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Always pass weak reference of self into block in ARC?
... NSUInteger idx, BOOL *stop) {
[self doSomethingWithObj:obj];
}];
Now, your object (self) has an explicit strong reference to the block. And the block has an implicit strong reference to self. That's a cycle, and now neither object will be deallocated properly.
Because, in a situation like...
Is it possible to remove inline styles with jQuery?
...ent').removeStyle('display');
and that should do the trick.
Update: I now realized that all this is futile.
You can simply set it to blank:
$('#element').css('display', '');
and it'll automatically be removed for you.
Here's a quote from the docs:
Setting the value of a style property t...
What's the fastest way to merge/join data.frames in R?
...version.string
# R version 2.15.1 (2012-06-22)
Please note that I don't know plyr well so please do check with Hadley before relying on the plyr timings here. Also note that the data.table do include the time to convert to data.table and set the key, for fareness.
This answer has been updated s...
git-diff to ignore ^M
...inst older revisions of these files. Converting line endings starting from now on does not solve the problem with older revisions :-/
– neoneye
Dec 11 '09 at 18:14
67
...
Check if a variable is of function type
...
This answer is a bit misleading now, as Underscore.js is now on revision 12, not the above-referenced revision 4, of its test of alternative isFunction() implementations. It currently uses something very close to what dandean suggested.
...
How do I make my GUI behave well when Windows font scaling is greater than 100%
...hat trap.
Windows 8.1 per monitor DPI update
As of Windows 8.1, there is now OS support for per-monitor DPI settings (http://msdn.microsoft.com/en-ca/magazine/dn574798.aspx). This is a big issue for modern devices which might have different displays attached with very different capabilities. You m...
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
...rent for different routers though, so look up directions for your router.
Now, when I am outside of my home network I connect to my pi by typing:
ssh pi@[hostname]
Then I am able to input my password and connect.
sh...
Converting String to Int with Swift
... This solution was only right for Swift and not for Swift2. Now you should use: Int(firstText.text)
– gurehbgui
Sep 27 '15 at 10:36
|
...
What is the difference between .*? and .* regular expressions?
...come to this:
eeeAiiZuuuuAoooZeeee
\__________/
A.* matched, Z can now match
Now Z can match, so the overall pattern matches:
eeeAiiZuuuuAoooZeeee
\___________/
A.*Z matched
By contrast, the reluctant repetition in A.*?Z first matches as few . as possible, and then taking more . ...
Verifying a specific parameter with Moq
... multiple times when it wasn't called at all. They might have fixed it by now - but if you see that message you might consider verifying that the method was actually called.
EDIT: Here is an example of calling verify multiple times for those scenarios where you want to verify that you call a funct...