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Clojure differences between Ref, Var, Agent, Atom, with examples
...here to use Ref, Var, Agent, Atom. I read book, but, still couldn't understand the real world examples.
5 Answers
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On design patterns: When should I use the singleton?
...ptable" reasons to use a Singleton.
One reason that tends to come up over and over again on the internets is that of a "logging" class (which you mentioned). In this case, a Singleton can be used instead of a single instance of a class because a logging class usually needs to be used over and over ...
What is the way to quick-switch between tabs in Xcode 4
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That should be command + shift + ..., I think. At least on my machine.
– Chris Ladd
Feb 7 '12 at 21:54
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What is the difference between a.getClass() and A.class in Java?
...oth in different circumstances (just like there are with Class.forName() and ClassLoader.loadClass() .
7 Answers
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Can I find out the return value before returning while debugging in Intellij?
...oint on Object method(){ . This will allow you to watch for the entrance and exit of the method. I believe you have to use this in conjunction with "Watch method return values" like stated above, but I haven't been able to completely test this as it takes too long to compute. Beware, this does dr...
How to write a large buffer into a binary file in C++, fast?
I'm trying to write huge amounts of data onto my SSD(solid state drive). And by huge amounts I mean 80GB.
12 Answers
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Effect of a Bitwise Operator on a Boolean in Java
The bitwise operators are supposed to travel variables and operate on them bit by bit. In the case of integers, longs, chars this makes sense. These variables can contain the full range of values enforced by their size.
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Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)
...ion. Please don't do that.
Your PHP code may have a memory leak somewhere and you are telling the server to just use all the memory that it wants. You wouldn't have fixed the problem at all. If you monitor your server, you will see that it is now probably using up most of the RAM and even swapping...
Node.js and CPU intensive requests
I've started tinkering with Node.js HTTP server and really like to write server side Javascript but something is keeping me from starting to use Node.js for my web application.
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What is the meaning of prepended double colon “::”?
...wered Nov 24 '10 at 16:27
Wyatt AndersonWyatt Anderson
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