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Rounding a double to turn it into an int (java)
...to (int) Math.floor(f+0.5).
No need to cast to int. Maybe it was changed from the past.
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How can I set response header on express.js assets
...s: cors. [see @mscdex answer]
This is how to set custom response headers, from the ExpressJS DOC
res.set(field, [value])
Set header field to value
res.set('Content-Type', 'text/plain');
or pass an object to set multiple fields at once.
res.set({
'Content-Type': 'text/plain',
'Content-Len...
Removing array item by value
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to remove $rm_val from $arr
unset($arr[array_search($rm_val, $arr)]);
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Is there a way to quickly find files in Visual Studio 2010?
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this addin will very usefule to quickly open files from visual studio by pressong CTRL + K + O
http://visualstudiogallery.msdn.microsoft.com/en-us/3eb2f230-2728-4d5f-b448-4c0b64154da7
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Positioning element at center of screen
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If you have a fixed div just absolute position it at 50% from the top and 50% left and negative margin top and left of half the height and width respectively. Adjust to your needs:
div {
position: absolute;
top: 50%;
left: 50%;
width: 500px;
height: 300px;
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cannot load such file — bundler/setup (LoadError)
... (in my case, Ubuntu 14.04) sudo can't run rvm.
– Farfromunique
Jun 1 '16 at 23:46
1
On my macOS ...
Total number of items defined in an enum
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From the previous answers just adding code sample.
class Program
{
static void Main(string[] args)
{
int enumlen = Enum.GetNames(typeof(myenum)).Length;
Console.Write(enumlen);
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Coarse-grained vs fine-grained
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From Wikipedia (granularity):
Granularity is the extent to which a
system is broken down into small
parts, either the system itself or its
description or observation. It is the
extent to which a larger entity is
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Rethrowing exceptions in Java without losing the stack trace
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this is what I was looking for, especially the version from the first comment where you can pass your own message
– Csa77
Apr 14 '19 at 19:31
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In php, is 0 treated as empty?
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From a linguistic point of view empty has a meaning of without value. Like the others said you'll have to use isset() in order to check if a variable has been defined, which is what you do.
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