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Why does ++[[]][+[]]+[+[]] return the string “10”?
...tr is a primitive value, return str.
The .toString of an array says:
15.4.4.2 Array.prototype.toString ( )
When the toString method is called, the following steps are taken:
Let array be the result of calling ToObject on the this value.
Let func be the result of calling the [[Ge...
How to get the directory of the currently running file?
...ustavo NiemeyerGustavo Niemeyer
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2
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How to set up a PostgreSQL database in Django
...settings.py?
– Yulong
Jun 18 '12 at 15:15
2
but I get this psycopg2.OperationalError: fe_sendauth...
Keyboard shortcut to comment lines in Sublime Text 3
...It seems a bug: http://www.sublimetext.com/forum/viewtopic.php?f=3&t=11157&start=0
As a workaround, go to Preferences->Key Bindings - User and add these keybindings (if you're using Linux):
{ "keys": ["ctrl+7"], "command": "toggle_comment", "args": { "block": false } },
{ "keys": ["ctrl...
Why is UICollectionViewCell's outlet nil?
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edited Jan 8 '15 at 10:41
answered Aug 6 '14 at 17:42
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Extending an Object in Javascript
...son();.
– Felix Kling
Apr 16 '14 at 15:44
19
As stated by Felix, 'Robot.prototype = Person.protot...
How to convert a string to number in TypeScript?
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1514
Exactly like in JavaScript, you can use the parseInt or parseFloat functions, or simply use t...
MongoDB: Combine data from multiple collections into one..how?
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edited Jul 24 '15 at 1:17
jasonszhao
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What's the difference between HEAD^ and HEAD~ in Git?
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15 Answers
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Should I hash the password before sending it to the server side?
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155
This is an old question, but I felt the need to provide my opinion on this important matter. ...