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How to initialize a List to a given size (as opposed to capacity)?

...ount copies of the reference passed for the value parameter - so they will all refer to the same object. That may or may not be what you want, depending on your use case. EDIT: As noted in comments, you could make Repeated use a loop to populate the list if you wanted to. That would be slightly fas...
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Why use the INCLUDE clause when creating an index?

...e lowest/leaf level, rather than in the index tree. This makes the index smaller because it's not part of the tree INCLUDE columns are not key columns in the index, so they are not ordered. This means it isn't really useful for predicates, sorting etc as I mentioned above. However, it may be useful...
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Differences between git pull origin master & git pull origin/master

... checked-out branch. git pull origin/master will pull changes from the locally stored branch origin/master and merge that to the local checked-out branch. The origin/master branch is essentially a "cached copy" of what was last pulled from origin, which is why it's called a remote branch in git par...
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What do the terms “CPU bound” and “I/O bound” mean?

...U (doing calculations). A program that computes new digits of π will typically be CPU-bound, it's just crunching numbers. A program is I/O bound if it would go faster if the I/O subsystem was faster. Which exact I/O system is meant can vary; I typically associate it with disk, but of course networ...
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How to change column order in a table using sql query in sql server 2005?

...er when you make a "SELECT *". I'm a developer and do this kind of queries all the time. You can spare some time with a good pre-defined column order. From any other standpoint, of course, it has no sense: nothing should depend on the column order. By the way, there is an ORDINAL_POSITION column qhe...
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NPM clean modules

Is there a way to get npm to unbuild all the modules under node_modules? Something like npm rebuild that removes all build artifacts but doesn't rebuild them? ...
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Getting started with Haskell

...'ve done this by reading tutorials and watching screencasts, but nothing really seems to stick. Now, in learning various imperative/OO languages (like C, Java, PHP), exercises have been a good way for me to go. But since I don't really know what Haskell is capable of and because there are many new c...
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When to use PNG or JPG in iPhone development?

...more compressed image formats, and thus be slower to display. JPG's are smaller to store, but lossy (amount depends on compression level), and to display them requires a much more complicated decoding algorithm. But the typical compression and image quality is usually quite sufficient for photos. ...
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How to show math equations in general github's markdown(not github's blog)

...portant word being "secure" there, considering your question :). Indeed, allowing javascript to be executed would be a bit off of the MarkDown standard text-to-HTML contract. Moreover, everything that looks like a HTML tag is either escaped or stripped out. Tell me how to show math symbols in...
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Objective-C: Where to remove observer for NSNotification?

...his is obviously not a satisfying answer. I'd recommend, that you add a call [notificationCenter removeObserver: self] in method dealloc of those classes, which you intend to use as observers, as it is the last chance to unregister an observer cleanly. This will, however, only protect you against ...