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Generating a PNG with matplotlib when DISPLAY is undefined
...st trying to import pyplot, you need to import matplotlib first, call use, and than import pyplot.
– seaotternerd
Nov 8 '13 at 9:15
8
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Early exit from function?
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I know this is an old post, and this is common practice BUT I think this is a bad solution. If the function is SUPPOSED to return a value, you should use return. If you just blindly use return you might run into problems later. Especially if you start b...
Cannot find module cv2 when using OpenCV
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First do run these commands inside Terminal/CMD:
conda update anaconda-navigator
conda update navigator-updater
Then the issue for the instruction below will be resolved
For windows if you have anaconda installed, you can simply do
pip install...
Removing the fragment identifier from AngularJS urls (# symbol)
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Yes, you should configure $locationProvider and set html5Mode to true:
angular.module('phonecat', []).
config(['$routeProvider', '$locationProvider', function($routeProvider, $locationProvider) {
$routeProvider.
when('/phones', {templateUrl: 'partials/pho...
How can I show hidden files (starting with period) in NERDTree?
...den=1
For more detail, access the NERDTree help file :help NERD_tree.txt and search for "hidden".
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CSS: 100% font size - 100% of what?
There are many articles and questions about percentage-sized vs other-sized fonts. However, I can not find out WHAT the reference of the percent-value is supposed to be. I understand this is 'the same size in all browsers'. I also read this, for instance:
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How to document Python code with doxygen [closed]
...o create documentation of C or PHP code. I have an upcoming Python project and I think I remember that Python doesn't have /* .. */ comments, and also has its own self-documentation facility which seems to be the pythonic way to document.
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bower automatically update bower.json
I run the following commands using bower 1.0.0:
1 Answer
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Is it not possible to stringify an Error using JSON.stringify?
...toJSON() may not be defined for Errors specifically, the method is still standardized for objects in general (ref: step 3). So, the risk of collisions or conflicts is minimal.
Though, to still avoid it completely, JSON.stringify()'s replacer parameter can be used instead:
function replaceErrors(ke...
What is the optimal length for user password salt? [closed]
Any salt at all will obviously help when salting and hashing a user's password. Are there any best practices for how long the salt should be? I'll be storing the salt in my user table, so I would like the best tradeoff between storage size and security. Is a random 10 character salt enough? Or ...