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Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?

... you're working with. If you're editing for iOS 6, the deltas there are in order to transform the element correctly for iOS 7 (the reverse of the example above). In order to view the different styles, you can change the way Interface Builder presents it based on the OS it would be running on. This ...
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Post-increment and pre-increment within a 'for' loop produce same output [duplicate]

... the old value of i after incrementing, I think ++i may be shorter (on the order of 1-2 instructions). – danben Feb 5 '11 at 0:18 26 ...
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Peak detection in a 2D array

...tains the peaks we are #looking for, but also the background. #In order to isolate the peaks we must remove the background from the mask. #we create the mask of the background background = (image==0) #a little technicality: we must erode the background in order to #succes...
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What is a patch in git version control?

...ave two versions of the file (or even the whole repository) checked out in order to compare them. Doesn't sound that good, does it? So git takes care of all of the hard work for you - it compares your local file with what is there in the repository you are working with, and can show it to you as a "...
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How should you build your database from source control?

...scripts named liked 001_AlterXXX.sql, so that running them in natural sort order will upgrade from version A to B) Which types of objects shouldn't be version controlled? Sequences? Grants? User Accounts? see 2. If your users/roles (or technical user names) are different between environments, yo...
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Sticky and NON-Sticky sessions

...ct way of one knowing what is there in the session object of the other. In order to synchronize between these server sessions, you may have to write/read the session data into a layer which is common to all - like a DB. Now writing and reading data to/from a db for this use-case may not be a good id...
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Getting image dimensions without reading the entire file

...) { int maxMagicBytesLength = imageFormatDecoders.Keys.OrderByDescending(x => x.Length).First().Length; byte[] magicBytes = new byte[maxMagicBytesLength]; for (int i = 0; i < maxMagicBytesLength; i += 1) { magicBytes[i] ...
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When & why to use delegates? [duplicate]

...f the benefits of compile time static binding. Invocation of a delegate is orders of magnitude faster than the reflection invoke alternative. Additionally if a function signature changes such that it no longer matches the delegate this results in a compile time error which you don't get with reflect...
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Can you help me understand Moq Callback?

...your mock, but they happen concurrently. So you have no way of knowing the order in which they'd get called, but you want to know the calls you expected did take place (irrespective of order). You can do something like this: var cq = new ConcurrentQueue<bool>(); mock.Setup(f => f.Bar(It.Is...
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How do I update a GitHub forked repository?

...rebased your branch onto upstream/master you may need to force the push in order to push it to your own forked repository on GitHub. You'd do that with: git push -f origin master You only need to use the -f the first time after you've rebased. ...