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How do I copy a version of a single file from one git branch to another?

...er branch> <path to file> works well. – Randall Mar 11 '16 at 20:10 2 @Gonen: As of git ...
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How to create a CPU spike with a bash command

...ate a near 100% load on a Linux machine. It's quad core system and I want all cores going full speed. Ideally, the CPU load would last a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop. ...
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How Pony (ORM) does its tricks?

...ecode instructions one-by-one. For each instruction the decompiler object calls its own method. The name of this method is equal to the name of current bytecode instruction. When Python calculates an expression, it uses stack, which stores an intermediate result of calculation. The decompiler objec...
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What is the purpose of the reader monad?

... Don't be scared! The reader monad is actually not so complicated, and has real easy-to-use utility. There are two ways of approaching a monad: we can ask What does the monad do? What operations is it equipped with? What is it good for? How is the monad implemen...
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Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?

...e NDK documents. Ever since the release NDK-r6, it has provided a utility called ndk-stack. Following is the content from official NDK documents with the NDK-r9 tar ball. Overview: ndk-stack is a simple tool that allows you to filter stack traces as they appear in the output of 'adb logcat' and r...
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How to check if mod_rewrite is enabled in php?

...ng mod_php, you can use apache_get_modules(). This will return an array of all enabled modules, so to check if mod_rewrite is enabled, you could simply do in_array('mod_rewrite', apache_get_modules()); Unfortunately, you're most likely trying to do this with CGI, which makes it a little bit more ...
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Postgres could not connect to server

...ew update and brew upgrade, my postgres got some problem. I tried to uninstall postgres and install again, but it didn't work as well. ...
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Convert JSON string to dict using Python

...he vague nomenclature used. Here is what I wrote to combat this: def read_json(json_data): if (type(json_data) == str): return json.loads(json_data) elif (str(type(json_data)) == "<class '_io.TextIOWrapper'>"): return json.load(json_data) I'm sure this can be improv...
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How does having a dynamic variable affect performance?

...Generator(); if (!method.IsStatic) { il.Emit(OpCodes.Ldarg_0); il.Emit(OpCodes.Unbox_Any, method.DeclaringType); } var parameters = method.GetParameters(); for (int i = 0; i < parameters.Length; i++) { il.Emit(OpCodes.Ldarg_1); il.Emit(OpCo...
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How can one close HTML tags in Vim quickly?

... I have installed this. It doesn't completed close tag automatically.What is the shortkey? I try Ctrl-_, but this make small font of my terminal. – alhelal Apr 3 '18 at 1:25 ...