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How to theme the ENTIRE Xcode IDE to light-on-dark?
... can be found in Google (http://www.mattlag.com/scripting/hexcolorinverter.php). And voila! "Ctrl-Opt-Cmd-8" + "Inverted Dark Theme" makes the whole Xcode environment dark and looking great, without the need of hiding any other sections of Xcode like Navigator, Debug and Utilities.
Let me know if t...
How to generate sample XML documents from their DTD or XSD?
... tutorial is available here:
http://www.oasis-open.org/committees/download.php/29661/XSD%20and%20jCAM%20tutorial.pdf
And more information on the tool - which is using the OASIS Content Assembly Mechanism (CAM) standard to refactor your XSD into a more XSLT friendly structure - can be found from the...
Changing one character in a string
...explicitly to avoid trouble. Everything is machine-oriented. I worked with PHP before learning Python, and that language is a total mess. Regarding your note on fast CPUs I'm totally with you. But a part of that problem is the popular disapproval of premature optimization, which leads to slow interp...
Is it ever advantageous to use 'goto' in a language that supports loops and functions? If so, why?
...o this already):
Cleanly exiting a function
Often in a function, you may allocate resources and need to exit in multiple places. Programmers can simplify their code by putting the resource cleanup code at the end of the function, and all "exit points" of the function would goto the cleanup label....
MySQL select 10 random rows from 600K rows fast
...d 2Gb size. See here my code: Fast selection of random rows in MySQL
<?php
$time= microtime_float();
$sql='SELECT COUNT(*) FROM pages';
$rquery= BD_Ejecutar($sql);
list($num_records)=mysql_fetch_row($rquery);
mysql_free_result($rquery);
$sql="SELECT id FROM pages WHERE RAND()*$num_records<2...
How to create a project from existing source in Eclipse and then find it?
...lt location" checkbox (and got stuck) when I tried to create my project as PHP, but as a generic Eclipse project I was able to get the above working (you can edit the project Natures afterward if needed, but that's a whole different topic...)
– jsh
Nov 5 '13 at...
When should I use Kruskal as opposed to Prim (and vice versa)?
...in a very straightforward way : http://www.thestudentroom.co.uk/showthread.php?t=232168.
Kruskal's algorithm will grow a solution from the cheapest edge by adding the next cheapest edge, provided that it doesn't create a cycle.
Prim's algorithm will grow a solution from a random vertex by adding ...
C# Regex for Guid
....
Ruby supports them starting with version 2.0. Languages such as Delphi, PHP, and R that
have regex features based on PCRE also support conditionals. (source http://www.regular-expressions.info/conditional.html)
The regex that follows Will match
{123}
(123)
123
And will not match
{123)
(123}...
Using smart pointers for class members
...w pointers are bad when used for performing manual memory management, i.e. allocating and deallocating objects through new and delete. When used purely as a means to achieve reference semantics and pass around non-owning, observing pointers, there is nothing intrinsically dangerous in raw pointers, ...
Why am I getting an OPTIONS request instead of a GET request?
...
I had the same problem. My fix was to add headers to my PHP script which are present only when in dev environment.
This allows cross-domain requests:
header("Access-Control-Allow-Origin: *");
This tells the preflight request that it is OK for the client to send any headers it ...