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Java: how to convert HashMap to array
...().toArray()[0] will be the original key for hashMap.values().toArray()[0] from the original Map. So this is extremely dangerous
– CrackerJack9
Aug 7 '11 at 18:20
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How do I use NSTimer?
...ating and Scheduling a Timer", "Stopping a Timer" and "Memory Management". From the article, creating a scheduled, non-repeating timer can be done something like this:
[NSTimer scheduledTimerWithTimeInterval:2.0
target:self
selector:@selector(targetMethod:)
userInfo:nil
repeats:NO];...
Is it possible to get all arguments of a function as single object inside that function?
... property of a non-negative Integer, and usually some indexed properties." From the mozilla link: "It is similar to an Array, but does not have any Array properties except length."
– Luke
Aug 7 '17 at 13:09
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How are virtual functions and vtable implemented?
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How are virtual functions implemented at a deep level?
From "Virtual Functions in C++":
Whenever a program has a virtual function declared, a v - table is constructed for the class. The v-table consists of addresses to the virtual functions for classes that contain one or mor...
Best way to randomize an array with .NET
...rong. As noted in the MSDN documentation, you should use something derived from System.Security.Cryptography.RandomNumberGenerator if you're doing anything security-related. For example:
using System.Security.Cryptography;
...
RNGCryptoServiceProvider rnd = new RNGCryptoServiceProvider();
string[] ...
Android ViewPager - Show preview of page on left and right
...hen we drag it to center - scale will increase to 1, and previous fragment from centre view will change scale to 0.8 when going out of screen?
– iamthevoid
Oct 16 '16 at 10:22
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How to parse a string to an int in C++?
...so, because lexical_cast is just a wrapper around stringstream, it suffers from the same problems that stringstream does: poor support for multiple number bases and poor error handling.
The best solution
Fortunately, somebody has already solved all of the above problems. The C standard library con...
Double exclamation points? [duplicate]
...g to relate to the code OP posted if foo.bar however the only reason apart from preference I can speculate is when dealing with NaN. I have editted this into my answer.
– Gazler
Feb 14 '12 at 22:25
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Using Linq to get the last N elements of a collection?
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I like it in addition to the accepted answer from kbrimington. If you do not care about the order after you have the last N records you can skip the second Reverse.
– ZoolWay
Apr 29 '14 at 10:35
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Good example of livelock?
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Doesn't getOwner method have to be synchronized as well? From Effective Java "synchronization has no effect unless both read and write".
– Sanghyun Lee
May 30 '15 at 12:11
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