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How to automatically add user account AND password with a Bash script?
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I was asking myself the same thing, and didn't want to rely on a Python script.
This is the line to add a user with a defined password in one bash line:
useradd -p $(openssl passwd -crypt $PASS) $USER
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HTML text input field with currency symbol
... this:
input {
width: 85px;
background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' version='1.1' height='16px' width='85px'><text x='2' y='13' fill='gray' font-size='12' font-family='arial'>$</text></svg>");
padding-left: 12px;
}
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Character Limit in HTML
...n. That's why it's far better to check it on the server side, with a PHP / Python / whatever script.
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How do I sort an array of hashes by a value in the hash?
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Ruby's sort doesn't sort in-place. (Do you have a Python background, perhaps?)
Ruby has sort! for in-place sorting, but there's no in-place variant for sort_by in Ruby 1.8. In practice, you can do:
sorted = sort_me.sort_by { |k| k["value"] }
puts sorted
As of Ruby 1.9+, .so...
Double not (!!) operator in PHP
...alue the language assigns to the result of any expression. For example, in Python:
>>> not not []
False
>>> not not [False]
True
It can be convenient in places where you want to reduce a complex value down to something like "is there a value at all?".
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How to delete a record in Django models?
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Not the answer you're looking for? Browse other questions tagged python django django-models or ask your own question.
Hand Coded GUI Versus Qt Designer GUI [closed]
...nly generate code, but you can dynamically load in your Designer files (in xml) and dynamically connect them to the running objects in your program -- no generated code however, you do have to name the items in Designer and stick with the names to not break your code.
My assessment is that it's now...
How to force a web browser NOT to cache images
...me on the server.
Generate time by Javascript with performance.now() or by Python with time.time()
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Read file data without saving it in Flask
... file
<html>
<head>
<title>Simple file upload using Python Flask</title>
</head>
<body>
{% if filestring %}
<h1>Raw image:</h1>
<h1>{{filestring}}</h1>
<img src="data:image/png;base64, {{filestring}}" alt="alte...
Angular js init ng-model from default values
...pt these days, and it's much more efficient for a server just to host JSON/XML data to JavaScript apps than it is to render every single page on the server. It offsets a lot of the work to the client's machine rather than having the server take the hit. Not to mention it saves on bandwidth. To top i...