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Transpose list of lists
..., zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip expects an arbitrary number of arguments each of which must be iterable. E.g. zip([1, 2], [3, 4], [5, 6]).
Unpacked argument lists: Given a sequence ...
Insert HTML into view from AngularJS controller
Is it possible to create an HTML fragment in an AngularJS controller and have this HTML shown in the view?
18 Answers
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To switch from vertical split to horizontal split fast in Vim
...an you switch your current windows from horizontal split to vertical split and vice versa in Vim?
8 Answers
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“Failed to load platform plugin ”xcb“ ” while launching qt5 app on linux without qt installed
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shows that xcb depends on libQt5DBus.so.5 in addition to libQt5Core.so.5 and libQt5Gui.so.5 (and many other system libs). Add libQt5DBus.so.5 to your collection of shared libs and you should be ready to move on.
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Constructor of an abstract class in C#
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Because there might be a standard way you want to instantiate data in the abstract class. That way you can have classes that inherit from that class call the base constructor.
public abstract class A{
private string data;
protected A(string...
How to reverse-i-search back and forth? [duplicate]
I use reverse-i-search often, and that's cool. Sometime though when pressing CTRL + r multiple times, I pass the command I am actually looking for. Because CTRL + r searches backward in history, from newest to oldest, I have to:
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Can't connect to local MySQL server through socket '/var/mysql/mysql.sock' (38)
...ysql/mysql.sock
you can check if mysql is running with the following command:
mysqladmin -u root -p status
try changing your permission to mysql folder. If you are working locally, you can try:
sudo chmod -R 755 /var/lib/mysql/
that solved it for me
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Animate change of view background color on Android
How do you animate the change of background color of a view on Android?
16 Answers
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Express-js can't GET my static files, why?
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Thank you. As someone who is new to Node and Express, the Express documentation seems sketchy until you discover that Connect is where the middleware docs are at.
– Nate
Apr 10 '12 at 17:31
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psql invalid command \N while restore sql
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Postgres uses "\N" as substitute symbol for NULL value. But all psql commands starts by backslash "\" symbol. So you can get this messages, when probably copy statement fails, but a loading of dump continues. This message is only false alarm. You have to search a lines before for reason why COPY s...