application: advantages and disadvantages [closed]

...pages. The number of pages user downloads during visit to my web site?? really how many mails some reads when he/she opens his/her mail account. I read >50 at one go. now the structure of the mails is almost the same. if you will use a server side rendering scheme the server would then render it...