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Is file append atomic in UNIX?

...n NFS. But assuming you write to a log file you opened in 'O_APPEND' mode and keep your lines (including newline) under 'PIPE_BUF' bytes long, you should be able to have multiple writers to a log file without any corruption issues. Any interrupts will arrive before or after the write, not in the m...
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How can I iterate over an enum?

I just noticed that you can not use standard math operators on an enum such as ++ or += 21 Answers ...
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How to create a temporary directory?

I use to create a tempfile , delete it and recreate it as a directory: 4 Answers 4 ...
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Difference between Google APIs (x86 System Image) and Google APIs (ARM System Image) in Android 4.4.

I was following this ( http://developer.android.com/google/play-services/setup.html#Install ). It asked me to install Google APIs for Android API 17 (or higher) but when i opened SDK Manager, this is how it looked like: ...
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How do I pass a unique_ptr argument to a constructor or a function?

I'm new to move semantics in C++11 and I don't know very well how to handle unique_ptr parameters in constructors or functions. Consider this class referencing itself: ...
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How do I return rows with a specific value first?

...turn the rows of the table where a column contains a specific value first, and then return the rest of the rows alphabetized. ...
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How to pipe input to a Bash while loop and preserve variables after loop ends

... other things using $i here... } The braces are an I/O grouping operation and do not themselves create a subshell. In this context, they are part of a pipeline and are therefore run as a subshell, but it is because of the |, not the { ... }. You mention this in the question. AFAIK, you can do a ...
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Checking in of “commented out” code [closed]

Ok, here is something that has caused some friction at my current job and I really didn't expect it to. Organized in house software development is a new concept here and I have drawn up a first draft of some coding guidelines. ...
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ASP.NET MVC Relative Paths

...("~/Scripts/jquery-1.2.6.js")%>"></script> Or use MvcContrib and do this: <%=Html.ScriptInclude("~/Content/Script/jquery.1.2.6.js")%> share | improve this answer | ...
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Linking static libraries to other static libraries

... libraries (a_1-a_n). I'd like to package up that code in a static library and make it available to other people. 6 Answer...