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In .NET, which loop runs faster, 'for' or 'foreach'?
...foreach" as it adds code, another variable, a condition you need to check, etc. How many times have you seen an off-by-one error in a "foreach" loop?
– tster
Dec 3 '09 at 15:45
35...
Using only CSS, show div on hover over
...his answer doesn't require that you know the what type of display (inline, etc.) the hideable element is supposed to be when being shown:
.hoverable:not(:hover) + .show-on-hover {
display: none;
}
<a class="hoverable">Hover over me!</a>
<div class="show-on-hover">I'm a...
What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
... database which I then could perform different operations on(update/delete/etc).
So instead of accessing the ID from the raw data object like myListData.get(position).getId() you can use adapter.getItemId(position).
One example of where i've felt like I needed to use these methods was in a project...
How to hide Soft Keyboard when activity starts
...**
* Hides the soft keyboard
*/
public void hideSoftKeyboard() {
if(getCurrentFocus()!=null) {
InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);
inputMethodManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(), 0);...
Should I add .vcxproj.filter files to source control?
...ntain a description of the folder structure (\Source Files, \Header Files, etc.).
4 Answers
...
Counting array elements in Python [duplicate]
... implementing one of the standard interfaces in Python (container, number, etc). Special methods are used via syntactic sugar (object creation, container indexing and slicing, attribute access, built-in functions, etc.).
Using obj.__len__() wouldn't be the correct way of using the special method, ...
Difference between Role and GrantedAuthority in Spring Security
...d code that deals with "roles" (like the RoleVoter, the hasRole expression etc.) always adds the ROLE_ prefix for you. So hasAuthority('ROLE_ADMIN') means the the same as hasRole('ADMIN') because the ROLE_ prefix gets added automatically. See the spring security 3 to 4 migration guide for futher inf...
What are the differences between Autotools, Cmake and Scons?
...bined with verbose, twisted shell scripting for tests for "compatibility", etc.
If you're not paying attention, you will mess up cross-compilation ability (It
should clearly be noted that Nokia came up with Scratchbox/Scratchbox2 to side-step highly broken Autotools build setups for Maemo/Meego.) I...
Formatting a number with leading zeros in PHP [duplicate]
...thing which expects a positive double digit number (Bank Account sort code etc). Please correct me if I'm wrong, but as far as I know, there is no real life instance of requiring a leading zero on a negative value?
– guyver4mk
Mar 14 '16 at 9:24
...
Extracting hours from a DateTime (SQL Server 2005)
...date]) returns the hour in military time ( 00 to 23 )
If you want 1AM, 3PM etc, you need to case it out:
SELECT Run_Time_Hour =
CASE DATEPART(HOUR, R.date_schedule)
WHEN 0 THEN '12AM'
WHEN 1 THEN '1AM'
WHEN 2 THEN '2AM'
WHEN 3 THEN '3AM'
WHEN 4 THEN '4AM'
WHEN 5 THE...