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What is the difference between Python's list methods append and extend?
What's the difference between the list methods append() and extend() ?
20 Answers
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What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
...s getRequestURI() gives the complete URI.
I would have thought they would be different, given a Servlet must be configured with its own URI pattern in the first place; I don't think I've ever served a Servlet from root (/).
For example if Servlet 'Foo' is mapped to URI '/foo' then I would have tho...
Fast Bitmap Blur For Android SDK
...lication that I'm developing I'm looping through the pixels of an image to blur it. This takes about 30 seconds on a 640x480 image.
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Best way to merge two maps and sum the values of same key?
I want to merge them, and sum the values of same keys. So the result will be:
15 Answers
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A regular expression to exclude a word/string
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Reverend Homer
522 bronze badges
answered Jan 16 '10 at 21:21
SethSeth
38.3k99 gold badges7979 si...
Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)
When you limit the number of rows to be returned by a SQL query, usually used in paging, there are two methods to determine the total number of records:
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How to automatically convert strongly typed enum into int?
The a::LOCAL_A is what the strongly typed enum is trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast.
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How to split a large text file into smaller files with equal number of lines?
I've got a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being ev...
Python - How to sort a list of lists by the fourth element in each list? [duplicate]
I would like to sort the following list of lists by the fourth element (the integer) in each individual list.
2 Answers
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Java: splitting a comma-separated string but ignoring commas in quotes
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Try:
public class Main {
public static void main(String[] args) {
String line = "foo,bar,c;qual=\"baz,blurb\",d;junk=\"quux,syzygy\"";
String[] tokens = line.split(",(?=(?:[^\"]*\"[^\"]*\")*[^\"]*$)", -1);
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