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How do JavaScript closures work?
How would you explain JavaScript closures to someone with a knowledge of the concepts they consist of (for example functions, variables and the like), but does not understand closures themselves?
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Remove Elements from a HashSet while Iterating [duplicate]
...et.removeIf((Integer element) -> {
return (element % 2 == 0);
});
Now your set contains only odd values.
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C# Object Pooling Pattern implementation
...This question is a little trickier than one might expect due to several unknowns: The behaviour of the resource being pooled, the expected/required lifetime of objects, the real reason that the pool is required, etc. Typically pools are special-purpose - thread pools, connection pools, etc. - becau...
How do I measure separate CPU core usage for a process?
... following...
1) Rename the binary
ln -s /usr/bin/top top2
./top2
Now .top2rc is going to be written to your $HOME
2) Set $HOME to some alternative path, since it will write its config file to the $HOME/.binary-name.rc file
HOME=./
top
Now .toprc is going to be written to the current fo...
Configure apache to listen on port other than 80
...-default.conf
And change the first line as
<VirtualHost *: 8079>
Now restart
sudo service apache2 restart
Apache will now listen on port 8079 and redirect to /var/www/html
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How do I delete specific lines in Notepad++?
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Thanks, I did that and it works. But now I'm trying to replace \n\n with just one \n but doesn't seem to work, any ideas?
– Rismo
May 27 '09 at 21:59
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JavaScript equivalent of PHP's in_array()
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There is now Array.prototype.includes:
The includes() method determines whether an array includes a certain
element, returning true or false as appropriate.
var a = [1, 2, 3];
a.includes(2); // true
a.includes(4); // false
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Differences between unique_ptr and shared_ptr [duplicate]
... Okay
unique_ptr<T> myOtherPtr = std::move(myPtr); // Okay, resource now stored in myOtherPtr
Similarly, you can do something like this:
unique_ptr<T> MyFunction() {
unique_ptr<T> myPtr(/* ... */);
/* ... */
return myPtr;
}
This idiom means "I'm returning a manag...
Can you configure log4net in code instead of using a config file?
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Link is now dead
– Toby Smith
Feb 7 '19 at 22:26
@T...
Calendar date to yyyy-MM-dd format in java
... to override Date and provide your own implementation of Date.toString(). Now before you fire up your IDE and try this, I wouldn't; it will only complicate matters. You are better off formatting the date to the format you want to use (or display).
Java 8+
LocalDateTime ldt = LocalDateTime.now().p...