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What's the difference between “groups” and “captures” in .NET regular expressions?
...r the above, nor what's said in the other post really seems to answer your question, consider the following. Think of Captures as a kind of history tracker. When the regex makes his match, it goes through the string from left to right (ignoring backtracking for a moment) and when it encounters a mat...
Manipulating an Access database from Java without ODBC
...s databases without using ODBC. It uses two other packages, Jackcess and HSQLDB, to perform these tasks. The following is a brief overview of how to get it set up.
Option 1: Using Maven
If your project uses Maven you can simply include UCanAccess via the following coordinates:
groupId: net.sf...
Finding row index containing maximum value using R
...
See ?order. You just need the last index (or first, in decreasing order), so this should do the trick:
order(matrix[,2],decreasing=T)[1]
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How to get item's position in a list?
I am iterating over a list and I want to print out the index of the item if it meets a certain condition. How would I do this?
...
How can I get the line number which threw exception?
...
{
var lineNumber = 0;
const string lineSearch = ":line ";
var index = ex.StackTrace.LastIndexOf(lineSearch);
if (index != -1)
{
var lineNumberText = ex.StackTrace.Substring(index + lineSearch.Length);
if (int.TryParse(lineNumberText, out lineNumber))
{
...
Get domain name from given url
...URL("http://example.com:80/docs/books/tutorial"
+ "/index.html?name=networking#DOWNLOADING");
System.out.println("protocol = " + aURL.getProtocol()); //http
System.out.println("authority = " + aURL.getAuthority()); //example.com:80
System.out.println("host = " + a...
Way to ng-repeat defined number of times instead of repeating over array?
... function needed):
<li ng-repeat="x in [].constructor(number) track by $index">
<span>{{ $index+1 }}</span>
</li>
$scope.number = 5;
This was not possible at the time the question was first asked. Credit to @Nikhil Nambiar from his answer below for this update
Origina...
How to get the index of a maximum element in a numpy array along one axis
...>>> a = np.array([[1,2,3],[4,3,1]])
>>> i,j = np.unravel_index(a.argmax(), a.shape)
>>> a[i,j]
4
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How can I find the data structure that represents mine layout of Minesweeper in memory?
...gging, there's a wealth of tutorials here:
http://memoryhacking.com/forums/index.php
Also, download CheatEngine (mentioned by Nick D.) and work through the tutorial it comes with.
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#1071 - Specified key was too long; max key length is 767 bytes
...een increased to 3072 bytes.
You also have to be aware that if you set an index on a big char or varchar field which is utf8mb4 encoded, you have to divide the max index prefix length of 767 bytes (or 3072 bytes) by 4 resulting in 191. This is because the maximum length of a utf8mb4 character is fo...