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svn : how to create a branch from certain revision of trunk
... 'HEAD' latest in repository
'BASE' base rev of item's working copy
'COMMITTED' last commit at or before BASE
'PREV' revision just before COMMITTED
To actually specify this on ...
Convert integer into its character equivalent, where 0 => a, 1 => b, etc
I want to convert an integer into its character equivalent based on the alphabet. For example:
12 Answers
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Read data from SqlDataReader
I have a SQL Server 2008 database and I am working on it in the backend. I am working on asp.net/C#
13 Answers
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How to return an empty ActiveRecord relation?
...t.none.
Neither it, nor chained methods, will generate queries to the database.
According to the comments:
The returned ActiveRecord::NullRelation inherits from
Relation and implements the Null Object pattern. It is an object with
defined null behavior and always returns an empty array of ...
Ways to iterate over a list in Java
... if you do it through the remove method of the iterator itself. With index-based iteration, you are free to modify the list in any way. However, adding or removing elements that come before the current index risks having your loop skipping elements or processing the same element multiple times; you ...
Android and setting width and height programmatically in dp units
...nteger pixels for use as a size. A
size conversion involves rounding the base value, and ensuring that a
non-zero base value is at least one pixel in size.
Yes it rounding the value but it's not very bad(just in odd values on hdpi and ldpi devices need to add a little value when ldpi is not ve...
Randomize a List
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Shuffle any (I)List with an extension method based on the Fisher-Yates shuffle:
private static Random rng = new Random();
public static void Shuffle<T>(this IList<T> list)
{
int n = list.Count;
while (n > 1) {
n--;
in...
What resources are shared between threads?
...odel in Modern Operating Systems 3e by Tanenbaum:
The process model is based on two independent concepts: resource
grouping and execution. Sometimes it is useful to separate them;
this is where threads come in....
He continues:
One way of looking at a process is that it is a way to ...
PHP Get all subdirectories of a given directory
...
In Array:
function expandDirectoriesMatrix($base_dir, $level = 0) {
$directories = array();
foreach(scandir($base_dir) as $file) {
if($file == '.' || $file == '..') continue;
$dir = $base_dir.DIRECTORY_SEPARATOR.$file;
if(is_dir($dir)) {...
Resize svg when window is resized in d3.js
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Based on the same idea, it would be interesting to give an answer that doesn't involve preserving the aspect ratio. The question was about having an svg element that keeps covering the full window on resize, which in most cas...