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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
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Why is the __autoreleasing qualifier placed inbetween the stars, and not just in front of NSError**? This looks weird to me as the type is NSError**. Or is it because this is trying to indicate that the pointed-to NSError* pointer has to be qualified as po...
Objective-C ARC: strong vs retain and weak vs assign
... have to use either weak or unsafe_unretained (which is unsafe, obviously) if you don't want to retain the property.
– cobbal
Jan 19 '12 at 15:07
5
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How do I check if an object has a specific property in JavaScript?
How do I check if an object has a specific property in JavaScript?
24 Answers
24
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Swift equivalent for MIN and MAX macros
... minimum and maximum value between two numbers using MIN and MAX macros. Swift doesn't support macros and it seems that there are no equivalents in the language / base library. Should one go with a custom solution, maybe based on generics like this one ?
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How to write an inline IF statement in JavaScript?
...e minor if the value is true, and major if the value is false.
This is known as a Conditional (ternary) Operator.
https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Conditional_Operator
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What's the UIScrollView contentInset property for?
...ew.
Obj-C
aScrollView.contentInset = UIEdgeInsetsMake(0, 0, 0, 7.0);
Swift 5.0
aScrollView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 7.0)
Here's a good iOS Reference Library article on scroll views that has an informative screenshot (fig 1-3) - I'll replicate it via text ...
Should import statements always be at the top of a module?
...s within a function will cause calls to that function to take longer.
So if you care about efficiency, put the imports at the top. Only move them into a function if your profiling shows that would help (you did profile to see where best to improve performance, right??)
The best reasons I've see...
MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...：
CMFCPopupMenu::SetForceMenuFocus(FALSE);
InitUserToolbars(NULL, uiFirstUserToolBarId, uiLastUserToolBarId);
EnablePaneMenu(TRUE, ID_VIEW_CUSTOMIZE, 0, ID_VIEW_TOOLBAR);
CDockingManager::SetDockingMode(DT_SMART);
EnableAutoHidePanes(CBRS_ALIGN_ANY);
EnableDocking(CBRS_ALIGN_ANY);
（...
Can Python print a function definition?
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If you are importing the function, you can use inspect.getsource:
>>> import re
>>> import inspect
>>> print inspect.getsource(re.compile)
def compile(pattern, flags=0):
"Compile a regular expr...
Trusting all certificates using HttpClient over HTTPS
...ng going over the public internet.
Your question is just what I want to know. After I did some searches, the conclusion is as follows.
In HttpClient way, you should create a custom class from org.apache.http.conn.ssl.SSLSocketFactory, not the one org.apache.http.conn.ssl.SSLSocketFactory
itself....