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How do I setup a SSL certificate for an express.js server?
...correct signature. connect() is simply an alias for connect.createServer() and therefore so is express() (which probably does some extra initialization, but the result is still a function appropriate for use as a request handler).
– ebohlman
Aug 6 '12 at 1:08
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Inject errors into already validated form?
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Form._errors can be treated like a standard dictionary. It's considered good form to use the ErrorList class, and to append errors to the existing list:
from django.forms.utils import ErrorList
errors = form._errors.setdefault("myfield", ErrorList())
errors.app...
What are the differences between a multidimensional array and an array of arrays in C#?
What are the differences between multidimensional arrays double[,] and array-of-arrays double[][] in C#?
9 Answers
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Saving a Numpy array as an image
...yPNG. It's a pure Python (no dependencies) open source PNG encoder/decoder and it supports writing NumPy arrays as images.
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Why is parenthesis in print voluntary in Python 2.7?
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In Python 2.x print is actually a special statement and not a function*.
This is also why it can't be used like: lambda x: print x
Note that (expr) does not create a Tuple (it results in expr), but , does. This likely results in the confusion between print (x) and print (x, ...
Installing Java 7 on Ubuntu
... like to install java manually.
I placed the folder of the JDK on the desk and I set environment variables (PATH, CLASSPATH and JAVA_HOME).
From the terminal, if I type java -version I get printed
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Django: Get model from string?
...model(model_name). AppConfig objects are intended for a different purpose, and require you to create an AppConfig instance in order to call get_model().
– zlovelady
Nov 24 '17 at 4:51
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How to check a radio button with jQuery?
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@Installero actually, prep is correct since 1.6, and required since 1.9.
– John Dvorak
Apr 29 '13 at 7:25
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How do I parallelize a simple Python loop?
...like concurrent.futures for this, available in Python3 since version 3.2 - and via backport to 2.6 and 2.7 on PyPi.
You can use threads or processes and use the exact same interface.
Multiprocessing
Put this in a file - futuretest.py:
import concurrent.futures
import time, random #...
How to make URL/Phone-clickable UILabel?
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You can use a UITextView and select Detection for Links, Phone Numbers and other things in the inspector.
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