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Install a Python package into a different directory using pip?
I know the obvious answer is to use virtualenv and virtualenvwrapper, but for various reasons I can't/don't want to do that.
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Advantages and disadvantages of GUID / UUID database keys
...ns. So We can use the PK's from our CMS (guid) in our app (also guid) and know we are NEVER going to get a clash.
Disadvantages:
Larger space use, but space is cheap(er)
Can't order by ID to get the insert order.
Can look ugly in a URL, but really, WTF are you doing putting a REAL DB key in a UR...
Differences between std::make_unique and std::unique_ptr with new
...t here is that std::make_unique<A> and std::make_unique<B> are now temporary objects, and cleanup of temporary objects is correctly specified in the C++ standard: their destructors will be triggered and the memory freed. So if you can, always prefer to allocate objects using std::make_un...
What are the differences between various threading synchronization options in C#?
..."Using Other .Net synchronization classes"- some of the others you should know about:
ReaderWriterLock - allows multiple readers or a single writer (not at the same time)
ReaderWriterLockSlim - like above, lower overhead
ManualResetEvent - a gate that allows code past when open
AutoResetEvent - as...
What is the difference between Scala's case class and class?
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@Mitch: True, my bad. Fixed now.
– sepp2k
Feb 22 '10 at 18:56
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Why use bzero over memset?
...use you can achieve exactly the same functionality using memset function.
Now regarding efficiency, compilers like gcc use builtin implementations for memset which switch to a particular implementation when a constant 0 is detected. Same for glibc when builtins are disabled.
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Creating a div element in jQuery [duplicate]
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@halfer As far as I know, that's a total myth (albeit a popular one) and single quotes around attributes are in fact perfectly valid in HTML, XML, and XHTML. See stackoverflow.com/questions/2210430/…
– Mark Amery
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PHP 5: const vs static
...s 10
echo ClassName::MY_CONST; // returns 5
ClassName::$my_var = 20; // now equals 20
ClassName::MY_CONST = 20; // error! won't work.
Public, protected, and private are irrelevant in terms of consts (which are always public); they are only useful for class variables, including static variable....
How do I specify multiple targets in my podfile for my Xcode project?
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CocoaPods 1.0 has changed the syntax for this. It now looks like this:
def shared_pods
pod 'SSKeychain', '~> 0.1.4'
pod 'INAppStoreWindow', :head
pod 'AFNetworking', '1.1.0'
pod 'Reachability', '~> 3.1.0'
pod 'KSADNTwitterFormatter', '~> 0.1.0'...
How is “=default” different from “{}” for default constructor and destructor?
I originally posted this as a question only about destructors, but now I'm adding consideration of the default constructor. Here's the original question:
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