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Remove duplicate lines without sorting [duplicate]

...e unique lines. This of course could end up being the whole file though if all the lines are unique. – deltaray Jul 11 '18 at 17:33  |  show 1...
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Benefit of using Parcelable instead of serializing object

...our objects. Also realize that Android provides two mechanisms that allow you to pass data to another process. The first is to pass a bundle to an activity using an intent, and the second is to pass a Parcelable to a service. These two mechanisms are not interchangeable and ...
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How do I use vi keys in ipython under *nix?

... ipython --TerminalInteractiveShell.editing_mode=vi ... or to set it globally in the profile configuration (~/.ipython/profile_default/ipython_config.py; create it with ipython profile create if you don't have it) with: c.TerminalInteractiveShell.editing_mode = 'vi' ...
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Deleting Objects in JavaScript

...a C++ delete. (And accessing one of them would cause a crash. To make them all turn null would mean having extra work when deleting or extra memory for each object.) Since Javascript is garbage collected, you don't need to delete objects themselves - they will be removed when there is no way to ref...
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How to slice an array in Bash

... There is also a convenient shortcut to get all elements of the array starting with specified index. For example "${A[@]:1}" would be the "tail" of the array, that is the array without its first element. version=4.7.1 A=( ${version//\./ } ) echo "${A[@]}" # 4 7 1 B...
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Send email with PHPMailer - embed image in body

...PHPMailer, with images. The body is loaded from a html file, that contains all the info. 2 Answers ...
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dispatch_after - GCD in Swift?

...patch_block_t?) dispatch_time_t is a UInt64. The dispatch_queue_t is actually type aliased to an NSObject, but you should just use your familiar GCD methods to get queues. The block is a Swift closure. Specifically, dispatch_block_t is defined as () -> Void, which is equivalent to () -> (). ...
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git pull keeping local changes

...e solution based on Git stash. Stash everything that you've changed, pull all the new stuff, apply your stash. git stash git pull git stash pop On stash pop there may be conflicts. In the case you describe there would in fact be a conflict for config.php. But, resolving the conflict is easy be...
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Spring MVC: Complex object as GET @RequestParam

... Biju, can you give an example of how to call this? I am making a basic http GET call to the Rest API and it has no fancy forms. – bschandramohan Jul 9 '13 at 16:13 ...
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Passing functions with arguments to another function in Python?

... y): return x+y # declare partial function def addPartial(x): def _wrapper(y): return add(x, y) return _wrapper # run example def main(): f = addPartial(3) result = runOp(f, 1) # is 4 Use partial from functools This is almost identical to lambda shown above. Then why...