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How unique is UUID?
...nnual risk of a given person being hit by a meteorite is
estimated to be one chance in 17 billion, which means the
probability is about 0.00000000006 (6 × 10−11), equivalent to the odds
of creating a few tens of trillions of UUIDs in a year and having one
duplicate. In other words, only a...
Multiple simultaneous downloads using Wget?
I'm using wget to download website content, but wget downloads the files one by one.
15 Answers
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How can I generate an MD5 hash?
... MD5 instance of MessageDigest you can use.
The compute the hash by doing one of:
Feed the entire input as a byte[] and calculate the hash in one operation with md.digest(bytes).
Feed the MessageDigest one byte[] chunk at a time by calling md.update(bytes). When you're done adding input bytes, ca...
Visual Studio 2012 - Intellisense sometimes disappearing / broken
...lutions for getting Visual Studio 2012 intellisense back on track try them one by one, hope one of them will solve the problem:
When the problem occurs next time follow these:
start from #1 and Move to next when the earlier one doesn't work for you
1: Close all the tabs and open your file again. (...
Why use Gradle instead of Ant or Maven? [closed]
...that Gradle is a toy project - see comments], but I'd say that the reasons one would consider using it would be because of the frustrations of Ant and Maven.
In my experience Ant is often write-only (yes I know it is possible to write beautifully modular, elegant builds, but the fact is most people...
Checking to see if one array's elements are in another array in PHP
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As mentioned in the comments I found that !empty does not work as expected. Instead, I used count(): !count(array_intersect($people, $criminals));
– Mattios550
Nov 30 '16 at 21:12
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How to determine if one array contains all elements of another array
...ength as the smaller-array if all elements in it are present in the larger one.
– JosephK
Aug 26 '17 at 10:47
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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
... final ()) that you just defined. So the major advantage of this as I mentioned before, is that you can have private methods/functions and properties:
(function() {
var private_var;
function private_function() {
//code
}
})();
In the first example, you would explicitly invoke globa...
What is N-Tier architecture?
...mmend it, you can host logical tier and database on the same box.
Edit: One implication is that presentation tier and the logic tier (sometimes called Business Logic Layer) needs to cross machine boundaries "across the wire" sometimes over unreliable, slow, and/or insecure network. This is very d...
Best way to remove an event handler in jQuery?
...ut type="image" . This acts like the cell notes in Microsoft Excel. If someone enters a number into the text box that this input-image is paired with, I setup an event handler for the input-image . Then when the user clicks the image , they get a little popup to add some notes to the data.
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