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setTimeout or setInterval?
...s (or a lot more if your function takes a long time to execute).
Although one might think that setInterval will execute exactly every 1000ms, it is important to note that setInterval will also delay, since JavaScript isn't a multi-threaded language, which means that - if there are other parts of th...
Why are private fields private to the type, not the instance?
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I think one reason it works this way is because access modifiers work at compile time. As such, determining whether or not a given object is also the current object isn't easy to do. For example, consider this code:
public class Foo...
Delete all tags from a Git repository
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It may be more efficient to push delete all the tags in one command. Especially if you have several hundred.
In a suitable non-windows shell, delete all remote tags:
git tag | xargs -L 1 | xargs git push origin --delete
Then delete all local tags:
git tag | xargs -L 1 | xargs...
Why is Java's boolean primitive size not defined?
... question of how
much a boolean consumes, yes it does
consume at least one byte, but due to
alignment rules it may consume much
more. IMHO it is more interesting to
know that a boolean[] will consume one
byte per entry and not one bit,plus
some overhead due to alignment and for
the s...
Visual Studio: Is there a way to collapse all items of Solution Explorer?
I know that I can use Arrow Keys to collapse items of solution explorer one by one, but I would like to know if there is a way to collapse all items with only one operation. I want to know it because, today I have a solution with 6 projects that have at least two hundred files and if I try to coll...
Why is Lisp used for AI? [closed]
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One reason everyone seems to miss is that John McCarthy wrote Lisp and was a very influential Computer Scientist, specifically in the field of AI. Naturally, a lot of his work was implemented in Lisp, and thus Lisp gained a f...
Difference between CR LF, LF and CR line break types?
...floppy disk space were at a premium, some OS designers decided to only use one of the characters, they just didn't communicate very well with one another ;-)
Most modern text editors and text-oriented applications offer options/settings etc. that allow the automatic detection of the file's end-of-l...
Printing everything except the first field with awk
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$1="" leaves a space as Ben Jackson mentioned, so use a for loop:
awk '{for (i=2; i<=NF; i++) print $i}' filename
So if your string was "one two three", the output will be:
two
three
If you want the result in one row, you could do as follows:
awk '{for (i=...
Adding custom radio buttons in android
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Hey , thanks i got the functionality done ... But the button name is being overwritten by the select option ..... how to remove that ... keeping the functionality intact .... All i am trying to achieve as i showed in my question ... Any further directions ! [Note...
What's the $unwind operator in MongoDB?
...uded a link here. Hopefully this helps, and good luck with your foray into one of the best NoSQL systems that I have come across thus far.
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