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How to check if a file exists in the Documents directory in Swift?
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Nowadays (2016) Apple recommends more and more to use the URL related API of NSURL, NSFileManager etc.
To get the documents directory in iOS and Swift 2 use
let documentDirectoryURL = try! NSFileManager.defaultManager().URLForDirectory(.DocumentDirectory, ...
How to determine programmatically whether a particular process is 32-bit or 64-bit
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One of the more interesting ways I've seen is this:
if (IntPtr.Size == 4)
{
// 32-bit
}
else if (IntPtr.Size == 8)
{
// 64-bit
}
else
{
// The future is now!
}
To find out if OTHER processes are running in the 64-bit emul...
LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
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Config Error: This configuration section cannot be used at this path
... That fixed the error message I was getting in the IIS7 manager. More surprisingly is that it also fixed the HTTP 500 clients were receiving when attempting to access the website.
– Brian Gideon
Aug 13 '14 at 14:39
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Calculate a MD5 hash from a string
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95
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What is a plain English explanation of “Big O” notation?
..."Smith". If it happens to be "Smith, John", we just got really lucky. Far more likely is that "John Smith" will be before or after that name. If it's after we then divide the last half of the phone book in half and repeat. If it's before then we divide the first half of the phone book in half and...
What is an NP-complete in computer science?
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433
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How does __proto__ differ from constructor.prototype?
...gur.com/KFzI3.png
I know I'm not the first one making this up but it was more interesting figuring it out that finding it :-). Anyway, after that I found e.g. this another diagram that I think says basicly the same:
Javascript object layout
The most surprising thing for me was discovering that O...