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Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
...uld be AllDirectories or TopDirectoryOnly</param>
/// <returns>Array of FileInfo objects that presents collection of file names that
/// meet given filter</returns>
public string[] getFiles(string SourceFolder, string Filter,
System.IO.SearchOption searchOption)
{
// ArrayList ...
Relationship between SciPy and NumPy
...s the feeling I get about it: NumPy is meant to be a library for numerical arrays, to be used by anybody needing such an object in Python. SciPy is meant to be a library for scientists/engineers, so it aims for more rigourous theorethical mathematics (thus including complex number version of log10 a...
byte[] to hex string [duplicate]
...But the speed can be improved with algorithms like Nathan Moinvaziri's ByteArrayToHexString or Kurt's ToHex.
I also found it interesting that string.Concat and string.Join are much slower than StringBuilder implementations for long strings, but similar for shorter arrays. Probably due to expanding...
Remove new lines from string and replace with one empty space
... this one, although the code doesn't look as clean:
$string = str_replace(array("\n", "\r"), '', $string);
See it live on ideone
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Split string with dot as delimiter
... of text like in a,b,c,, (where delimiter is ,) split at first will create array like ["a" "b" "c" "" ""] but since in most cases we don't really need these trailing empty strings it also removes them automatically for us. So it creates another array without these trailing empty strings and returns ...
Postgresql GROUP_CONCAT equivalent?
...s is probably a good starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you have to...
Best implementation for hashCode method for a collection
...he result of the hashCode() method or 0 if f == null;
If the field f is an array: see every field as separate element and calculate the hash value in a recursive fashion and combine the values as described next.
Combine the hash value c with result:
result = 37 * result + c
Return result
This s...
how to delete all cookies of my website in php
...he HTTP_COOKIE value would be any better than looping through the $_COOKIE array. Do you have any reason for that? To me it only looks like more (double) work for the parser.
– poke
Feb 22 '10 at 12:24
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Parsing JSON Object in Java [duplicate]
...{interestKey:Dogs}, {interestKey:Cats}]}");
List<String> list = new ArrayList<String>();
JSONArray array = obj.getJSONArray("interests");
for(int i = 0 ; i < array.length() ; i++){
list.add(array.getJSONObject(i).getString("interestKey"));
}
...
Convert NSArray to NSString in Objective-C
I am wondering how to convert an NSArray [@"Apple", @"Pear ", 323, @"Orange"] to a string in Objective-C .
9 Answers
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