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virtualenv --no-site-packages and pip still finding global packages?
I was under the impression that virtualenv --no-site-packages would create a completely separate and isolated Python environment, but it doesn't seem to.
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A CSS selector to get last visible div
A tricky CSS selector question, don't know if it's even possible.
10 Answers
10
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mysql error 1364 Field doesn't have a default values
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Set a default value for Created_By (eg: empty VARCHAR) and the trigger will update the value anyways.
create table try (
name varchar(8),
CREATED_BY varchar(40) DEFAULT '' not null
);
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How do I assign an alias to a function name in C++?
It's easy to create a new name for a type, a variable or a namespace. But how do I assign a new name to a function? For example, I want to use the name holler for printf . #define is obvious... any other way?
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How can I run a program from a batch file without leaving the console open after the program starts?
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You can use the exit keyword. Here is an example from one of my batch files:
start myProgram.exe param1
exit
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Redirect all output to file [duplicate]
I know that in Linux, to redirect output from the screen to a file, I can either use the > or tee . However, I'm not sure why part of the output is still output to the screen and not written to the file.
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How can I use swift in Terminal?
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sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer
then you can do one of these:
xcrun swift
lldb --repl
As of Xcode 6.1 - typing swift in the terminal launches the REPL as well.
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What does “while True” mean in Python?
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while True means loop forever. The while statement takes an expression and executes the loop body while the expression evaluates to (boolean) "true". True always evaluates to boolean "true" and thus executes the loop body indefinitely. It's an i...
psql: FATAL: role “postgres” does not exist
I'm a postgres novice.
18 Answers
18
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MongoDB - admin user not authorized
...l this on Linux with MongoDB 2.6.1.
My mongod.conf file is in the old compatibility format
(this is how it came with the installation).
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