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Running multiple commands with xargs
In the example above, xargs takes echo % as the command argument. But in some cases, I need multiple commands to process the argument instead of one. For example:
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Is file append atomic in UNIX?
In general, what can we take for granted when we append to a file in UNIX from multiple processes? Is it possible to lose data (one process overwriting the other's changes)? Is it possible for data to get mangled? (For example, each process is appending one line per append to a log file, is it po...
Why does ContentResolver.requestSync not trigger a sync?
I am trying to implement the Content-Provider-Sync Adapter pattern as discussed at Google IO - slide 26. My content provider is working, and my sync works when I trigger it from the Dev Tools Sync Tester application, however when I call ContentResolver.requestSync(account, authority, bundle) from ...
Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
In the x86-64 Tour of Intel Manuals , I read
3 Answers
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Why does my application spend 24% of its life doing a null check?
I've got a performance critical binary decision tree, and I'd like to focus this question on a single line of code. The code for the binary tree iterator is below with the results from running performance analysis against it.
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Generate a random date between two other dates
How would I generate a random date that has to be between two other given dates?
26 Answers
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See all breakpoints in Visual Studio 2010+
Is there a window in Visual Studio 2010 and newer where I can see all the breakpoints that I have in my project or solution?
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Declaring abstract method in TypeScript
I am trying to figure out how to correctly define abstract methods in TypeScript:
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How can I control the width of a label tag?
The label tag doesn't have the property 'width', so how should I control the width of a label tag?
7 Answers
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Why should I use core.autocrlf=true in Git?
I have a Git repository that is accessed from both Windows and OS X, and that I know already contains some files with CRLF line-endings. As far as I can tell, there are two ways to deal with this:
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