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Printing everything except the first field with awk
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Assigning $1 works but it will leave a leading space: awk '{first = $1; $1 = ""; print $0, first; }'
You can also find the number of columns in NF and use that in a loop.
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Android emulator failed to allocate memory 8
When I try to run my WXGA800 emulator from Eclipse it's giving an error like this
12 Answers
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Sublime Text 2 keyboard shortcut to open file in specified browser (e.g. Chrome)
...uild System" under Tools -> Build System -> New Build System...
As with all configuration in Sublime Text its just JSON, so it should be pretty straight forward. The main thing you are going to want to configure is the "cmd" key/val. Here is the build config for launching chrome on my mac.
{...
How do I get the n-th level parent of an element in jQuery?
...n I want to get, for example, the 3rd level parent of the element I must write $('#element').parent().parent().parent() Is there a more optimal method for this?
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How do I cancel a build that is in progress in Visual Studio?
Almost unconsciously I hit the keyboard build macro that builds my entire solution. This can happen just as I notice a code change. The build dominates my computer, and I basically have to wait till it finishes. 10 seconds!
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What is the use of making constructor private in a class?
...nstructor can only be accessed from static factory method inside the class itself. Singleton can also belong to this category.
A utility class, that only contains static methods.
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MySQL ON vs USING?
...can tell, USING() is just more convenient syntax, whereas ON allows a little more flexibility when the column names are not identical. However, that difference is so minor, you'd think they'd just do away with USING() .
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Ruby on Rails console is hanging when loading
For whatever reason, the Ruby on Rails console refuses to start; it just hangs. I haven't made any changes to my code, and other projects using the same version of Ruby and Ruby on Rails have no issue. When I finally Ctrl + C I get this stack trace, which points to Spring.
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Having Django serve downloadable files
I want users on the site to be able to download files whose paths are obscured so they cannot be directly downloaded.
15 An...
Positioning element at center of screen
I want to position a <div> (or a <table> ) element at the center of the screen irrespective of screen size. In other words, the space left on 'top' and 'bottom' should be equal and space left on 'right' and 'left' sides should be equal. I would like to accomplish this with only CSS.
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