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When & why to use delegates? [duplicate]
...e my delegate is called".
Typical use is of course events. All the OnEventm>X m> delegate to the methods the user defines.
Delegates are useful to offer to the user of your objects some ability to customize their behavior.
Most of the time, you can use other ways to achieve the same purpose and I do no...
How do Python's any and all functions work?
...---------------+---------+---------+
Note 1: The empty iterable case is em>x m>plained in the official documentation, like this
any
Return True if any element of the iterable is true. If the iterable is empty, return False
Since none of the elements are true, it returns False in this case.
all...
iPhone app in landscape mode, 2008 systems
...r is now hugely out of date/
This answer is only a historical curiosity.
Em>x m>citing news! As discovered by Andrew below, this problem has been fim>x m>ed by Apple in 4.0+.
It would appear it is NO longer necessary to force the size of the view on every view, and the specific serious problem of landscape "...
Returning a value from thread?
...ill hold the return value from the thread and then capture it in a lambda em>x m>pression. Assign the "return" value to this variable from the worker thread and then once that thread ends you can use it from the parent thread.
void Main()
{
object value = null; // Used to store the return value
var ...
MySQL get row position in ORDER BY
...
Use this:
SELECT m>x m>.id,
m>x m>.position,
m>x m>.name
FROM (SELECT t.id,
t.name,
@rownum := @rownum + 1 AS position
FROM TABLE t
JOIN (SELECT @rownum := 0) r
ORDER BY t.name) m>x m>
WHE...
How to create a MySQL hierarchical recursive query
...
For MySQL 8+: use the recursive with syntam>x m>.
For MySQL 5.m>x m>: use inline variables, path IDs, or self-joins.
MySQL 8+
with recursive cte (id, name, parent_id) as (
select id,
name,
parent_id
from products
where parent_id...
How to verify an m>X m>Path em>x m>pression in Chrome Developers tool or Firefom>x m>'s Firebug?
How can I verify my m>X m>Path?
6 Answers
6
...
How do I raise the same Em>x m>ception with a custom message in Python?
...e: For Python 3, check Ben's answer
To attach a message to the current em>x m>ception and re-raise it:
(the outer try/em>x m>cept is just to show the effect)
For python 2.m>x m> where m>x m>>=6:
try:
try:
raise ValueError # something bad...
em>x m>cept ValueError as err:
err.message=err.message+...
How to define a two-dimensional array?
...
You're technically trying to indem>x m> an uninitialized array. You have to first initialize the outer list with lists before adding items; Python calls this
"list comprehension".
# Creates a list containing 5 lists, each of 8 items, all set to 0
w, h = 8, 5;
Ma...
Get class name of object as string in Swift
...
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Nem>x m>t
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