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Does use of final keyword in Java improve the performance?
...s, HotSpot keeps track of whether the method has actually been overridden, and is able to perform optimizations such as inlining on the assumption that a method hasn't been overridden - until it loads a class which overrides the method, at which point it can undo (or partially undo) those optimizati...
Linux command to list all available commands and aliases
Is there a Linux command that will list all available commands and aliases for this terminal session?
20 Answers
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What is __pycache__?
From what I understand, a cache is an encrypted file of similar files.
10 Answers
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Use of Finalize/Dispose method in C#
...have to, but you give inheritors of your class a hook to call your Dispose and implement a finalizer themselves if they use unmanaged resources directly:
public class C : B
{
private IntPtr m_Handle;
protected override void Dispose(bool disposing)
{
if (disposing)
{
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How does Tortoise's non recursive commit work?
...older structure). So basically there are a lot of deletions (of old files) and additions (of new files).
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How do I use boolean variables in Perl?
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@BlueWaldo: you can also use cmp and <=> when comparing and assigning the results of the comparison to a scalar. $var = $var1 cmp $var2; 'cmp' and '<=>' (used for numeric comparisons) returns -1, 0, or 1 if left argument is less than, equal to,...
Worst security hole you've seen? [closed]
...opping cart. The software properly calculated the total cost as .1 * cost, and the human packing the order simply glossed over the odd "." in front of the quantity to pack :)
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Django rest framework, use different serializers in the same ModelViewSet
I would like to provide two different serializers and yet be able to benefit from all the facilities of ModelViewSet :
6 A...
C# “as” cast vs classic cast [duplicate]
... thrown. With the as method, it results in null, which can be checked for, and avoid an exception being thrown.
Also, you can only use as with reference types, so if you are typecasting to a value type, you must still use the "classic" method.
Note:
The as method can only be used for types that c...
Go to beginning of line without opening new line in VI
For ages now I've used SHIFT O and SHIFT $ to move to the beginning and end of a line in vi .
10 Answers
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