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Create an index on a huge MySQL production table without table locking
... MySQL is really, really stupid about this (and a few other things).
Test Script:
(
for n in {1..50}; do
#(time mysql -uroot -e 'select * from website_development.users where id = 41225\G'>/dev/null) 2>&1 | grep real;
(time mysql -uroot -e 'update website_development.users ...
How to redirect output to a file and stdout
... what most people are looking for. The likely situation is some program or script is working hard for a long time and producing a lot of output. The user wants to check it periodically for progress, but also wants the output written to a file.
The problem (especially when mixing stdout and stderr s...
A Windows equivalent of the Unix tail command [closed]
...d it's easier for me to use a workaround: I'm just going to write a simple script that does a tail :)
– Alphaaa
Apr 24 '13 at 8:31
1
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Multiple simultaneous downloads using Wget?
... be written to wget-log if -o <filename> is not specified. Good for scripting. See wget(1) for more details.
– Paul
Dec 29 '17 at 18:22
add a comment
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Customizing the template within a Directive
...nd I'm pretty sure there's something awfully wrong in generating markup in scripts manually.
– BorisOkunskiy
Apr 28 '15 at 19:58
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show 3 mo...
When do I need to use Begin / End Blocks and the Go keyword in SQL Server?
...
GO is like the end of a script.
You could have multiple CREATE TABLE statements, separated by GO. It's a way of isolating one part of the script from another, but submitting it all in one block.
BEGIN and END are just like { and } in C/++/#, Ja...
Retrieve the commit log for a specific line in a file?
...s no way to "navigate through patches" back in time without some elaborate scripting. I'm hoping that gitk will get this functionality in it's patch view in the future.
– Adam Dymitruk
Dec 8 '11 at 19:50
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Visual Studio 2010 always thinks project is out of date, but nothing has changed
...s is linked from the original article, but just in case:Enable C++ and Javascript project system tracing VS2012
– rmaVT
Dec 28 '12 at 13:24
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Git: Set up a fetch-only remote?
... example hook:
$ cat .git/hooks/pre-push
#!/usr/bin/sh
# An example hook script to limit pushing to a single remote.
#
# This hook is called with the following parameters:
#
# $1 -- Name of the remote to which the push is being done
# $2 -- URL to which the push is being done
#
# If this script ex...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
I need to check a JavaScript array to see if there are any duplicate values. What's the easiest way to do this? I just need to find what the duplicated values are - I don't actually need their indexes or how many times they are duplicated.
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