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Determine version of Entity Framework I am using?
...e are two versions 1 and 2? And version 2 is referred to as Entity Framework 4.0?
10 Answers
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How to search for a string in cell array in MATLAB?
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I guess the following code could do the trick:
strs = {'HA' 'KU' 'LA' 'MA' 'TATA'}
ind=find(ismember(strs,'KU'))
This returns
ans =
2
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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 to calculate the difference between two dates using PHP?
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Use this for legacy code (PHP < 5.3). For up to date solution see jurka's answer below
You can use strtotime() to convert two dates to unix time and then calculate the number of seconds between them. From this it's rather easy to calculate different time periods.
$date1 = "2007-03-24";
$dat...
Joining two lists together
If I have two lists of type string (or any other type), what is a quick way of joining the two lists?
15 Answers
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Get the short Git version hash
...his:
git rev-parse --short HEAD
The command git rev-parse can do a remarkable number of different things, so you'd need to go through the documentation very carefully to spot that though.
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How do I use sudo to redirect output to a location I don't have permission to write to?
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Your command does not work because the redirection is performed by your shell which does not have the permission to write to /root/test.out. The redirection of the output is not performed by sudo.
There are multiple solutions:
Run a shell with sud...
Remove Trailing Slash From String PHP
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Sure it is, simply check if the last character is a slash and then nuke that one.
if(substr($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...