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Returning 'IList' vs 'ICollection' vs 'Collection'
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Generally you should return a type that is as general as possible, i.e. one that knows just enough of the returned data that the consumer needs to use. That way you have greater freedom to change the implementation of the API, wit...
How to list files in a directory in a C program?
...le for POSIX compliant systems :
/*
* This program displays the names of all files in the current directory.
*/
#include <dirent.h>
#include <stdio.h>
int main(void) {
DIR *d;
struct dirent *dir;
d = opendir(".");
if (d) {
while ((dir = readdir(d)) != NULL) {
pri...
How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails
...query has been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query.
11 Answers
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F12 no longer works in Visual Studio
This is driving me crazy. Ever since I installed ReSharper 4, F12 no longer seems to work. If you look at the all the ReSharper short cuts in the Goto sub menu Declaration doesn't have any assigned!
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Can every recursion be converted into iteration?
...sive form. Unless there's a compelling reason, you probably shouldn't (manually) convert these functions to an explicitly iterative algorithm. Your computer will handle that job correctly.
I can see one compelling reason. Suppose you've a prototype system in a super-high level language like [donnin...
Can you autoplay HTML5 videos on the iPad?
...ugh both script and attribute implementations.
In Safari, on iOS (for all devices, including iPad), where the user may be on a cellular network and be charged per data unit, preload and
auto-play are disabled. No data is loaded until the user initiates it." - Apple documentation.
Here is a ...
How to convert a String into an ArrayList?
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Hehe, yeah, +1 :-) It may actually even just be the split his after :P
– aioobe
Sep 8 '11 at 13:47
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How to check if an object is nullable?
...pe if boxed, but you can with generics:
- so how about below. This is actually testing type T, but using the obj parameter purely for generic type inference (to make it easy to call) - it would work almost identically without the obj param, though.
static bool IsNullable<T>(T obj)
{
if (...
Set keyboard caret position in html textbox
...ion in a Textbox or TextArea with Javascript
A generic function that will allow you to insert the caret at any position of a textbox or textarea that you wish:
function setCaretPosition(elemId, caretPos) {
var elem = document.getElementById(elemId);
if(elem != null) {
if(elem.crea...
Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]
... passwords etc. are used to authenticate you. Some precautions are then usually taken to ensure that submissions haven't been tampered with, but on the whole whatever happens over in the session is regarded as having been initiated by you.
WS-Security offers confidentiality and integrity protection...