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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...
Read each line of txt file to new array element
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If you don't need any special processing, this should do what you're looking for
$lines = file($filename, FILE_IGNORE_NEW_LINES);
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How to find the array index with a value?
...a.org/en/JavaScript/Reference/Global_Objects/… or any Javascript framework to fix that.
– voigtan
Sep 8 '11 at 10:55
1
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Removing items from a list [duplicate]
While looping through a list, I would like to remove an item of a list depending on a condition. See the code below.
6 Answ...
How do you add multi-line text to a UIButton?
...ove, use the following to allow multiple lines:
button.titleLabel.lineBreakMode = NSLineBreakByWordWrapping;
// you probably want to center it
button.titleLabel.textAlignment = NSTextAlignmentCenter; // if you want to
[button setTitle: @"Line1\nLine2" forState: UIControlStateNormal];
For iOS 5 a...
How to read an external properties file in Maven
Does anyone know how to read a x.properties file in Maven. I know there are ways to use resource filtering to read a properties file and set values from that, but I want a way in my pom.xml like:
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Custom Compiler Warnings
...od/property is obsolete and somthing else should be used. I'm currently working on a project that requires a lot of refactoring an ex-employees code. I want to write a custom attribute that I can use to mark methods or properties that will generate compiler warnings that give messages that I write. ...
Python and pip, list all versions of a package that's available?
Given the name of a Python package that can be installed with pip , is there any way to find out a list of all the possible versions of it that pip could install? Right now it's trial and error.
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How to remove the querystring and get only the url?
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You can use strtok to get string before first occurence of ?
$url = strtok($_SERVER["REQUEST_URI"], '?');
strtok() represents the most concise technique to directly extract the substring before the ? in the querystring. explode() is less ...
Is there a way to create multiline comments in Python?
...ouldn't find how to implement multi-line comments. Most languages have block comment symbols like
23 Answers
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