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What is the difference between a deep copy and a shallow copy?
...two variables refer to the same area of memory. Later modifications to the contents of either are instantly reflected in the contents of other, as they share contents.
Deep:
The variables A and B refer to different areas of memory, when B is assigned to A the values in the memory area which A poi...
Get the device width in javascript
...rning 980 on Iphone (Chrome/Safari). How is that? <meta name="viewport" content="width=device-width" /> made no difference.
– Joao Leme
Oct 2 '12 at 0:48
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How can I swap positions of two open files (in splits) in vim?
Assume I've got some arbitrary layout of splits in vim.
12 Answers
12
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ETag vs Header m>Ex m>pires
...is basically just a checksum for a file that semantically changes when the content of the file changes.
The m>Ex m>pires header is used by the client (and proxies/caches) to determine whether or not it even needs to make a request to the server at all. The closer you are to the m>Ex m>pires date, the more l...
Changing java platform on which netbeans runs
... The version I want to use is "/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home". Then at /Applications/NetBeans/NetBeans 7.2.app/Contents/Resources/NetBeans/etc/netbeans.conf, I add this line: netbeans_jdkhome="/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home"
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Python: changing value in a tuple
I'm new to python so this question might be a little basic. I have a tuple called values which contains the following:
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Where to place JavaScript in an HTML file?
...ads and then m>ex m>ecutes. If the script is in the head or in the midst of the content, the browser will "pause" while it deals with the JS. By placing the JS at the bottom, the content will be loaded and generally visible so the user can start reading it while the browser is still dealing with the JS.
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Why can I initialize a List like an array in C#?
...T. You can use this syntax on any collection you create as long as:
It implements IEnumerable (preferably IEnumerable<T>)
It has a method named Add(...)
What happens is the default constructor is called, and then Add(...) is called for each member of the initializer.
Thus, these two bloc...
Parse JSON in C#
...string titleNoFormatting { get; set; }
[DataMember]
public string content { get; set; }
}
Also, you don't have to instantiate the class to get its type for deserialization:
public static T Deserialise<T>(string json)
{
using (var ms = new MemoryStream(Encoding.Unicode.GetBytes(...
How to print out the contents of a vector?
I want to print out the contents of a vector in C++, here is what I have:
19 Answers
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