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How do I get the file extension of a file in Java?
...n from Apache Commons IO
Here is an example of how to use it (you may specify either full path or just file name):
String ext1 = FilenameUtils.getExtension("/path/to/file/foo.txt"); // returns "txt"
String ext2 = FilenameUtils.getExtension("bar.exe"); // returns "exe"
Maven dependency:
<depe...
How do I load a PHP file into a variable?
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I suppose you want to get the content generated by PHP, if so use:
$Vdata = file_get_contents('http://YOUR_HOST/YOUR/FILE.php');
Otherwise if you want to get the source code of the PHP file, it's the same as a .txt file:
$Vdata = file_get_contents('path/to/YOUR/FILE.php');
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How to convert/parse from String to char in java?
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If your string contains exactly one character the simplest way to convert it to a character is probably to call the charAt method:
char c = s.charAt(0);
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How to distinguish mouse “click” and “drag”
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I think the difference is that there is a mousemove between mousedown and mouseup in a drag, but not in a click.
You can do something like this:
const element = document.createElement('div')
element.innerHTML = 'test'
document.body.appe...
In mongoDb, how do you remove an array element by its index?
...he comments this approach is not atomic and can cause some race conditions if other clients read and/or write between the two operations. If we need the operation to be atomic, we could:
Read the document from the database
Update the document and remove the item in the array
Replace the document i...
How do I erase an element from std::vector by index?
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With advance you must save the iterator in a variable. If you use std::next you can do it in one line: vec.erase( next(begin(vec), 123) );
– dani
Oct 5 '16 at 20:36
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How to see query history in SQL Server Management Studio
Is the query history stored in some log files? If yes, can you tell me how to find their location? If not, can you give me any advice on how to see it?
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.Net HttpWebRequest.GetResponse() raises exception when http status code 400 (bad request) is return
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It would be nice if there were some way of turning off "throw on non-success code" but if you catch WebException you can at least use the response:
using System;
using System.IO;
using System.Web;
using System.Net;
public class Test
{
s...
static const vs #define
... don't know exactly what you are getting at with the "static" part though. If you are declaring globally, I'd put it in an anonymous namespace instead of using static. For example
namespace {
unsigned const seconds_per_minute = 60;
};
int main (int argc; char *argv[]) {
...
}
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What is the equivalent of the C++ Pair in Java?
...alue as a primitive or built-in class without encapsulating it in a class. If we were to return a tuple of a dozen elements no one would disagree it should have its own class. Somewhere in the middle is a (fuzzy) dividing line. I think our lizard brains can cope with Pairs easily enough.
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