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Practical uses for AtomicInteger
...pports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.
Here is an example of non-blocking random number generator from Brian Göetz's Java Concurrency In Practice:
public class AtomicPseudoRandom extends PseudoRandom {
private AtomicInteger seed;
Atomi...
Getting the first character of a string with $str[0]
...ant to get the first letter of a string and I've noticed that $str[0] works great. I am just not sure whether this is 'good practice', as that notation is generally used with arrays. This feature doesn't seem to be very well documented so I'm turning to you guys to tell me if it's all right – in...
How to create and write to a txt file using VBA
...are repetitive in that file, only the hex values are changing, I want to make it a tool generated file.
5 Answers
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Invert “if” statement to reduce nesting
...d is not necessarily bad. It might be better to return immediately if it makes the intent of the code clearer. For example:
double getPayAmount() {
double result;
if (_isDead) result = deadAmount();
else {
if (_isSeparated) result = separatedAmount();
else {
...
Outputting data from unit test in python
...
Very late answer for someone that, like me, comes here looking for a simple and quick answer.
In Python 2.7 you could use an additional parameter msg to add information to the error message like this:
self.assertEqual(f.bar(t2), 2, msg='{0}, {1}'.format(t1, t2...
Are inline virtual functions really a non-sense?
...e only time an inline virtual call
can be inlined is when the compiler
knows the "exact class" of the object
which is the target of the virtual
function call. This can happen only
when the compiler has an actual object
rather than a pointer or reference to
an object. I.e., either with ...
What's the best mock framework for Java? [closed]
What's the best framework for creating mock objects in Java? Why? What are the pros and cons of each framework?
14 Answers
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How do I enable MSDTC on SQL Server?
...
Use this for windows Server 2008 r2 and Windows Server 2012 R2
Click Start, click Run, type dcomcnfg and then click OK to open Component Services.
In the console tree, click to expand Component Services, click to expand Computers, click to expand My Computer, click to expand Distributed Tran...
How does a debugger work?
I keep wondering how does a debugger work? Particulary the one that can be 'attached' to already running executable. I understand that compiler translates code to machine language, but then how does debugger 'know' what it is being attached to?
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Is std::vector copying the objects with a push_back?
... investigations with valgrind, I've made the conclusion that std::vector makes a copy of an object you want to push_back.
8...