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Remove all special characters except space from a string using JavaScript
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You can do it specifying the characters you want to remove:
string = string.replace(/[&\/\\#,+()$~%.'":*?<>{}]/g, '');
Alternatively, to change all characters except numbers and letters, try:
string = string.replace(/[^a-zA-Z0-9]...
PHP: How to use array_filter() to filter array keys?
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I'm curious if this is more efficient than my solution though? It's definitely more elegant :)
– GWW
Nov 23 '10 at 19:48
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Warning message: In `…` : invalid factor level, NA generated
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If you are reading directly from CSV file then do like this.
myDataFrame <- read.csv("path/to/file.csv", header = TRUE, stringsAsFactors = FALSE)
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Get the first element of each tuple in a list in Python [duplicate]
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If you don't want to use list comprehension by some reasons, you can use map and operator.itemgetter:
>>> from operator import itemgetter
>>> rows = [(1, 2), (3, 4), (5, 6)]
>>> map(itemgetter(1), ...
Updating a local repository with changes from a GitHub repository
...complained: "You asked to pull from the remote 'origin', but did not specify a branch. Because this is not the default configured remote for your current branch, you must specify a branch on the command line." So I tried "$ git pull origin master" and it worked fine.
– Jua...
setting y-axis limit in matplotlib
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To add to @Hima's answer, if you want to modify a current x or y limit you could use the following.
import numpy as np # you probably alredy do this so no extra overhead
fig, axes = plt.subplot()
axes.plot(data[:,0], data[:,1])
xlim = axes.get_xlim()...
Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...our entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
Entity Framework will return proxy inherited from this entity and ...
What is the best JavaScript code to create an img element
... old versions of KHTML don't create a proper DOM Node with new Image(), so if you want to be fully backwards compatible use something like:
// IEWIN boolean previously sniffed through eg. conditional comments
function img_create(src, alt, title) {
var img = IEWIN ? new Image() : document.creat...
How to correct indentation in IntelliJ
... It is working, but only for lines beginning with *(line comments). If you have a paragraph block comments, with only first line beginning with /* and after last line ending with */, with all intermediate line beginning with text, it does not work, when it also should. So... the logic is a li...
Macro vs Function in C
...le with control-flow constructs:
#define swap(x, y) t = x; x = y; y = t;
if (x < y) swap(x, y); -->
if (x < y) t = x; x = y; y = t; --> if (x < y) { t = x; } x = y; y = t;
The usual strategy for fixing this is to put the statements inside a "do { ... } while (0)" loop.
If you hav...