大约有 23,000 项符合查询结果(耗时:0.0665秒) [XML]

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'setInterval' vs 'setTimeout' [duplicate]

... setInterval() setInterval is a time interval based code execution method that has the native ability to repeatedly run specified script when the interval is reached. It should not be nested into its callback function by the script author to make it loop, since it loops ...
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How do I force Postgres to use a particular index?

...g you're asking about the common "index hinting" feature found in many databases, PostgreSQL doesn't provide such a feature. This was a conscious decision made by the PostgreSQL team. A good overview of why and what you can do instead can be found here. The reasons are basically that it's a performa...
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Is the pImpl idiom really used in practice?

...ing compilation) is lost. Is a good paradigm for classic OOP (inheritance based) but not for generic programming (specialization based). share | improve this answer | follow...
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How to use the same C++ code for Android and iOS?

...lementation: #include <string.h> #include "Core.h" const char *CPP_BASE_STRING = "cpp says hello to %s"; const char *concatenateMyStringWithCppString(const char *myString) { char *concatenatedString = new char[strlen(CPP_BASE_STRING) + strlen(myString)]; sprintf(concatenatedString, ...
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Faye vs. Socket.IO (and Juggernaut)

... WebSocket dies. Please correct me if I've got any of this wrong - this is based on a cursory scan of the Socket.IO documentation. Faye is just pub/sub, it's just based on a slightly more complex protocol and has a lot of niceties built in: Server- and client-side extensions Wildcard pattern-matc...
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How can I get dictionary key as variable directly in Python (not by searching from value)?

... this are not turning up anything other than how to get a dictionary's key based on its value which I would prefer not to use as I simply want the text/name of the key and am worried that searching by value may end up returning 2 or more keys if the dictionary has a lot of entries... what I am tryin...
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What does placing a @ in front of a C# variable name do? [duplicate]

...cumstances. What are some bizzare circumstances? When auto-generating code based on some ruleset, and not wanting to have a special case for reserved words. – ripper234 Jul 7 '09 at 22:03 ...
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CSS3 transform not working

... In webkit-based browsers(Safari and Chrome), -webkit-transform is ignored on inline elements.. Set display: inline-block; to make it work. For demonstration/testing purposes, you may also want to use a negative angle or a transformatio...
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How to set session timeout in web.config

...use Roles & Membership classes provided by ASP.NET. They provide Forms-based authentication which is much more reliabletha the normal Session-based authentication you are trying to use. share | ...
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Override intranet compatibility mode IE8

... you uncheck this that should resolve the problem and IE will use the mode based on the DOCTYPE. share | improve this answer | follow | ...