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Can Flask have optional URL parameters?
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Another way is to write
@user.route('/<user_id>', defaults={'username': None})
@user.route('/<user_id>/<username>')
def show(user_id, username):
pass
But I guess that you want to write a single route and mark username as optional? If that's the case,...
Support for “border-radius” in IE
...border-radius, so just make sure you include that in all your styles calling a border radius. Then your site will be ready for IE9.
-moz-border-radius is for Firefox, -webkit-border-radius is for Safari and Chrome.
Furthermore: don't forget to declare your IE coding is ie9:
<meta http-equiv="X...
Random strings in Python
How do you create a random string in Python?
13 Answers
13
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Xcode stuck on Indexing
A project I've been working for 2 months stopped working for no reason because Xcode got stucked on "Indexing". I can't Build the project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project.
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Highlight bash/shell code in markdown
How to highlight the bash/shell commands in markdown files?
7 Answers
7
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String difference in Bash
I'm trying to find a way to determine the difference between two strings in my script. I could easily do this with diff or comm, but I'm not dealing with files and I'd prefer not to output them to files, do the compare and read it back.
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How to combine two strings together in PHP?
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$result = $data1 . $data2;
This is called string concatenation. Your example lacks a space though, so for that specifically, you would need:
$result = $data1 . ' ' . $data2;
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Automatic counter in Ruby for each?
...ferent to "each" (for example, if you want to map with an index or something like that) you can concatenate enumerators with the each_with_index method, or simply use with_index:
blahs.each_with_index.map { |blah, index| something(blah, index)}
blahs.map.with_index { |blah, index| something(blah, ...
Ternary operator (?:) in Bash
Is there a way to do something like this
18 Answers
18
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character showing up in files. How to remove them?
I am doing compressing of JavaScript files and the compressor is complaining that my files have  character in them.
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