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What's the difference between an exclusive lock and a shared lock?
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Principle same on the database side as well. As per the Oracle documentation
Exclusive lock mode prevents the associated resource from being shared. This lock mode is obtained to modify data. The first transaction to lock a resource exclusively is th...
Java generics type erasure: when and what happens?
...el confused or uncomfortable with the technique. If you have a shared code base or plan to release your code to the public, I do not recommend the above technique. On the other hand, if you are the sole user of your code, you can take advantage of the power this technique delivers to you.
Sample co...
Difference between size_t and std::size_t
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Handler vs AsyncTask vs Thread [closed]
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actually asynctask is also based on handler and futuretask, see
– Sumit
Aug 23 '16 at 6:16
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What is a 'Closure'?
...ameters to x it must somehow remember the count. It knows where to find it based on what's called lexical scoping - it must look to the spot where it's defined to find the value. This "hidden" value is what is called a closure.
Here is my currying example again:
function add (a) {
return functio...
font-style: italic vs oblique in CSS
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Embed git commit hash in a .Net dll
...1: make an AssemblyInfo_template.cs file in the Project\Properties folder, based on your original AssemblyInfo.cs but containing:
[assembly: AssemblyVersion("$FILEVERSION$")]
[assembly: AssemblyFileVersion("$FILEVERSION$")]
[assembly: AssemblyInformationalVersion("$INFOVERSION$")]
Step 2: Create ...
Does MySQL ignore null values on unique constraints?
... I want to be unique. But I also want it to accept null values. Can my database have 2 null emails that way?
4 Answers
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How does Bluebird's util.toFastProperties function make an object's properties “fast”?
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Do try/catch blocks hurt performance when exceptions are not thrown?
...r version), but it was no difference in the Release version.
Conclution:
Based on these test, I think we can say that Try/Catch does have a small impact on performance.
EDIT:
I tried to increase the loop value from 10000000 to 1000000000, and ran again in Release to get some differences in the re...