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Understanding how recursive functions work
...grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it.
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How do I make the method return type generic?
...his is really just an updated version of casting from the pre-generic days and doesn't add any additional safety.
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Is there a “theirs” version of “git merge -s ours”?
...ork as expected.
Of course, doing the actual removal with the git rm command will prevent the conflict from happening in the first place.
Note: A longer form option also exists.
To use it, replace:
-X theirs
with:
--strategy-option=theirs
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What's the difference between commit() and apply() in SharedPreferences
I am using SharedPreferences in my android app. I am using both commit() and apply() method from shared preference. When I use AVD 2.3 it shows no error, but when I run the code in AVD 2.1, apply() method shows error.
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How to pass object with NSNotificationCenter
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You'll have to use the "userInfo" variant and pass a NSDictionary object that contains the messageTotal integer:
NSDictionary* userInfo = @{@"total": @(messageTotal)};
NSNotificationCenter* nc = [NSNotificationCenter defaultCenter];
[nc postNotificationName:@"eRXRe...
CSS last-child selector: select last-element of specific class, not last child inside of parent?
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not until CSS selectors level 4 is accepted and implemented by browsers, where you will have access to :nth-match(selector) and :nth-last-match(selector). See w3.org/TR/selectors4 for more detail.
– Chris
Feb 9 '15 at 22:55
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Why isn't my JavaScript working in JSFiddle?
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The function is being defined inside a load handler and thus is in a different scope. As @ellisbben notes in the comments, you can fix this by explicitly defining it on the window object. Better, yet, change it to apply the handler to the object unobtrusively: http://...
Detect permission of camera in iOS
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Check the AVAuthorizationStatus and handle the cases properly.
NSString *mediaType = AVMediaTypeVideo;
AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:mediaType];
if(authStatus == AVAuthorizationStatusAuthorized) {
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Finding all objects that have a given property inside a collection [duplicate]
... such as a Cat, which has many properties, such as age, favorite cat food, and so forth.
20 Answers
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HTML entity for the middle dot
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On a side note, the standard list-style: disc (and text-security: disc used for password fields), seems to be the Bullet • •.
– Shaun Cockerill
Sep 5 '18 at 3:31
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