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Getting individual colors from a color map in matplotlib
...call the cmap object you have.
import matplotlib
cmap = matplotlib.cm.get_cmap('Spectral')
rgba = cmap(0.5)
print(rgba) # (0.99807766255210428, 0.99923106502084169, 0.74602077638401709, 1.0)
For values outside of the range [0.0, 1.0] it will return the under and over colour (respectively). This...
With arrays, why is it the case that a[5] == 5[a]?
...ould make some situations associative which presently aren't, e.g. 3U+(UINT_MAX-2L) would equal (3U+UINT_MAX)-2. What would be best, though, is for the language to have add new distinct types for promotable integers and "wrapping" algebraic rings, so that adding 2 to a ring16_t which holds 65535 wo...
How do I allow HTTPS for Apache on localhost?
...nabled - there should be no hash at the start of this line:
LoadModule ssl_module modules/mod_ssl.so
Some Apache installations place the SSL config in a separate file. If so, ensure that the SSL conf file is being included. In my case I had to uncomment this line:
Include conf/extra/httpd-ssl....
Javascript: Extend a Function
...ook like this:
function init(){
doSomething();
}
//anytime later
var old_init = init;
init = function() {
old_init.apply(this, arguments);
doSomethingHereToo();
};
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How does this site infecting script work?
...g how to protect if you know their backdoors. I changed forms and reading $_POST and $_GET with replacing <> and http:// etc.
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Prepend a level to a pandas MultiIndex
...to the columns by adding axis=1, since the df.columns doesn't have the "set_index" method like the index, which always bugs me.
– Rutger Kassies
Feb 10 '17 at 12:32
2
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Advantage of switch over if-else statement
...he clearest code is probably:
if (RequiresSpecialEvent(numError))
fire_special_event();
Obviously this just moves the problem to a different area of the code, but now you have the opportunity to reuse this test. You also have more options for how to solve it. You could use std::set, for exa...
How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)
...compressor:
module.exports = function(grunt) {
var exec = require('child_process').exec;
grunt.registerTask('cssmin', function() {
var cmd = 'java -jar -Xss2048k '
+ __dirname + '/../yuicompressor-2.4.7.jar --type css '
+ grunt.template.process('/css/style.css') + ' -o '
...
Advantages of std::for_each over for loop
Are there any advantages of std::for_each over for loop? To me, std::for_each only seems to hinder the readability of code. Why do then some coding standards recommend its use?
...
How to unset a JavaScript variable?
...ed.
(1) If it is created with var, it cannot be deleted.
For example:
var g_a = 1; //create with var, g_a is a variable
delete g_a; //return false
console.log(g_a); //g_a is still 1
(2) If it is created without var, it can be deleted.
g_b = 1; //create without var, g_b is a property
delete g_b; /...