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How do I preview emails in Rails?
...iables the template expects.
This could be done with fixtures, but I typically prefer to just grab some pseudo-random real data. Remember - this is NOT a unit test - this is purely a development aid. It doesn't need to produce the same result every single time - in fact - it's probably better if ...
Coding Style Guide for node.js apps? [closed]
...=
Always declare your variables with var in the appropriate scope - don't fallback to the global scope
Wrap your app in a closure (function(){})() if you plan on releasing code that runs server-side as well as in the browser
Callbacks should take err as the first argument and if they themselves take...
Where can I find the error logs of nginx, using FastCGI and Django?
... For an answer on how to look. I was looking for logs from a different installation of nginx and it wasn't in the top answer.
– Robert Dundon
Dec 9 '16 at 15:23
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Assigning default values to shell variables with a single command in bash
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Very close to what you posted, actually:
FOO=${VARIABLE:-default} # If variable not set or null, use default.
Or, which will assign default to VARIABLE as well:
FOO=${VARIABLE:=default} # If variable not set or null, set it to default.
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How to do something to each file in a directory with a batch script
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Another way:
for %f in (*.mp4) do call ffmpeg -i "%~f" -vcodec copy -acodec copy "%~nf.avi"
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Error 5 : Access Denied when starting windows service
...essage when something faulted the service. Check the Event Viewer (specifically the 'Windows Logs > Application') for the real error message.
In my case, it was a bad service configuration setting in app.config.
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How to draw circle in html page?
...have a higher chance of it looking the same on different systems since not all computers/browsers have the same fonts installed.
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How to center absolute div horizontally using CSS?
I've a div and want it to be centered horizontally - although I'm giving it margin:0 auto; it's not centered...
8 Answers...
I change the capitalization of a directory and Git doesn't seem to pick up on it
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You're probably using case insensitive (but case preserving) HFS+. I usually work round this like so:
$ git mv somename tmpname
$ git mv tmpname SomeName
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How to pop an alert message box using PHP?
... send to the client's browser. PHP is a server-side language. This is what allows it do things like INSERT something into a database on the server.
But an alert is rendered by the browser of the client. You would have to work through javascript to get an alert.
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