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Should IBOutlets be strong or weak under ARC?
...less weak is specifically needed to avoid a retain cycle. As Johannes mentioned above, this was commented on in the "Implementing UI Designs in Interface Builder" session from WWDC 2015 where an Apple Engineer said:
And the last option I want to point out is the storage type, which can
either ...
How do I delete an exported environment variable?
...arious places such as ~/.bashrc, ~/.profile, etc. Any variables you set in one terminal instance will not carry over to another. If you have a variable which seems to be set automatically every time you open terminal, try looking through the various hidden files in your home directory for it. Or, to...
Internet Explorer 11 detection
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Wait, there's an IE12? I thought IE11 was the last one and that we soon won't have to worry about that stupid browser anymore! ☹
– Michael Scheper
Jul 9 '18 at 0:25
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jQuery: Can I call delay() between addClass() and such?
...eason you need to call next or dequeue is to let jQuery know that you are done with this queued item and that it should move on to the next one.
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Remove ALL white spaces from text
...ts above. You also need + quantifiers after each \s as you want to capture one or more instances of white spaces.
– Garrett Simpson
Nov 30 '15 at 20:44
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SQL order string as number
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The first option is most appropriate one, the second has an extra step, but it works non the less.
– Manatax
May 9 '14 at 19:56
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How to hide iOS status bar
In my iOS video app status bar is hidden in some view controllers. I have done this using following code.
21 Answers
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HTML5shiv vs Dean Edwards IE7-js vs Modernizr - which to choose?
...ur life much happier if you plan to use rounded corners on your site (plus one or two other features).
This also has no cross-over with the other three products you mentioned, though they do all aim to make old versions of IE slightly easier to work with.
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Using {} in a case statement. Why?
...al default constructor and a trivial destructor, a cv-qualified version of one of these types, or an array of one of the preceding types and is declared without an initializer (8.5).
and provides this example:
void f() {
// ...
goto lx; // ill-formed: jump into scope of a
ly:
X a = 1;
// ....
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...client side app crashing and leaving connections open and then opening new ones when it restarts. If this kind of thing happens a lot then you'll run out of connections. Or the app is just configured improperly and opens too many connections.
– Scott Marlowe
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