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How can I upgrade specific packages using pip and a requirements file?
...ngo projects. I'm trying to upgrade some packages, notably Django itself, and I'm getting an error about source code conflicts:
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Difference between string and char[] types in C++
I know a little C and now I'm taking a look at C++.
I'm used to char arrays for dealing with C strings, but while I look at C++ code I see there are examples using both string type and char arrays:
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JavaScript unit test tools for TDD
I've looked into and considered many JavaScript unit tests and testing tools, but have been unable to find a suitable option to remain fully TDD compliant. So, is there a JavaScript unit test tool that is fully TDD compliant?
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Sublime - delete all lines containing specific value
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You can do a regular expression search-and-replace:
Click Find > Replace.
Ensure that the Regular Expression button is pressed.
For the Find What field, put:
^.*No records to send and/or not connected.*\n
Leave the Replace With field empty.
Click Replac...
Package cairo was not found in the pkg-config search path. Node j.s install canvas issue
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Had the same problem and @Epistemex's link helped me troubleshoot it.
... You need to install libcairo2-dev, libjpeg-dev and libgif-dev packages ...
sudo apt-get install libcairo2-dev libjpeg-dev libgif-dev
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How can I find the latitude and longitude from address?
...s the "java.io.IOException service not available"
– Kandha
Aug 26 '10 at 13:02
3
You need the rig...
Why do we need virtual functions in C++?
I'm learning C++ and I'm just getting into virtual functions.
26 Answers
26
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Kill a postgresql session/connection
... pg_backend_pid()
-- don't kill the connections to other databases
AND datname = 'database_name'
;
Before executing this query, you have to REVOKE the CONNECT privileges to avoid new connections:
REVOKE CONNECT ON DATABASE dbname FROM PUBLIC, username;
If you're using Postgres 8....
Intellij shortcut to convert code to upper or lower case?
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Ctrl + Shift + U
In the future try typing: Ctrl + Shift + A and look for any actions you like. Here: Toggle Case.
Or ⌘ Command + Shift + U if you are using Mac OSX.
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
I installed LAMP on Ubuntu 12.04 LTS (Precise Pangolin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get:
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