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What is the difference between self::$bar and static::$bar in PHP?
...
{
protected static $bar = 'parent value';
public static function test()
{
var_dump('I am your father');
var_dump('self:: here means '.self::$bar);
var_dump('static:: here means '.static::$bar);
}
}
class Bar extends Foo
{
protected static $bar = 'chil...
Compile time string hashing
...ement case is dangerous. You'll want to do an == comparison afterwards to confirm it worked.
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Generate random numbers with a given (numerical) distribution
...= max(i for r in [random.random()] for i,c in cdf if c <= r)
I pseudo-confirmed that this works by eyeballing the output of this expression:
sorted(max(i for r in [random.random()] for i,c in cdf if c <= r)
for _ in range(1000))
...
Grep regex NOT containing string
...xpression), so the command is:
grep -P '(?<!1\.2\.3\.4).*Has exploded' test.log
Try this. It uses negative lookbehind to ignore the line if it is preceeded by 1.2.3.4. Hope that helps!
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How do I get an HttpContext object from HttpContextBase in ASP.NET MVC 1?
...plicity while HttpContextBase doesn't.
Bear in mind that Foo is no longer testable because it relies on being able to unwrap the underlying HttpContext during testing and which is next to impossible to fake/stub in the first place. The point of this answer, however, is to address the question, “H...
How do I log ALL exceptions globally for a C# MVC4 WebAPI app?
...called for all unhandled exceptions in your code, including the one in the test action you have shown. So all you have to do is handle this exception inside the Application_Error event. In the sample code you have shown you are only handling exception of type HttpException which is obviously not the...
How to switch position of two items in a Python list?
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you can use for example:
>>> test_list = ['title', 'email', 'password2', 'password1', 'first_name',
'last_name', 'next', 'newsletter']
>>> reorder_func = lambda x: x.insert(x.index('password2'), x.pop(x.index('password2')+1))
&...
String literals: Where do they go?
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confirmed #2 in 2.13. With -Os option (optimize for size), gcc overlaps string literals in .rodata.
– Peng Zhang
Feb 20 '15 at 7:15
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Is JSON Hijacking still an issue in modern browsers?
... [] or {} constructors in Firefox 21, Chrome 27, or IE 10. Here's a little test page, based on the main attacks described in http://www.thespanner.co.uk/2011/05/30/json-hijacking/:
(http://jsfiddle.net/ph3Uv/2/)
var capture = function() {
var ta = document.querySelector('textarea')
ta.i...
How to read and write INI file with Python3?
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Here's a complete read, update and write example.
Input file, test.ini
[section_a]
string_val = hello
bool_val = false
int_val = 11
pi_val = 3.14
Working code.
try:
from configparser import ConfigParser
except ImportError:
from ConfigParser import ConfigParser # ver. < 3...