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JavaScript variables declare outside or inside loop?
... does not have block scope like many other C-like languages.
That is also known as lexical scope.
If you declare something like
var foo = function(){
for(var i = 0; i < 10; i++){
}
};
This gets hoisted to:
var foo = function(){
var i;
for(i = 0; i < 10; i++){
}
}
So ...
Fast permutation -> number -> permutation mapping algorithms
...elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
...
Apache Kafka vs Apache Storm
...ions on real time data in parallel.
The common flow of these tools (as I know it) goes as follows:
real-time-system --> Kafka --> Storm --> NoSql --> BI(optional)
So you have your real time app handling high volume data, sends it to Kafka queue. Storm pulls the data from kafka and app...
Remove URL parameters without refreshing page
...ll/be/deleted/
To become:
https://domain.tld/my-new-url.php
Action
Now let's try a different approach. Say you need to keep the file's name. The file name comes after the last / and before the query string ?.
http://www.someDomain.com/really/long/address/keepThisLastOne.php?name=john
Wil...
Right mime type for SVG images with fonts embedded
...
As an FYI to anyone reading this chain now - it doesn't seem like Chrome throws a warning for the mimetype anymore when delivering an SVG font with the 'image/svg+xml' mimetype
– Robert Petz
Mar 20 '14 at 17:17
...
How to make a Java thread wait for another thread's output?
...ods themselves synchronized):
private final Object lock = new Object();
//now use lock in your synchronized blocks
To further your understanding:
There are other (sometimes better) ways to do the above, e.g. with CountdownLatches, etc. Since Java 5 there are a lot of nifty concurrency classes in ...
Check whether user has a Chrome extension installed
...re you executing the script that uses .connect() from a hosted script? I know Chrome tries hard not to do stuff with just local files that aren't hosted for security purposes. - Just checking.
– JamesEggers
Jun 9 '11 at 14:13
...
Why is the tag deprecated in HTML?
...t-align: center;}
.center {margin: auto 0px;}
.float_left {float: left;}
Now I can use them in my HTML code to perform simple tasks.
<p class="text_center">Some Text</p>
share
|
impr...
2D cross-platform game engine for Android and iOS? [closed]
... Customized Admob extension and a Facebook extension too.
Edit:
Marmalade now has it's own RAD(Rapid Application Development) tool just for 2D development, named as Marmalade Quick. Although the coding will be in Lua not in C++, but since it's built on top of C++ Marmalade, you can easily include a...
WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express
...e accepted answer is from 3 years ago which is a long time in the web word nowadays. I'm using Web API 2 and ASP.NET 5 (MVC 5) and Microsoft has moved away from an IIS-only strategy, while CustomErrors is old skool IIS ;).
Anyway, I had an issue on production that I didn't have locally. And then fo...