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How to define custom configuration variables in rails
...wondering how to add custom configuration variables to a rails application and how to access them in the controller, for e.g I wanna be able to define an upload_directory in the configuration files say development.rb and be able to access it in one of my controllers.
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Putting git hooks into repository
... A great way around this is to drop in a hook wrapper script in your repo, and symlink all of the hooks to it. The wrapper can then examine $0 (assuming it's a bash script; an equivalent like argv[0] otherwise) to figure out which hook it was invoked as, then invoke the appropriate hook within your ...
Unable to locate tools.jar
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Yes, you've downloaded and installed the Java Runtime Environment (JRE) instead of the Java Development Kit (JDK). The latter has the tools.jar, java.exe, javac.exe, etc.
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How do I raise the same Exception with a custom message in Python?
...thon 3, check Ben's answer
To attach a message to the current exception and re-raise it:
(the outer try/except is just to show the effect)
For python 2.x where x>=6:
try:
try:
raise ValueError # something bad...
except ValueError as err:
err.message=err.message+" hello"
...
Node Version Manager install - nvm command not found
...you're missing that folder then the installation failed to run the git command. This could be due to being behind a proxy. Try running the following instead.
git clone http://github.com/creationix/nvm.git .nvm
share
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How do I create some kind of table of content in GitHub wiki?
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@LB--: If you edit a GitHub wiki page and change the "editing style" dropdown to "MediaWiki", you can just use the MediaWiki __TOC__ directly. Clearly the underlying autogeneration logic is there. But the functionality doesn't seem to be exposed in their Markdown...
are there dictionaries in javascript like python?
...x","harry"],
"AK":["liza","alex"],
"TX":["fred", "harry"]
};
And to access the values:
states_dictionary.AK[0] //which is liza
or you can use javascript literal object notation, whereby the keys not require to be in quotes:
states_dictionary={
CT:["alex","harry"],
AK:["...
How to construct a WebSocket URI relative to the page URI?
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If your Web server has support for WebSockets (or a WebSocket handler module) then you can use the same host and port and just change the scheme like you are showing. There are many options for running a Web server and Websocket server/module together.
I would suggest that you look at t...
Sublime Text 3 how to change the font size of the file sidebar?
Though I have tried to modify "font.size" in classes like "Label_control" and "sidebar_control" in the Package "Theme-Default", the font size of the editor does not change at all. Is there anything different in sublime text3？
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How to get a JavaScript object's class?
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you might also want to mention instanceof/isPrototypeOf() and the non-standard __proto__
– Christoph
Aug 8 '09 at 18:46
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