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How to simulate the environment cron executes a script with?
...e, turn it back off, then run
env - `cat ~/cronenv` /bin/sh
And you are now inside a sh session which has cron's environment
Bring your environment to cron
You could skip above exercise and just do a . ~/.profile in front of your cron job, e.g.
* * * * * . ~/.profile; your_command
Use screen
...
Tab Vs Space preferences in Vim
...tab(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 summarizes the current settings, which I have mapped to ctrl-Tab:
nmap <C-Tab> :call TabP...
How to round an average to 2 decimal places in PostgreSQL?
...
For those trying to find the comment by @Catcall : now it is Mike Sherrill 'Cat Recall'
– 18446744073709551615
Apr 7 '16 at 7:35
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Visual Studio: How to “Copy to Output Directory” without copying the folder structure?
...jectDir)\Lib, but add those files "As a link" to the root of your .csproj. Now they will get copied to bin\Debug (or whatever other output folder) without being in lib.
EDIT: This answer was written way back when ContentWithTargetPath was not available in the versions of VS/MSBuild I was using. Lea...
What is the easiest way to duplicate an activerecord record?
...initely DO NOT use clone. As other posters have mentioned the clone method now delegates to using Kernel#clone which will copy the id. Use ActiveRecord::Base#dup from now on
– bradgonesurfing
Aug 5 '11 at 13:57
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Handling specific errors in JavaScript (think exceptions)
...nder === "unspecific") {
unspecificHandler(e);
}
catch (e) {
// don't know what to do
throw e;
}
This gives something more akin to typed exception handling used in Java, at least syntactically.
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Redirecting EC2 Elastic Load Balancer from HTTP to HTTPS
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AWS Application Load Balancers now support native HTTP to HTTPS redirect.
To enable this in the console, do the the following:
Go to your Load Balancer in EC2 and tab "Listeners"
Select "View/edit rules" on your HTTP listener
Delete all rules except for...
What's the difference between ViewData and ViewBag?
...icrosoft for introducing this? It just a tool given to developers. If you know what you are doing, you can make the most out of it. If you don't like it or feel like its more prone to errors, simply don't use it. :)
– Bilal Fazlani
Mar 15 '15 at 9:19
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Convert Python program to C/C++ code? [closed]
...until 0.9.5 (included), Pythran was supporting Python 3 and Python 2.7. It now only supports Python 3."
– Make42
Aug 24 at 17:12
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How do I test if a variable is a number in Bash?
... such contexts, you don't need to shopt extglob... that's a good thing to know!
– gniourf_gniourf
Feb 13 '15 at 19:49
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