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Error installing libv8: ERROR: Failed to build gem native extension
I made a rails project with,
16 Answers
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Check if PHP session has already started
I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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How to get next/previous record in MySQL?
...7,9 and I want to be able to go from one to another by navigation via next/previous links. The problem is, that I don't know how to fetch record with nearest higher ID.
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Check whether an input string contains a number in javascript
My end goal is to validate an input field. The input may be either alphabetic or numeric.
12 Answers
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Broken references in Virtualenvs
I recently installed a bunch of dotfiles on my Mac along with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they ...
C# Object Pooling Pattern implementation
Does anyone have a good resource on implementing a shared object pool strategy for a limited resource in vein of Sql connection pooling? (ie would be implemented fully that it is thread safe).
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Is there Unicode glyph Symbol to represent “Search” [closed]
Unicode has a million icon-like glyphs, but they're very hard to search.
5 Answers
5
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How do I move forward and backward between commits in git?
I am doing a git bisect and after arriving to the problematic commit, I am now trying to get a step forward/backward to make sure I am in the right one.
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Why does git diff on Windows warn that the “terminal is not fully functional”?
... Git Bash, this can be fixed by adding the following line to ~/.bashrc:
export TERM=cygwin
-or-
export TERM=msys
The first seems to be the original by git for windows, the second a popular known form to "heal" as well.
The problem can be caused if some other program (like for example Strawber...
Merge / convert multiple PDF files into one PDF
How could I merge / convert multiple PDF files into one large PDF file?
18 Answers
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