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How to sort a list of lists by a specific index of the inner list?
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This is a job for itemgetter
>>> from operator import itemgetter
>>> L=[[0, 1, 'f'], [4, 2, 't'], [9, 4, 'afsd']]
>>> sorted(L, key=itemgetter(2))
[[9, 4, 'afsd'], [0, 1, 'f'], [4, 2, 't']]
It is also possible to use a lambda function her...
How do I paste multi-line bash codes into terminal and run it all at once?
...ach, and more flexible/forgiving...
If you'd like to paste multiple lines from a website/text editor/etc., into bash, regardless of whether it's commands per line or a function or entire script... simply start with a ( and end with a ) and Enter, like in the following example:
If I had the followi...
PHP substring extraction. Get the string before the first '/' or the whole string
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Php doesn't like you indexing into return values from functions.
– gnud
Dec 20 '09 at 14:20
3
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What to put in a python module docstring? [closed]
...s (and functions too, though I'm not showing one here) is already included from those components' docstrings; the module's own docstring should describe them very summarily (if at all) and rather concentrate on a concise summary of what the module as a whole can do for you, ideally with some doctest...
Short form for Java if statement
...ame = city.getName() ?: "N/A";
The operator ?: assign the value returned from the variable which we are asking for. In this case, the value of city.getName() if it's not null.
Lint: How to ignore “ is not translated in ” errors?
... being filled little by little. translatable="false" would prevent anybody from translating.
– Nicolas Raoul
Nov 5 '12 at 7:38
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jQuery date formatting
....formatDate('yy-mm-dd', new Date());
If you decide to utilize datepicker from JQuery UI, make sure you use proper references in your document's < head > section:
<link rel="stylesheet" href="http://code.jquery.com/ui/1.9.2/themes/base/jquery-ui.css" />
<script src="http://code.jqu...
Extension methods must be defined in a non-generic static class
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How is this different from the answers given years before?
– Maarten Bodewes
May 16 '19 at 15:19
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社交应用组件 · App Inventor 2 中文网
...er Key and Consumer Secret for Twitter authorization specific to your
app from http://twitter.com/oauth_clients/new
属性
ConsumerKey
The consumer key to be used when authorizing with Twitter via OAuth.
ConsumerSecret
The consumer secret to be used when authorizing with Twitter via OAut...
MySQL - Make an existing Field Unique
...but in English Version should be the same. Just click Unique button. Also from there you can make your columns PRIMARY or DELETE.
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