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Does Python have a ternary conditional operator?
...s within a conditional expression:
>>> pass if False else x = 3
File "<stdin>", line 1
pass if False else x = 3
^
SyntaxError: invalid syntax
You can, however, use conditional expressions to assign a variable like so:
x = a if True else b
Think of the conditional exp...
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...
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);...
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, ...
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...
What are the pros and cons of the SVN plugins for Eclipse, Subclipse and Subversive? [closed]
...eing a bunch of rows for every commit it can group commits by today, week, etc.
Mapping of trunk, branches, and tags
Subversive assumes the default svn layout: trunk, branches, tags (which you can change), so whenever you want to tag or branch it is one click and you provide the name of the tag or...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...s is correct, but the real place this syntax shines is when merging source files together. Imagine you've got this array:
int ints[] = {
3,
9
};
And assume you've checked this code into a repository.
Then your buddy edits it, adding to the end:
int ints[] = {
3,
9,
12
};
...
What is token-based authentication?
...username and password in order to
obtain a token which allows them to
fetch a specific resource - without
using their username and password.
Once their token has been obtained,
the user can offer the token - which
offers access to a specific resource
for a time period - to the remote
...
What is a software framework? [closed]
...oes give you window management, sub-window management, menus, button bars, etc. That's the framework side of things. By adding your application functionality and "plugging it in" to the right places in the framework you turn this empty app that does nothing more than window management, etc. into a...