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Pros and Cons of Interface constants [closed]
...mple of a good enough and a bad use:
Bad:
interface User {
const TYPE_ADMINISTRATOR = 1;
const TYPE_USER = 2;
const TYPE_GUEST = 3;
}
Good Enough:
interface HTTPRequest_1_1 {
const TYPE_CONNECT = 'connect';
const TYPE_DELETE = 'delete';
const TYPE_GET ...
best way to get the key of a key/value javascript object
...
If you want to get all keys, ECMAScript 5 introduced Object.keys. This is only supported by newer browsers but the MDC documentation provides an alternative implementation (which also uses for...in btw):
if(!Object.keys) Object.keys = function...
Javascript sort array by two fields
...iot proof - but doesn't seem necessary.
function getSortMethod(){
var _args = Array.prototype.slice.call(arguments);
return function(a, b){
for(var x in _args){
var ax = a[_args[x].substring(1)];
var bx = b[_args[x].substring(1)];
var cx;
...
mysqli or PDO - what are the pros and cons? [closed]
...nvincing somebody works better with a killer feature. So there it is:
A really nice thing with PDO is you can fetch the data, injecting it automatically in an object. If you don't want to use an ORM (cause it's a just a quick script) but you do like object mapping, it's REALLY cool :
class Student...
Can I see changes before I save my file in Vim?
...t=nofile bh=wipe nobl noswf ro ft=" . filetype
endfunction
com! DiffSaved call s:DiffWithSaved()
To get out of diff view you can use the :diffoff command.
Below is a similar function, adapted to mimic the 'cvs diff' command...
...
Can C++ code be valid in both C++03 and C++11 but do different things?
... // #1
void f(...); // #2
template<int N> void g() {
f(0*N); // Calls #2; used to call #1
}
Rounded results after integer division and modulo
In C++03 the compiler was allowed to either round towards 0 or towards negative infinity. In C++11 it is mandatory to round towards 0
int i = (-1) ...
Using HTML5/JavaScript to generate and save a file
...me, thanks to Matthew and Dennkster pointing that option out! Here is basically how I do it:
1) get all the content into a string called "content" (e.g. by creating it there initially or by reading innerHTML of the tag of an already built page).
2) Build the data URI:
uriContent = "data:applicat...
Compiling Java 7 code via Maven
...
Check the mvn script in your maven installation to see how it's building the command. Perhaps you or someone else has hard-coded a JAVA_HOME in there and forgotten about it.
share
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How to undo the effect of “set -e” which makes bash exit immediately if any command fails?
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Limits of Nat type in Shapeless
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...