大约有 46,000 项符合查询结果(耗时:0.0571秒) [XML]

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Centering a div block without the width

...S rule. This is a good trick to center a div in a container without adding extra HTML nor applying constraining styles to the container (like text-align: center; which would center all other inline content in the container), while keeping dynamic width for the contained div: HTML: <div class="c...
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Get MIME type from filename extension

...ing.GetMimeMapping method, that is part of the BCL in .NET Framework 4.5: string mimeType = MimeMapping.GetMimeMapping(fileName); If you need to add custom mappings you probably can use reflection to add mappings to the BCL MimeMapping class, it uses a custom dictionary that exposes this method, ...
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Distinct() with lambda?

... great answer!!! also, for all VB_Complainers about the yield + extra lib, foreach can be re-written as return source.Where(element => knownKeys.Add(keySelector(element))); – denis morozov Mar 4 '14 at 16:51 ...
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Virtual functions and performance - C++

...an instruction cache miss like a non-virtual function. In many cases, two extra cache misses are not a concern, but in a tight loop on performance critical code it can dramatically reduce performance. share | ...
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How does MongoDB sort records when no sort order is specified?

...natural order) is an undefined implementation detail. Maintaining order is extra overhead for storage engines and MongoDB's API does not mandate predictability outside of an explicit sort() or the special case of fixed-sized capped collections which have associated usage restrictions. For typical wo...
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What is a Java ClassLoader?

...ollowing simple class: public class HelloApp { public static void main(String argv[]) { System.out.println("Aloha! Hello and Bye"); } } If you run this class specifying the -verbose:class command-line option, so that it prints what classes are being loaded, you will get an output that...
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How do I push amended commit to the remote Git repository?

... .git/config branch section). And after git push Maybe you will get an extra commit with the subject telling about a "Trivial merge". share | improve this answer | follow...
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problem with and :after with CSS in WebKit

... This is a fantastic, simple, and elegant solution that requires no extra HTML which is exactly what I was looking for! Thanks! This should be the chosen answer IMO. – KyleFarris Jul 30 '18 at 23:41 ...
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How to make “if not true condition”?

...'ll just say that grep can take a file name on its cmd-line, so why invoke extra processes and pipe constructions when you don't have to? ;-) I hope this helps. share | improve this answer ...
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NodeJS - Error installing with NPM

...t least) 2 ways to resolve this. Installing the Cygwin package cygutils-extra and use winln. Use native Windows CMD in Admin mode. For (1) you can create a proper symlink from within Cygwin shell by doing these steps: # To make the Cygwin environment treat Windows links properly: # Alternat...