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How to check if a string contains only digits in Java [duplicate]
...use this method to check if my string is having only digits using regular expression. I tried with below examples, but both of them returned me false as result.
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How to have an auto incrementing version number (Visual Studio)? [duplicate]
...ject and amend the AssemblyVersion attribute to end with an asterisk, for example:
[assembly: AssemblyVersion("2.10.*")]
Visual studio will increment the final number for you according to these rules (thanks galets, I had that completely wrong!)
To reference this version in code, so you can disp...
Is there a Java equivalent to C#'s 'yield' keyword?
...It's likely Aviad's solution is faster, while Jim's is more portable (for example, I don't think Aviad's library will work on Android).
Interface
Aviad's library has a cleaner interface - here's an example:
Iterable<Integer> it = new Yielder<Integer>() {
@Override protected void y...
Most efficient way to convert an HTMLCollection to an Array
...lot of views, note (per @oriol's comment) that the following more concise expression is effectively equivalent:
var arr = [].slice.call(htmlCollection);
But note per @JussiR's comment, that unlike the "verbose" form, it does create an empty, unused, and indeed unusable array instance in the proce...
C++ preprocessor __VA_ARGS__ number of arguments
...
....but now is standard in C++0x and should've been longer ago because it allows a great way to guard varadic functions from corrupted calls (ie, you can pass values after the varadic items. This is actually a way of getting the count i used to use, but i ...
How to properly URL encode a string in PHP?
...code and rawurlencode is that
urlencode encodes according to application/x-www-form-urlencoded (space is encoded with +) while
rawurlencode encodes according to the plain Percent-Encoding (space is encoded with %20).
shar...
No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
i've created a small API using Node/Express and trying to pull data using Angularjs but as my html page is running under apache on localhost:8888 and node API is listen on port 3000, i am getting the No 'Access-Control-Allow-Origin'. I tried using node-http-proxy and Vhosts Apache but not having ...
How to open a local disk file with JavaScript?
...
Here's an example using FileReader:
function readSingleFile(e) {
var file = e.target.files[0];
if (!file) {
return;
}
var reader = new FileReader();
reader.onload = function(e) {
var contents = e.target.result;
...
MySQL offset infinite rows
...
use php 'PHP_INT_MAX' to avoid overflow effects.
– Karl Adler
Apr 7 '14 at 15:11
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s...
Difference between 'struct' and 'typedef struct' in C++?
...pedef and other identifiers).
If you just said:
struct Foo { ... };
Foo x;
you would get a compiler error, because Foo is only defined in the tag namespace.
You'd have to declare it as:
struct Foo x;
Any time you want to refer to a Foo, you'd always have to call it a struct Foo. This gets...