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Media query to detect if device is touchscreen
What is the safest way, using media queries, to make something happen when not on a touchscreen device? If there is no way, do you suggest using a JavaScript solution such as !window.Touch or Modernizr?
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Generating a random & unique 8 character string using MySQL
I'm working on a game which involves vehicles at some point. I have a MySQL table named "vehicles" containing the data about the vehicles, including the column "plate" which stores the License Plates for the vehicles.
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How to get all columns' names for all the tables in MySQL?
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Nicola CossuNicola Cossu
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How do I get the parent directory in Python?
... answered May 18 '10 at 19:00
kenderkender
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How do I use sudo to redirect output to a location I don't have permission to write to?
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Your command does not work because the redirection is performed by your shell which does not have the permission to write to /root/test.out. The redirection of the output is not performed by sudo.
There are multiple solutions:
Run a shell with sud...
Remove Trailing Slash From String PHP
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Sure it is, simply check if the last character is a slash and then nuke that one.
if(substr($string, -1) == '/') {
$string = substr($string, 0, -1);
}
Another (probably better) option would be using rtrim() - this one removes all trailing sl...
Difference between .on('click') vs .click()
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I think, the difference is in usage patterns.
I would prefer .on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">A...
Why is my program slow when looping over exactly 8192 elements?
...ZE-1;i++)
for(j=1;j<SIZE-1;j++) {
res[j][i]=0;
for(k=-1;k<2;k++)
for(l=-1;l<2;l++)
res[j][i] += img[j+l][i+k];
res[j][i] /= 9;
}
First notice that the two inner loops are trivial. They can be unrolled as follows:
for(i=1;i<SIZ...
How to create a GUID/UUID using iOS
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Olie
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answered Jan 9 '09 at 9:35
Stephan BurlotStep...
Vim delete blank lines
What command can I run to remove blank lines in Vim?
14 Answers
14
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