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How to atomically delete keys matching a pattern using Redis
...Ray frankly, if you need that feature you should simply partition the data by numetic database or server, and use flush / flushdb
– Marc Gravell♦
Oct 26 '14 at 16:45
11
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How to kill a child process after a given timeout in Bash?
...take the pid of the calling shell but the (first) subshell that is started by (). The (sleep... thing calls a second subshell within the first subshell to wait 10 secs in the background and kill the first subshell which, after having launched the killer subshell process, proceeds to execute its work...
When increasing the size of VARCHAR column on a large table could there be any problems?
... imageUploader: {
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What are the differences between double-dot “..” and triple-dot “…” in Git commit ranges?
...at are reachable
from r2 excluding those that are
reachable from r1 by "^r1 r2" and it
can be written as "r1..r2".
A similar notation "r1...r2" is
called symmetric difference of r1 and
r2 and is defined as "r1 r2 --not
$(git merge-base --all r1 r2)". It is
the set of c...
Strange \n in base64 encoded string in Ruby
The inbuilt Base64 library in Ruby is adding some '\n's. I'm unable to find out the reason. For this special example:
6 Ans...
Tab Vs Space preferences in Vim
...top = a:value
endfunc
If I put this in my .vimrc file, I can call it by running :call Stab(X), where X is the desired tab width. This is an adequate solution for now, but if anyone can suggest a way of making it easier to call I would be grateful.
I've also created a function that quickly sum...
How to programmatically display version/build number of target in iOS app?
...
In Xcode you can auto-increment the build number as a decimal number by placing the following in the Run script build phase in the project settings
#!/bin/bash
buildNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "$INFOPLIST_FILE")
buildNumber=$(($buildNumber + 1))
/usr/libe...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
...r< can be quite cumbersome, I thought of circumventing this whole mess by just relying on the operations defined for tuple :
...
“Delegate subtraction has unpredictable result” in ReSharper/C#?
...walk next to the pit where there is a chance you may miss it is considered by some to be jarring and warrants a sign saying PIT OF SUCCESS IS THAT WAY --->.
– Allon Guralnek
Jun 24 '12 at 20:01
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How can I push a local Git branch to a remote with a different name easily?
...es to their upstreams (which is the same that pull will pull from, defined by branch.newb.merge), rather than pushing branches to ones matching in name (which is the default setting for push.default, matching).
git config push.default upstream
Note that this used to be called tracking not upstrea...