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Correct way to use StringBuilder in SQL
...which is usually too small and results in the StringBuilder having to do reallocations to make itself bigger (IIRC, in the Sun/Oracle JDK, it doubles itself [or more, if it knows it needs more to satisfy a specific append] each time it runs out of room).
You may have heard that string concatenation...
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...
A CORS POST request works from plain JavaScript, but why not with jQuery?
...: x-requested-with, x-requested-by
So to put it all together, here is my PHP:
// * wont work in FF w/ Allow-Credentials
//if you dont need Allow-Credentials, * seems to work
header('Access-Control-Allow-Origin: http://www.example.com');
//if you need cookies or login etc
header('Access-Control-Al...
What is the difference between declarative and procedural programming paradigms?
...ich support the procedural paradigm:
C (and most other legacy languages)
PHP, mostly
In some sense, all major languages
Object-Oriented
It typically refers to languages that exhibit a hierarchy of types that inherit both methods and state from base types to derived types, but also includes the ...
How does one create an InputStream from a String? [duplicate]
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How about not using String.getBytes? It allocates a copy of string, so it is not memory effective solution. The reason to use inputstream is usually to avoid keeping a copy of large object in memory
– Vitamon
May 19 '16 at 11:...
What is a bus error?
...and are typically the result of:
using a pointer to something that was deallocated.
using an uninitialized hence bogus pointer.
using a null pointer.
overflowing a buffer.
PS: To be more precise this is not manipulating the pointer itself that will cause issues, it's accessing the memory it poin...
How to round a number to n decimal places in Java
...ing. I'm surprised Chris Cudmore would even say what he said to be honest. allocating objects is always more expensive than casting primitives and using static methods (Math.round() as opposed to decimalFormat.format()).
– Andi Jay
Jul 10 '12 at 14:35
...
One-liner to recursively list directories in Ruby?
...
In PHP or other languages to get the content of a directory and all its subdirectories, you have to write some lines of code, but in Ruby it takes 2 lines:
require 'find'
Find.find('./') do |f| p f end
this will print the con...
How to download a file from server using SSH? [closed]
...ote/dir/foobar.txt /local/dir
From: http://www.hypexr.org/linux_scp_help.php
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edited Mar 14 '15 at 9:31
Marek Grzenkowicz
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Attempt to set a non-property-list object as an NSUserDefaults
...ta *data = [currentDefaults objectForKey:@"yourKeyName"];
yourObjectType * token = [NSKeyedUnarchiver unarchiveObjectWithData:data];
For Remove
[currentDefaults removeObjectForKey:@"yourKeyName"];
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