大约有 10,000 项符合查询结果(耗时:0.0261秒) [XML]
Vim search and replace selected text
...know customization is a strength, but I don't want to copy-paste a complex script into my vimrc and puzzle through how it fits together for a problem as simple as this. This answer taught me that ctrl-R dumps a register, which will be handy to remember in other contexts.
– nive...
Truncating all tables in a Postgres database
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FrustratedWithFormsDesigner is correct, PL/pgSQL can do this. Here's the script:
CREATE OR REPLACE FUNCTION truncate_tables(username IN VARCHAR) RETURNS void AS $$
DECLARE
statements CURSOR FOR
SELECT tablename FROM pg_tables
WHERE tableowner = username AND schemaname = 'publi...
Unit test, NUnit or Visual studio?
...utOfMemoryExceptions and other instability problems. We run the tests from scripts. It would be easy to view test results in Visual Studio, but when the solution is open, VS crashes (every time). So we need to search the failing tests using text search. There is no advantage of an integrated tool an...
How to set environment variable for everyone under my linux system?
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Scripts are not used for ROOT user.
– Val
Jul 26 '14 at 7:36
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Callback after all asynchronous forEach callbacks are completed
...lt;/div>");
console.log("ALL ACTIONS ARE DONE");
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="toto">
</div>
shar...
How do I check if a variable exists?
...cending speech. Some of us use Python for simple mathematics or statistics scripts using IDEs such as Spyder which work like Matlab. It makes sense sometimes in those environments to allow the user to define variables in the global console and check otherwise if they are undeclared in the script lik...
Why is “import *” bad?
...thing as innocent as alphabetizing your import statements could break your script when a former casualty of the import war becomes the sole survivor. (Even if your script works now and never changes, it could suddenly fail sometime later if the imported module introduces a new name that replaces on...
Python exit commands - why so many and when should each be used?
It seems that python supports many different commands to stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit()
...
How to delete and replace last line in the terminal using bash?
...intf "Yet another one"
sleep 1
tput rc;tput el
Here's a little countdown script to play with:
#!/bin/bash
timeout () {
tput sc
time=$1; while [ $time -ge 0 ]; do
tput rc; tput el
printf "$2" $time
((time--))
sleep 1
done
tput rc; tput ed;
}
timeout...
Portable way to get file size (in bytes) in shell?
...did that on a full hard disk. It was slow enough that I could re-write the script before the first one finished, came here to remember how I did it lol.
– Camilo Martin
Jul 27 '12 at 13:43
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