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Why are Python lambdas useful? [closed]
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1016
Are you talking about lambda functions? Like
lambda x: x**2 + 2*x - 5
Those things are act...
Undo a Git commit after push using reverse patch?
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edited Jun 17 '13 at 12:17
Laith Shadeed
3,92222 gold badges2020 silver badges2727 bronze badges
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JQuery to load Javascript file dynamically
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edited Oct 8 '12 at 14:49
Dreen
5,7221010 gold badges4040 silver badges6767 bronze badges
an...
Gesture recognizer and button actions
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176
In the "shouldReceiveTouch" method you should add a condition that will return NO if the touc...
Understanding $.proxy() in jQuery
...n "this" is not our element!
$(this).addClass('aNewClass');
}, 1000);
});
So what we can do instead, is to call $.proxy(), sending it the function and the value we want to assign to this, and it will return a function that will retain that value.
$('#myElement').click(function() {
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Timing a command's execution in PowerShell
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Yup.
Measure-Command { .\do_something.ps1 }
Note that one minor downside of Measure-Command is that you see no stdout output.
[Update, thanks to @JasonMArcher] You can fix that by piping the command output to some commandlet that writes to the host, e.g. Out-D...
Unix command to prepend text to a file
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16 Answers
16
Active
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Read password from stdin
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281
>>> import getpass
>>> pw = getpass.getpass()
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Turning off some legends in a ggplot
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edited Dec 25 '15 at 20:47
answered Jan 30 '13 at 12:55
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Backwards migration with Django South
...ve a migrations directory, with files in it named like
0000_initial.py
0001_added_some_fields.py
0002_added_some_more_fields.py
0003_deleted_some_stuff.py
Normally, when you run ./manage.py migrate your_app, South runs all new migrations, in order. (It looks at the database tables to decide which...