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Getting visitors country from their IP
...
Try this simple PHP function.
<?php
function ip_info($ip = NULL, $purpose = "location", $deep_detect = TRUE) {
$output = NULL;
if (filter_var($ip, FILTER_VALIDATE_IP) === FALSE) {
$ip = $_SERVER["REMOTE_ADDR"];
if ($deep_detect) {
if (f...
How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
3
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Dynamically set local variable [duplicate]
... out in the comments there are exceptions, for example classes that define __slots__). Function locals can be optimised for speed because the compiler (usually) knows all the names in advance, so there isn't a dictionary until you call locals().
In the C implementation of Python locals() (called fr...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...ard C Preprocessor
$ cat xx.c
#define VARIABLE 3
#define PASTER(x,y) x ## _ ## y
#define EVALUATOR(x,y) PASTER(x,y)
#define NAME(fun) EVALUATOR(fun, VARIABLE)
extern void NAME(mine)(char *x);
$ gcc -E xx.c
# 1 "xx.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "xx.c"
extern void mi...
What is an alternative to execfile in Python 3?
...me on Python3.3. I get "No such file or directory" when I exec(open('./some_file').read()). I have tried including the '.py' extension and also excluding the './' as well
– JoeyC
Feb 20 '14 at 0:20
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How can I do an asc and desc sort using underscore.js?
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You can use .sortBy, it will always return an ascending list:
_.sortBy([2, 3, 1], function(num) {
return num;
}); // [1, 2, 3]
But you can use the .reverse method to get it descending:
var array = _.sortBy([2, 3, 1], function(num) {
return num;
});
console.log(array); // [1,...
Convert objective-c typedef to its string equivalent
... XML,
Atom,
RSS
} FormatType;
extern NSString * const FormatType_toString[];
// In a source file
// initialize arrays with explicit indices to make sure
// the string match the enums properly
NSString * const FormatType_toString[] = {
[JSON] = @"JSON",
[XML] = @"XML",
[Atom]...
How to get the current directory in a C program?
...been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me.
6...
Google Tag Manager 入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...页脚，如：footer.inc：
<script type=”text/javascript”>
var _gaq = _gaq || [];
_gaq.push(["_setAccount", "UA-XXXXXX-1"]);
_gaq.push(["_trackPageview"]);
(function() {
var ga = document.createElement(“script”); ga.type = “text/javascript”; ga.async = true;
ga.src = (...
Conveniently Declaring Compile-Time Strings in C++
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I haven't seen anything to match the elegance of Scott Schurr's str_const presented at C++ Now 2012. It does require constexpr though.
Here's how you can use it, and what it can do:
int
main()
{
constexpr str_const my_string = "Hello, world!";
static_assert(my_string.size() == 13,...