大约有 15,000 项符合查询结果(耗时:0.0276秒) [XML]

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What does enumerable mean?

..., "valueOf", "hasOwnProperty", "isPrototypeOf", "propertyIsEnumerable", /* etc. */] Each of these properties still exists on the object: console.log('constructor' in foo); // true console.log('toString' in foo); // true // etc. But, they're skipped by the for..in loop because they aren't enu...
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Why should you use an ORM? [closed]

...ng to its discriminator. Another type of query would be one that eagerly fetches an object and one or more related objects or collections in a single database call. e.g. Each shape object is returned with its vertex and side collections populated. I'm sorry to disagree with so many others here, b...
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.gitignore for Visual Studio Projects and Solutions

...ich allow you to generate .gitignore file based on your OS, IDE, language, etc. Take a look at http://www.gitignore.io/. On 8/20/2014, here's the file that is generated for Visual Studio + Windows. # Created by http://www.gitignore.io ### VisualStudio ### ## Ignore Visual Studio temporary files...
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Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?

...ead. Most of the time you're waiting for a long running process to finish fetching/manipulating data and then you can process it in the background right in your completion block and then only stick UI calls into a dispatch block on the main queue. Plus it's always good to follow what Apple sets in t...
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T-SQL split string

... All the other methods to split string like XML, Tally table, while loop, etc.. has been blown away by this STRING_SPLIT function. Here is an excellent article with performance comparison : Performance Surprises and Assumptions : STRING_SPLIT ...
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Swift: #warning equivalent

...eminds me I'm in dev mode - using different URLs, timeouts, other settings etc. Arie's suggestion above lets me do this, your technique just flags everything. That said, this technique has its use for sure so I up voted it too! – David H Nov 17 '14 at 16:42 ...
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Looking for a 'cmake clean' command to clear up CMake output

...re' and 'make' without needing the autotools (aclocal, automake, autoconf, etc) If we extrapolate that to cmake then a 'make distclean' would leave us with a clean source that can be built without having cmake installed. However, this doesn't work when the generator was a single-target generator (a...
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How to host google web fonts on my own server?

... I wrote a bash script that fetches the CSS file on Google's servers with different user agents, downloads the different font formats to a local directory and writes a CSS file including them. Note that the script needs Bash version 4.x. See https://nev...
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When to use thread pool in C#? [closed]

... a thread is waiting on a synchronization object (event, semaphore, mutex, etc) then the thread does not consume CPU. – Brannon Sep 28 '08 at 7:18 7 ...
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How much faster is Redis than mongoDB?

...wing how the factor changes with different configurations and operations), etc, is Redis 10x faster?, 2x faster?, 5x faster? ...