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Map vs Object in JavaScript
... well. With memory management objects also do seem to free earlier if I am reading the profile correctly which might be one benefit in favor of objects.
In Firefox for this particular benchmark it is a different story:
Object Set Took: 435
Object Update Took: 126
Object Get Took: 50
Object Delete To...
Convert data.frame column format from character to factor
...hange all character variables in your data.frame to factors after you've already loaded your data, you can do it like this, to a data.frame called dat:
character_vars <- lapply(dat, class) == "character"
dat[, character_vars] <- lapply(dat[, character_vars], as.factor)
This creates a vect...
mkdir's “-p” option
...
Allows one to list the contents of a directory. It does not allow the reading of files.
i (insert)
Allows one to create new files in a directory or copy new files to a directory.
d (delete)
Allows one to remove files and sub-directories from a directory.
a (administer)
Allows one...
How to check if a query string value is present via JavaScript?
..., but your code is really sloppy. Where are you curly braces? You should read "The Good Parts" where code written a style without curly braces has been proven to fail under certain conditions and produces confusion during maintenance.
– austin cheney
Aug 22 '...
Sharing Test code in Maven
...
I was confused when first reading this answer... That's actually because it does not make sense on its own, you should first read the below answer: stackoverflow.com/questions/174560/…
– TanguyP
Jul 28 '15 at 1...
JavaScript single line 'if' statement - best syntax, this alternative? [closed]
...ckets on a single line if statement is not ideal for maintainability and readability.
13 Answers
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How do I properly clean up Excel interop objects?
...ets);
Marshal.ReleaseComObject(sheet);
POST MORTEM UPDATE:
I want every reader to read this answer by Hans Passant very carefully as it explains the trap I and lots of other developers stumbled into. When I wrote this answer years ago I didn't know about the effect the debugger has to the garbage...
What is going wrong when Visual Studio tells me “xcopy exited with code 4”
...e accepted answer, the error can also occur when the destination folder is read-only (Common when using TFS)
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Should switch statements always contain a default clause?
...ode that accesses the variable doesn't raise an error.
3. To show someone reading your code that you've covered that case.
variable = (variable == "value") ? 1 : 2;
switch(variable)
{
case 1:
// something
case 2:
// something else
default:
// will NOT execute be...
I get exception when using Thread.sleep(x) or wait()
...
You have a lot of reading ahead of you. From compiler errors through exception handling, threading and thread interruptions. But this will do what you want:
try {
Thread.sleep(1000); //1000 milliseconds is one second.
} ca...