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Test if a variable is set in bash when using “set -o nounset”
...ends up being an empty string if WHATEVER is not set. We're using the {param>me m>ter:-word} expansion, which you can look up in man bash under "Param>me m>ter Expansion".
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Minimal web server using netcat
...example below, but eventually it'll be a python or c program that yields som>me m> data).
My little netcat web server needs to be a while true loop in bash, possibly as simple as this:
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How do you set your pythonpath in an already-created virtualenv?
What file do I edit, and how? I created a virtual environm>me m>nt.
6 Answers
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Laravel Schema onDelete set null
...figure out how to set proper onDelete constraint on a table in Laravel. (I'm working with SqLite)
4 Answers
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How can I check the syntax of Python script without executing it?
I used to use perl -c programfile to check the syntax of a Perl program and then exit without executing it. Is there an equivalent way to do this for a Python script?
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How does Trello access the user's clipboard?
...s the user's clipboard", instead we help the user out a bit by selecting som>me m>thing useful when they press Ctrl+C.
Sounds like you've figured it out; we take advantage of the fact that when you want to hit Ctrl+C, you have to hit the Ctrl key first. When the Ctrl key is pressed, we pop in a textare...
What is the precise m>me m>aning of “ours” and “theirs” in git?
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I suspect you're confused here because it's fundam>me m>ntally confusing. To make things worse, the whole ours/theirs stuff switches roles (becom>me m>s backwards) when you are doing a rebase.
Ultimately, during a git m>me m>rge, the "ours" branch refers to the branch you're m>me m>rging int...
Creating a config file in PHP
...n array:
<?php
return array(
'host' => 'localhost',
'usernam>me m>' => 'root',
);
And then:
$configs = include('config.php');
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How do I add a ToolTip to a control?
I have som>me m> controls that I would like to display a ToolTip for when the mouse is hovering over it. How can I do this? I would like to know how to do this properly in code, but also in the designer (There is a ToolTip component in the toolbox, but I don't quite.. get it).
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How do I create a MongoDB dump of my database?
What command do I use and run?
19 Answers
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