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Memcached vs. Redis? [closed]
...edis will often prove to be the best and most simple tool for the job.
Lua Scripting
You can kind of think of lua scripts like redis's own SQL or stored procedures. It's both more and less than that, but the analogy mostly works.
Maybe you have complex calculations you want redis to perform. Maybe y...
How do I detect when someone shakes an iPhone?
...milar (in iPhone OS 3.0+), only in my case I wanted it app-wide so I could alert various parts of the app when a shake occurred. Here's what I ended up doing.
First, I subclassed UIWindow. This is easy peasy. Create a new class file with an interface such as MotionWindow : UIWindow (feel free to pi...
How can I do division with variables in a Linux shell?
...will be:
x=20; y=3;
calc $x/$y
or if you prefer, add this as a separate script and make it available in $PATH so you will always have it in your local shell:
#!/bin/bash
calc(){ awk "BEGIN { print $* }"; }
share
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Groovy executing shell commands
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It is not working with Bourn Again Shell script !#/bin/bash,
– Rashmi Jain
Nov 19 '18 at 8:13
1
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RVM is not a function, selecting rubies with 'rvm use …' will not work
...f course you will need the following in your ~/.profile [[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"
– nadersoliman
Sep 3 '14 at 4:30
3
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How to check if a file is empty in Bash?
....txt
else
rm -f full.txt
touch empty.txt
fi
I like shell scripting a lot, but one disadvantage of it is that the shell cannot help you when you misspell, whereas a compiler like your C++ compiler can help you.
Notice incidentally that I have swapped the roles of empty.txt and full...
How to create a database from shell command?
...
@Clifford: you could using simple (ba)sh script using normal shell arguments. (stackoverflow.com/questions/23563043/shell-script-arguments) Probably merits its own question.
– Kris
Mar 11 '16 at 20:42
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How to store a dataframe using Pandas
...now I'm importing a fairly large CSV as a dataframe every time I run the script. Is there a good solution for keeping that dataframe constantly available in between runs so I don't have to spend all that time waiting for the script to run?
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What is the `sensor` parameter for in the Google Places API?
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developers.google.com/maps/documentation/javascript/…
– Devz
Mar 10 '16 at 13:38
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Rails 4: assets not loading in production
...are requested, they are processed by the processors provided by the coffee-script and sass-rails gems and then sent back to the browser as JavaScript and CSS respectively.
– Rameshwar Vyevhare
Sep 1 '14 at 16:27
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