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When to use AtomicReference in Java?
...or the java.util.concurrent framework rather than bare Atomic* unless you know what you're doing.
Two excellent dead-tree references which will introduce you to this topic:
Herlihy's excellent Art of Multiprocessor Programming
Java Concurrency in Practice
Note that (I don't know if this has ...
getString Outside of a Context or Activity
...s resources;
In MyApplication's onCreate:
resources = getResources();
Now you can use this field from anywhere in your application.
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Getting back old copy paste behaviour in tmux, with mouse
...
I use bind m set-option mouse\; display-message "Mouse is now #{?mouse,on,off}"
– Maxim Suslov
Aug 6 '18 at 10:51
...
Algorithm to compare two images
...at the minimum) a large human analysed set of test data where matches are known beforehand. If for example in your test data you have 1,000 images where 5% of them match, you now have a reasonably reliable benchmark. An algorithm that finds 10% positives is not as good as one that finds 4% of posi...
What are the differences between WCF and ASMX web services?
... web services. I have used a lot of web services in my earlier stage, and now there is this new thing introduced called WCF. I can still create WCF that function as a web service. I think there will be more stuff in WCF.
...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
... @newbieguy That worked for me. Question is, is it truly safe now? I get no error but that is a little above my understanding of what we are really dealing with here even after reading the MS article that Magnus provided.
– MatthewD
Feb 27 '19 at 1...
UISegmentedControl below UINavigationbar in iOS 7
...e same as the navigation bar. That's because they are not the same bar.
Now to remove the hairline. The "hairline" is an UIImageView that is a subview of the navigation bar. You can find it and set it as hidden. This is what Apple does in their native calendar app, for example, as well as the sto...
How do I get a file extension in PHP?
...uilt-in function to do that and not PHP (I am looking at Pythonistas right now :-)).
In fact, it does exist, but few people know it. Meet pathinfo():
$ext = pathinfo($filename, PATHINFO_EXTENSION);
This is fast and built-in. pathinfo() can give you other information, such as canonical path, depe...
How do I safely pass objects, especially STL objects, to and from a DLL?
...ta);
swap(first.dataSize, second.dataSize);
}
};
#pragma pack(pop)
Now we can create a DLL that makes use of these pod types. First we need an interface, so we'll only have one method to figure out mangling for.
//CCDLL.h: defines a DLL interface for a pod-based DLL
struct CCDLL_v1
{
virt...
Git: How to return from 'detached HEAD' state
...u want to create a new branch to retain commits you create, you may
do so (now or later) by using -b with the checkout command again.
Example:
git checkout -b <new-branch-name>
HEAD is now at 50a7153d7... Merge branch 'hotfix/1.87.1'
In a case like this you may need to use --force (when...