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How to pass object with NSNotificationCenter
...me("SomeNotificationName"),
object: nil)
}
@objc func someMethod(_ notification: Notification) {
let info0 = notification.userInfo?["key0"]
let info1 = notification.userInfo?["key1"]
}
Bonus (that you should definitely do!) :
Replace Notification.Name("SomeNotificationName") wit...
Setting JDK in Eclipse
...
I had to change my JAVA_HOME environment variable to the JDK's folder too, and the JRE was not enough.
– Noumenon
Sep 10 '15 at 0:57
...
WPF ToolBar: how to remove grip and overflow
....Dock="Top">
<ToolBar ToolBarTray.IsLocked="True" Loaded="ToolBar_Loaded">
<Menu ToolBar.OverflowMode="Never">
<MenuItem Header="File" />
<MenuItem Header="New" />
</Menu>
</ToolBar>
</ToolBarPanel>
And se...
Python: print a generator expression?
...an iterator, without the need to build an intermediate list:
>>> _ = map(sys.stdout.write, (x for x in string.letters if x in (y for y in "BigMan on campus")))
acgimnopsuBM
share
|
improv...
What do people find difficult about C pointers? [closed]
... understanding the machine architecture. See en.wikipedia.org/wiki/Pointer_(computing) and boredzo.org/pointers/#definition
– Robert Harvey
Oct 26 '10 at 20:01
...
How do I apply a perspective transform to a UIView?
...eTransform = CATransform3DRotate(rotationAndPerspectiveTransform, 45.0f * M_PI / 180.0f, 0.0f, 1.0f, 0.0f);
layer.transform = rotationAndPerspectiveTransform;
Swift 5.0
if let myView = self.subviews.first {
let layer = myView.layer
var rotationAndPerspectiveTransform = CATransform3DIdenti...
Default function arguments in Rust
...fn add(a: Option<i32>, b: Option<i32>) -> i32 {
a.unwrap_or(1) + b.unwrap_or(2)
}
This accomplishes the objective of having the default value and the function coded only once (instead of in every call), but is of course a whole lot more to type out. The function call will look ...
How can prepared statements protect from SQL injection attacks?
...very SQL injection example shows it (all examples in PHP/Mysql):
$expected_data = 1;
$query = "SELECT * FROM users where id=$expected_data";
will produce a regular query
SELECT * FROM users where id=1
while this code
$spoiled_data = "1; DROP TABLE users;"
$query = "SELECT * FROM users...
How Pony (ORM) does its tricks?
... if c.country == 'USA')
>>> import dis
>>> dis.dis(gen.gi_frame.f_code)
1 0 LOAD_FAST 0 (.0)
>> 3 FOR_ITER 26 (to 32)
6 STORE_FAST 1 (c)
9 LOAD_FAST 1 (c)
...
Add days to JavaScript Date
... for Date: var result = new Date(date);, see http://www.w3schools.com/js/js_dates.asp. Even if this usually work, sometimes can lead to wrong results because of conversion to string and vice versa. It should be var result = new Date(date.getTime());
– Marcin
No...