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How to create multidimensional array
Can anyone give me a sample/example of JavaScript with a multidimensional array of inputs? Hope you could help because I'm still new to the JavaScript.
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What is the preferred Bash shebang?
...- to the end of $!/usr/bin/env bash - won't do anything since only one argument is allowed by *nix in the shebang, and that is used by 'bash'. That's apparently only useful for preventing malicious arguments being passed to the script on the commandline if the script's shebang is one of the others ...
Using jQuery to center a DIV on the screen
...).scrollLeft()) + "px");
return this;
}
Now we can just write:
$(element).center();
Demo: Fiddle (with added parameter)
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Abort Ajax requests using jQuery
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Most of the jQuery Ajax methods return an XMLHttpRequest (or the equivalent) object, so you can just use abort().
See the documentation:
abort Method (MSDN). Cancels the current HTTP request.
abort() (MDN). If the request has been sent already, t...
SQL keys, MUL vs PRI vs UNI
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It means that the field is (part of) a non-unique index. You can issue
show create table <table>;
To see more information about the table structure.
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How to return dictionary keys as a list in Python?
...ask yourself whether or not it matters. The Pythonic way to code is to assume duck typing (if it looks like a duck and it quacks like a duck, it's a duck). The dict_keys object will act like a list for most purposes. For instance:
for key in newdict.keys():
print(key)
Obviously, insertion opera...
Remove or adapt border of frame of legend using matplotlib
...lot using matplotlib:
How to remove the box of the legend?
plt.legend(frameon=False)
How to change the color of the border of the legend box?
leg = plt.legend()
leg.get_frame().set_edgecolor('b')
How to remove only the border of the box of the legend?
leg = plt.legend()
leg.get_frame().set_l...
Better way to revert to a previous SVN revision of a file?
I accidentally committed too many files to an SVN repository and changed some things I didn't mean to. (Sigh.) In order to revert them to their prior state, the best I could come up with was
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How to use web-fonts legally? [closed]
... laws applied to web fonts. I know that it's OK to use fonts like Arial, Times Romans, Georgia, etc...I think it's illegal to use other commercial fonts.
Are there websites that provide free fonts? If there are.
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How to SSH to a VirtualBox guest externally through a host? [closed]
...tings and click the Port Forwarding button. Add a new Rule. As the rule name, insert "ssh". As "Host port", insert 3022. As "Guest port", insert 22. Everything else of the rule can be left blank.
or from the command line
VBoxManage modifyvm myserver --natpf1 "ssh,tcp,,3022,,22"
where 'myserver'...