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How to get a user's client IP address in ASP.NET?
... address in ASP.NET, but this is usually the user's ISP's IP address, not exactly the user's machine IP address who for example clicked a link. How can I get the real IP Address?
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How to initialize an array's length in JavaScript?
...integer to the Array constructor using the var test = new Array(4); syntax.
18 Answers
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How to disable GCC warnings for a few lines of code
...n GCC you can override per file compiler flags . How can I do this for "next line", or with push/pop semantics around areas of code using GCC?
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How can I process each letter of text using Javascript?
...f the []'s. for more on why you should use charAt vs [], see string.charAt(x) or string[x]
– Julian Soro
May 29 '14 at 20:28
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Batch file: Find if substring is in string (not in a file)
..., you can use substitutions and check against the original string:
if not x%str1:bcd=%==x%str1% echo It contains bcd
The %str1:bcd=% bit will replace a bcd in str1 with an empty string, making it different from the original.
If the original didn't contain a bcd string in it, the modified version...
How to do a PUT request with curl?
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Using the -X flag with whatever HTTP verb you want:
curl -X PUT -d arg=val -d arg2=val2 localhost:8080
This example also uses the -d flag to provide arguments with your PUT request.
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When to use self over $this?
...embers,
use self::$member for static members.
Full Answer
Here is an example of correct usage of $this and self for non-static and static member variables:
<?php
class X {
private $non_static_member = 1;
private static $static_member = 2;
function __construct() {
echo $...
Python add item to the tuple
...items to append
a = ('2',)
items = ['o', 'k', 'd', 'o']
l = list(a)
for x in items:
l.append(x)
print tuple(l)
gives you
>>>
('2', 'o', 'k', 'd', 'o')
The point here is: List is a mutable sequence type. So you can change a given list by adding or removing elements. Tuple is an...
Difference between String replace() and replaceAll()
...ring 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
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