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How can I Remove .DS_Store files from a Git repository?

... It's really trivial, but using -exec will launch git-rm once for every .DS_Store file, while xargs will put all the paths on one command line. Mostly I prefer xargs because I don't have to worry about escaping a lot of special char...
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How can I get column names from a table in Oracle?

...u have 'no rows selected' then you could try to change USER_TAB_COLUMNS to all_tab_columns. To be 100% sure about result you could speficy owner. – Dracontis Feb 25 '15 at 9:01 2 ...
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How to perform a real time search and filter on a HTML table

...ression search More advanced functionality using regular expressions will allow you to search words in any order in the row. It will work the same if you type apple green or green apple: var $rows = $('#table tr'); $('#search').keyup(function() { var val = '^(?=.*\\b' + $.trim($(this).val())....
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What is an optional value in Swift?

...g and writing code more fluent. Unfortunately this obscures the way it actually works. I'll go through some of the tricks later. Note: I'll be talking about optional variables a lot, but it's fine to create optional constants too. I mark all variables with their type to make it easier to understand ...
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mmap() vs. reading blocks

I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
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Check free disk space for current partition in bash

I am writing an installer in bash. The user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition...
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What is an existential type?

...hrough the Wikipedia article Existential types . I gathered that they're called existential types because of the existential operator (∃). I'm not sure what the point of it is, though. What's the difference between ...
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How do I remove the last comma from a string using PHP?

...This doesn't work in a loop that adds a comma at the end as it will remove all the commas. – LizardKG Mar 11 at 21:35 add a comment  |  ...
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How to change an application icon programmatically in Android?

...st: <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" /> <uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT" /> Then you need this two methods for installing and uninstalling shortcuts. The shortcutAdd method creates a bitm...
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Resize UIImage by keeping Aspect ratio and width

... +(UIImage*)imageWithImage: (UIImage*) sourceImage scaledToWidth: (float) i_width { float oldWidth = sourceImage.size.width; float scaleFactor = i_width / oldWidth; float newHeight = sourceImage.size.height * scaleFactor; float newWidth = oldWidth * scaleFactor; UIGraphicsBegin...