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++someVariable vs. someVariable++ in JavaScript
... the value of the expression is the original value"
Now when used as a standalone statement, they mean the same thing:
x++;
++x;
The difference comes when you use the value of the expression elsewhere. For example:
x = 0;
y = array[x++]; // This will get array[0]
x = 0;
y = array[++x]; // Thi...
What is the Objective-C equivalent for “toString()”, for use with NSLog?
... Note if you're using CoreData, the description property is reserved ...and will provide useful debugging information! In that case you'll need to come up with your own unique method name.
– Nuthatch
Dec 7 '13 at 4:09
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grepping using the “|” alternative operator
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@stalinko: you should be able to use the time command to find out.
– Nathan Fellman
Jun 7 '14 at 20:11
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Access to Modified Closure (2)
...need to re-declare a variable inside the foreach - otherwise it is shared, and all your handlers will use the last string:
foreach (string list in lists)
{
string tmp = list;
Button btn = new Button();
btn.Click += new EventHandler(delegate { MessageBox.Show(tmp); });
}
Significantly,...
How to change cursor from pointer to finger using jQuery?
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If possible, do this via CSS (say with a :hover selector) and avoid jquery altogether.
– The Who
Dec 3 '09 at 23:06
8
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View a file in a different Git branch without changing branches
...it show branch:file
Where branch can be any ref (branch, tag, HEAD, ...) and file is the full path of the file. To export it you could use
git show branch:file > exported_file
You should also look at VonC's answers to some related questions:
How to retrieve a single file from specific revi...
“git diff” does nothing
...figuration error somewhere, but I can't figure out where. Regular git commands appear to work fine, but "git diff" does nothing. To be safe, I removed external diff tools from my .gitconfig file. This was installed via MacPorts and is the lates version (1.7.2.2).
...
Git - deleted some files locally, how do I get them from a remote repository
...e HEAD~n, or simply fire up gitk, find the SHA1 of the appropriate commit, and paste it in.
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Resolve conflicts using remote changes when pulling from Git remote
...em in the history again, you're not asking how to pull - pull means merge, and you don't need to merge. All you need do is this:
# fetch from the default remote, origin
git fetch
# reset your current branch (master) to origin's master
git reset --hard origin/master
I'd personally recommend creati...
Nested classes' scope?
I'm trying to understand scope in nested classes in Python. Here is my example code:
6 Answers
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