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What is the preferred Bash shebang?
... shebang for any interpreted language on your system such as Perl, Python, PHP (CLI) and many others. By the way, the shebang
#!/bin/sh -
(it can also be two dashes, i.e. --) ends bash options everything after will be treated as filenames and arguments.
Using the env command makes your script p...
C++ - passing references to std::shared_ptr or boost::shared_ptr
... a shared_ptr continuing to be non-null throughout, is for the function to allocate its own true shared_ptr, rather than relying on a reference to an existing shared_ptr.
The downside is that copied a shared_ptr is not free: even "lock-free" implementations have to use an interlocked operation to h...
Better way to revert to a previous SVN revision of a file?
...f: How to Roll Back Changes using Subversion - Jacob Wright – Flex, AIR, PHP, etc.
EDIT: ... and apparently, the exactly same effect as svn merge -r HEAD:851 l3toks.dtx, can be achieved with:
svn export -r 851 l3toks.dtx
A l3toks.dtx
Export complete.
...
How do function pointers in C work?
...eir respective functions:
String newString()
{
String self = (String)malloc(sizeof(struct String_Struct));
self->get = &getString;
self->set = &setString;
self->length = &lengthString;
self->set(self, "");
return self;
}
For example, the getStrin...
On Duplicate Key Update same as insert
...lue pairs by using SET instead of (a,b,c) VALUES(a,b,c).
An example with PHP:
$pairs = "a=$a,b=$b,c=$c";
$query = "INSERT INTO $table SET $pairs ON DUPLICATE KEY UPDATE $pairs";
Example table:
CREATE TABLE IF NOT EXISTS `tester` (
`a` int(11) NOT NULL,
`b` varchar(50) NOT NULL,
`c` text ...
Normal arguments vs. keyword arguments
...ed Sep 13 '09 at 23:58
too much phptoo much php
78.8k3333 gold badges120120 silver badges133133 bronze badges
...
Programmatically access currency exchange rates [closed]
... sure it's far from the most elegant way to do this, but I'm pretty new to PHP. Hope it helps!
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How to trick an application into thinking its stdout is a terminal, not a pipe
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I don't know if it's doable from PHP, but if you really need the child process to see a TTY, you can create a PTY.
In C:
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <unistd.h>
#include <pty.h>
int ma...
Calculate the center point of multiple latitude/longitude coordinate pairs
...
I found this post very useful so here is the solution in PHP. I've been using this successfully and just wanted to save another dev some time.
/**
* Get a center latitude,longitude from an array of like geopoints
*
* @param array data 2 dimensional array of latitudes and longit...
Set Django IntegerField by choices=… name
...
class Language(ChoiceEnum):
Python = 1
Ruby = 2
Java = 3
PHP = 4
Cpp = 5
# Uh oh
Language.Cpp._name_ = 'C++'
This is pretty much all. You can inherit the ChoiceEnum to create your own definitions and use them in a model definition like:
from django.db import models
from mya...