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What's the difference between Perl's backticks, system, and exec?

...rom a process's STDOUT (but not both at the same time). #read from a gzip file as if it were a normal file open my $read_fh, "-|", "gzip", "-d", $filename or die "could not open $filename: $!"; #write to a gzip compressed file as if were a normal file open my $write_fh, "|-", "gzip", $filename...
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How do you include Xml Docs for a class library in a NuGet package?

...to include generated Xml Documentation with the library. This is my nuspec file: 2 Answers ...
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Clearing purchases from iOS in-app purchase sandbox for a test user

...tProduct, purchaseProduct, ...), just write PRODUCT_ID1 and at some header file put #define PRODUCT_ID1 @"Extra_Levels" (with no semicolon!), then the preprocessor will search PRODUCT_ID1 and substitute it for @"Extra_Levels". Then creating a new non-consumable called @"Extra_Levels_01" and changing...
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What does this mean: Failure [INSTALL_FAILED_CONTAINER_ERROR]?

... remove this file from your device /mnt/secure/asec/smdl2tmp1.asec Edit/Update by Mathias Conradt (OP): If you don't have root access, you need to mount the sdcard and remove it via pc: /.android_secure/smdl2tmp1.asec ...
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Github Windows 'Failed to sync this branch'

... This error comes because of a merge conflict in files. I faced it after I had updated my Maven Project's pom.xml but didn't commit it. Using git status error: Your local changes to the following files would be overwritten by merge: <my project>/pom.xml Please, comm...
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How to store int[] array in application Settings

...s also another solution - requires a bit of manual editing of the settings file, but afterwards works fine in VS environment and in the code. And requires no additional functions or wrappers. The thing is, that VS allows to serialize int[] type by default in the settings file - it just doesn't allo...
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Disable HttpClient logging

...ng library to use You can do this by creating a commons-logging.properties file as per these instructions The steps you want to follow to configure the commons-httpclient logging are Decide which underlying logging framework you want to use. There are a number of choices, but probably log4j or jav...
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How can I explode and trim whitespace?

... this....saved....my...life....I was trying to manipulate a file via fseek to append to the end of a file...once I decided to break it into an array and rewrite the file, I saw that there was extra whitespace being added the whole time... this + implode saved my freaking life..I can g...
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What does Python's eval() do?

...have python run it as code. So for example: eval("__import__('os').remove('file')"). – BYS2 Feb 21 '12 at 19:24 ...
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Checkout multiple git repos into same Jenkins workspace

...kspace" directory where you want to copy the project to. You could map the filesystem of my development computer. The "second advanced menu" doesn't exist anymore, instead what needs to be done is use the "Add" button (on the "Additional Behaviours" section), and choose "Check out to a sub-directo...