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What are all the valid self-closing elements in XHTML (as implemented by the major browsers)?
...n this topic is the <script> element. If you have an external source file, it WILL cause problems when you self close it. Try it:
<!-- this will not consistently work in all browsers! -->
<script type="text/javascript" src="external.js" />
This will work in Firefox, but breaks i...
What's the point of NSAssert, actually?
...thing like this in the error log (or STDERR):
Assertion i > 0 failed: file example.c, line 2
So not only does it safe-guard against potentially bad inputs but it logs them in a useful, standard way.
Oh, and at least in C assert() was a macro, so you could redefine assert() as a no-op in yo...
define() vs. const
... static scalar (number, string or other constant like true, false, null, __FILE__), whereas define() takes any expression. Since PHP 5.6 constant expressions are allowed in const as well:
const BIT_5 = 1 << 5; // Valid since PHP 5.6 and invalid previously
define('BIT_5', 1 << 5); // ...
MySQL pagination without double-querying?
...
Link's dead, I guess this is the correct one: percona.com/files/presentations/ppc2009/…. Won't edit because not sure if it is.
– hectorg87
Jul 10 '14 at 13:53
...
Django Rest Framework - Could not resolve URL for hyperlinked relationship using view name “user-det
...roject name is myproject, and the app name is myapp.
There is two urls.py file, one is myproject/urls.py and the other is myapp/urls.py. I give the app a namespace in myproject/urls.py, just like:
url(r'', include(myapp.urls, namespace="myapp")),
I registered the rest framework routers in myapp/...
Send an Array with an HTTP Get
...n simply pass array as foo=[value1,value2,value3] .When you obtain this inside express route with req.query, you will get {foo:'[value1,value2,value3]'}. You just need to parse it & use this array in your code
– Akshay Barpute
May 20 at 14:14
...
How do I flag a method as deprecated in Objective-C 2.0?
...
Deprecation Syntax
Syntax is provided to mark methods as deprecated:
@interface SomeClass
-method __attribute__((deprecated));
@end
or:
#include <AvailabilityMacros.h>
@interface SomeClass
-method DEPRECATED_ATTRIBUTE; // or some other deployment-...
Function to return only alpha-numeric characters from string?
...k on any data, not just on moldy old ASCII. :) Hence the mantra that this side of Millennium, [A-Z] is always wrong, sometimes .
– tchrist
Mar 4 '11 at 21:05
...
How to remove specific element from an array using python
...
Using filter() and lambda would provide a neat and terse method of removing unwanted values:
newEmails = list(filter(lambda x : x != 'something@something.com', emails))
This does not modify emails. It creates the new list newEmails containing only elements f...
Java reflection - impact of setAccessible(true)
...lass MyClass {
private String theField;
}
public static void main(String[] args) throws Exception {
MyClass myClass = new MyClass();
Field field1 = myClass.getClass().getDeclaredField("theField");
field1.setAccessible(true);
System.out.println(field1....