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How do you diff a directory for only files of a specific type?
...le1 PATH1/ PATH2/
For example:
find PATH1/ -type f | grep --text -vP "php$|html$" | sed 's/.*\///' | sort -u > file1
diff PATH1/ PATH2/ -rq -X file1
share
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Why shouldn't I use “Hungarian Notation”?
... but that would incur a huge overhead for dynamic languages (Python, Ruby, PHP or Javascript).
– too much php
Dec 29 '08 at 3:45
22
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Java - removing first character of a string
...u are actually creating a new string with all the overhead implied (memory allocation and garbage collection). So if you want to make a series of modifications to a string and care only about the final result (the intermediate strings will be dead as soon as you 'modify' them), it may make more sen...
Produce a random number in a range using C#
... Darrelk answer.
It is implemented using C# extension methods.
It does not allocate memory (new Random()) every time this method is called.
public static class RandomExtensionMethods
{
public static double NextDoubleRange(this System.Random random, double minNumber, double maxNumber)
{
...
Unexpected Caching of AJAX results in IE8
...try to request the homepage in IE 8, with a call to /. Change it to /index.php or whatever the full url might be. Or add some fake params yourself like /?f=f
– Hugo Delsing
Jul 9 '13 at 14:14
...
Bogus foreign key constraint fail
...
On demand, now as an answer...
When using MySQL Query Browser or phpMyAdmin, it appears that a new connection is opened for each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query, eg.
SET FOREIGN_KEY_CHECKS=0;
DROP TABLE my_first_...
Stop LastPass filling out a form
...
Per the link provided in the answer (lastpass.com/support.php?cmd=showfaq&id=10512) , LP only prevents the icon from being displayed on that field
– Kunal
Nov 16 '18 at 0:39
...
ReactJS: Modeling Bi-Directional Infinite Scrolling
...ay of all children. Since we do not render them, it's really cheap to just allocate them and discard them. If 10k allocations is too big, you can instead pass a function that takes a range and return the elements.
<List>
{thousandelements.map(function() { return <Element /> })}
</L...
How to show the loading indicator in the top status bar
...l;
dispatch_once(&pred, ^{
shared = [[RMActivityIndicator alloc] init];
});
return shared;
}
@end
Example:
[[RMActivityIndicator sharedManager]increaseActivity];
[NSURLConnection sendAsynchronousRequest:urlRequest queue:self.networkReceiveProcessQueue completionH...
How to initialize an array in Java?
...
When you create an array of size 10 it allocated 10 slots but from 0 to 9.
This for loop might help you see that a little better.
public class Array {
int[] data = new int[10];
/** Creates a new instance of an int Array */
public Array() {
fo...