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How to check whether a file or directory exists?
...ver. Explicitly returning an err as a second return value is an extremely common, idiomatic Go technique. See: golang.org/doc/effective_go.html#errors
– Chris Pfohl
Aug 13 '13 at 20:19
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Command to change the default home directory of a user
I would like to know whether there is any simple shell command to change the user home directory in Linux/Unix (one similar to chsh which changes the default login shell of an existing valid user) without touching the /etc/passwd file. Thanks
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How do I make a checkbox required on an ASP.NET form?
...this is the right way to do this". To answer the most frequently occurring complaint against this question: "checkboxes can have two legitimate states - checked and unchecked", this is an "I accept the terms and conditions..." checkbox which must be checked in order to complete a registration, hence...
Difference between shared objects (.so), static libraries (.a), and DLL's (.so)?
...correct. The header file defines prototypes which are required in order to compile the code which uses the library, but at link time the linker looks inside the library itself to make sure the functions it needs are actually there. The linker has to find the function bodies somewhere at link time or...
css label width not taking effect
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@ColinD I would recommend using divs, not <p> tags.
– Davis
Jul 7 '16 at 17:35
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Capistrano error tar: This does not look like a tar archive
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Responding with a JSON object in Node.js (converting object/array to JSON string)
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Plot a bar using matplotlib using a dictionary
... you can of course wrap those two lines up in a function and then it becomes a one-liner ;)
– tacaswell
Apr 15 '13 at 16:04
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How to Create Deterministic Guids
...ata_search.php?rfc=4122&eid=1352). If this implementation is not fully compliant with RFC4122 and its errata, please provide further details; I would like to make it follow the standard.
– Bradley Grainger
Jul 10 '13 at 6:57
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Execution of Python code with -m option or not
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When you use the -m command-line flag, Python will import a module or package for you, then run it as a script. When you don't use the -m flag, the file you named is run as just a script.
The distinction is important when you try to run a packag...