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Can I use Class.newInstance() with constructor arguments?
I would like to use Class.newInstance() but the class I am instantiating does not have a nullary constructor. Therefore I need to be able to pass in constructor arguments. Is there a way to do this?
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Evenly distributing n points on a sphere
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In this example code node[k] is just the kth node. You are generating an array N points and node[k] is the kth (from 0 to N-1). If that is all that is confusing you, hopefully you can use that now.
(in other words, k is an array of size N that is def...
how to use sed, awk, or gawk to print only what is matched?
I see lots of examples and man pages on how to do things like search-and-replace using sed, awk, or gawk.
11 Answers
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Deleting all files from a folder using PHP?
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foreach($files as $file){ // iterate files
if(is_file($file))
unlink($file); // delete file
}
If you want to remove 'hidden' files like .htaccess, you have to use
$files = glob('path/to/temp/{,.}*', GLOB_BRACE);
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ImportError: No module named six
... edited Jan 5 '14 at 2:39
Uli Köhler
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answered Dec 20 '12 at 8:19
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Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
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How do I use PHP to get the current year?
I want to put a copyright notice in the footer of a web site, but I think it's incredibly tacky for the year to be out-of-date. How would I make the year update automatically with PHP 4 and PHP 5 ?
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Adding a newline into a string in C#
...ment.NewLine whenever you want in any string. An example:
string text = "fkdfdsfdflkdkfk@dfsdfjk72388389@kdkfkdfkkl@jkdjkfjd@jjjk@";
text = text.Replace("@", "@" + System.Environment.NewLine);
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How to declare array of zeros in python (or an array of a certain size) [duplicate]
I am trying to build a histogram of counts... so I create buckets.
I know I could just go through and append a bunch of zeros i.e something along these lines:
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Read specific columns from a csv file with csv module?
... you don't include your print statement in your for loop.
This is most likely the end of your code:
for row in reader:
content = list(row[i] for i in included_cols)
print content
You want it to be this:
for row in reader:
content = list(row[i] for i in included_cols)
print ...