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Getting visitors country from their IP
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+1350
Try this simple PHP function.
<?php
function ip_info($ip = NULL, $purpose = "location", $deep_detect = TRUE) {
$output = N...
Concept of void pointer in C programming
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15 Answers
15
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Deserializing a JSON into a JavaScript object
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answered Jun 26 '11 at 22:37
user113716user113716
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
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14 Answers
14
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django-debug-toolbar not showing up
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176
Stupid question, but you didn't mention it, so... What is DEBUG set to? It won't load unless i...
What does “The APR based Apache Tomcat Native library was not found” mean?
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12 Answers
12
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C++, variable declaration in 'if' expression
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As of C++17 what you were trying to do is finally possible:
if (int a = Func1(), b = Func2(); a && b)
{
// Do stuff with a and b.
}
Note the use of ; of instead of , to separate the declaration and the actual condition....
Representing null in JSON
...uate the parsing of each:
http://jsfiddle.net/brandonscript/Y2dGv/
var json1 = '{}';
var json2 = '{"myCount": null}';
var json3 = '{"myCount": 0}';
var json4 = '{"myString": ""}';
var json5 = '{"myString": "null"}';
var json6 = '{"myArray": []}';
console.log(JSON.parse(json1)); // {}
console.log(JS...
Hashing a file in Python
...thon to read to the EOF so I can get an appropriate hash, whether it is sha1 or md5. Please help. Here is what I have so far:
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How to evaluate a math expression given in string form?
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With JDK1.6, you can use the built-in Javascript engine.
import javax.script.ScriptEngineManager;
import javax.script.ScriptEngine;
import javax.script.ScriptException;
public class Test {
public static void main(String[] args) t...