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@property retain, assign, copy, nonatomic in Objective-C
...gners opted for the safer of the two solutions. In fact nonatomic is generally the better choice as it omits extremely expensive thread locks. The only reason to use atomic is if your property might be set from multiple threads (in which case omitting it can lead to an over-release or a leak).
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setTimeout in for-loop does not print consecutive values [duplicate]
...vident over the fact that setting up a few timeouts causes the handlers to all fire at the same time. It's important to understand that the process of setting up the timer — the calls to setTimeout() — take almost no time at all. That is, telling the system, "Please call this function after 1000...
Do interfaces inherit from Object class in java
...hey don't. And there is no common "root" interface implicitly inherited by all interfaces either (as in the case with classes) for that matter.(*)
If no then how we are able to call the method of object class on interface instance
An interface implicitly declared one method for each public method ...
What does the 'static' keyword do in a class?
...llion instances of the class or you don't create any. It will be shared by all instances.
Since static methods also do not belong to a specific instance, they can't refer to instance members. In the example given, main does not know which instance of the Hello class (and therefore which instance of...
How do you attach and detach from Docker's process?
... @czerasz
– PravyNandas
Jan 9 at 18:32
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What is pip's equivalent of `npm install package --save-dev`?
In nodejs, I can do npm install package --save-dev to save the installed package into the package.
8 Answers
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What’s the best RESTful method to return total number of items in an object?
...ly the most RESTful thing to do if fetch limits are going to be imposed at all.
– Donal Fellows
Sep 15 '10 at 9:06
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What is the default initialization of an array in Java?
... (whose decimal equivalent is 0).
When you create an array of something, all entries are also zeroed. So your array contains five zeros right after it is created by new.
Note (based on comments): The Java Virtual Machine is not required to zero out the underlying memory when allocating local va...
Does functional programming replace GoF design patterns?
...ve read a huge number of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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Visual Studio : short cut Key : Duplicate Line
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– ᴍᴀᴛᴛ ʙᴀᴋᴇʀ
Apr 4 '14 at 10:32
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visualstudiogallery.msdn.microsoft.com/… works for vse...