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Wolfram's Rule 34 in XKCD [closed]
...n a cellular automaton (CA) that follows rule 2, then whenever a three-bit string matches rule 2's configuration, the center bit becomes (or stays, in this case) true on the next iteration.
A CA's rules are described as a bitstring. Say it's rule 110 (my favorite). In binary, 110 is 01101110. The d...
How to trim a string in SQL Server before 2017?
...lls. You could say they are all redundant since TSQL has CHARINDEX and SUBSTRING, but that's an idiotic way to look at it.
– Ben Hoffstein
Oct 8 '08 at 14:02
10
...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...taking user input and escaping any single quotes and surrounding the whole string with single quotes. Here's the code:
18 A...
Cookies on localhost with explicit domain
...e is +1'ing this, I set the domain of the cookie to null or false or empty string and it still doesn't save if on localhost.
– Justin
Sep 6 '11 at 14:34
5
...
Package objects
...ge foo
package object bar {
// package wide constants:
def BarVersionString = "1.0"
// or type aliases
type StringMap[+T] = Map[String,T]
// can be used to emulate a package wide import
// especially useful when wrapping a Java API
type DateTime = org.joda.time.DateTime
type JLi...
PHP check whether property exists in object or class
...
property_exists( mixed $class , string $property )
if (property_exists($ob, 'a'))
isset( mixed $var [, mixed $... ] )
if (isset($ob->a))
isset() will return false if property is null
Example 1:
$ob->a = null
var_dump(isset($ob->a)); //...
Is a colon `:` safe for friendly-URL use?
...ndards are conflicting. For example HTTP/1.1 RFC 2616 does not allow query string in the request URL, while HTML constructs one when submitting a form with GET method. Whichever implemented in the real world wins at the end of the day.
...
How do I delete multiple rows in Entity Framework (without foreach)
... list of IDs, use a WHERE IN ({0}), and then the second argument should be String.Join(",", idList).
– Langdon
Jul 25 '16 at 22:06
...
Instance attribute attribute_name defined outside __init__
...ion has the merit to avoid another warning caused when you declare self.my_string:str = None => "Expected type 'str' got None instead. Am curious if str() takes more memory than None, and why this solution is less pythonic if it avoids an IDE warning...
– Nono London
...
What does extern inline do?
... StackOverflow)
#ifdef __cplusplus
#include <cstdio>
#include <cstring>
#else
#include <stdio.h>
#include <string.h>
#endif
//=========== MACRO MAGIC BEGINS ============
//Trim full file path
#define __SFILE__ (strrchr(__FILE__,'/') ? strrchr(__FILE__,'/')+1 : __FILE__...