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Is there any overhead to declaring a variable within a loop? (C++)
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An RAII class might need this behavior. For example, a class that manages file access lifetime might need to be created and destroyed on each loop iteration to manage the file access properly.
Suppose you have a LockMgr class that acquires a critical section when it's constructed and releases it w...
NUnit vs. Visual Studio 2008's test projects for unit testing [closed]
...ly matter much, because you can convert test classes with separate project files and conditional compilation (like this, Visual Studio → NUnit):
#if !NUNIT
using Microsoft.VisualStudio.TestTools.UnitTesting;
#else
using NUnit.Framework;
using TestClass = NUnit.Framework.TestFixtureAttrib...
JavaScript/JQuery: $(window).resize how to fire AFTER the resize is completed?
...d');
}, 500);
});
You could have this in a global javascript file somewhere.
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Google Analytics - Failed to load resource: http://www.google-analytics.com/ga.js
... @AdamPietrasiak Yes, it does mean unfortunately. :( Some regional filer list contains rules which are completely blocking the GA, GTM and all awesome Google stuff... even the MVT test (A/B tests) won't work if you use experiment in GA. I cannot understand why is good for the people (eventua...
Facebook Graph API, how to get users email?
...ng of your call to the Auth Dialog.
I'd recommend using an SDK instead of file_get_contents as it makes it far easier to perform the Oauth authentication.
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How do I parse JSON with Objective-C?
...防止乱码，
NSString* jsonString = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
//将字符串写到缓冲区。
NSData* jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
NSError *jsonError;
id allKeys = [NSJSONSerialization JSONObjectWi...
What does the “yield” keyword do?
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Everything you can use "for... in..." on is an iterable; lists, strings, files...
These iterables are handy because you can read them as much as you wish, but you store all the values in memory and this is not always what you want when you have a lot of values.
Generators
Generators are iterato...
Biggest GWT Pitfalls? [closed]
...ilding for one browser. You can do this by putting this into your .gwt.xml file:
<set-property name="user.agent" value="gecko1_8" />
Where gecko1_8 is Firefox 2+, ie6 is IE, etc.
Problem: Hosted mode is very slow (on OS X at least) and does not come close to matching the 'live' changes y...
What is the correct way to start a mongod service on linux / OS X?
...ls you what exactly to do. There is no need to create a new launch control file.
$ brew install mongodb
==> Downloading https://homebrew.bintray.com/bottles/mongodb-3.0.6.yosemite.bottle.tar.gz ### 100.0%
==> Pouring mongodb-3.0.6.yosemite.bottle.tar.gz
==> Caveats
To have launchd start mo...
Better explanation of when to use Imports/Depends
...nism (which also requires import or importFrom directives in the NAMESPACE file), matters would be improved in two ways. (1) The package would itself gain control over which mgcv function is used. (2) By keeping the main search path clear of the imported objects, it would not even potentially break ...