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Idiomatic way to wait for multiple callbacks in Node.js
...ct instead of an array
async.series({
one: function(callback){
setTimeout(function(){
callback(null, 1);
}, 200);
},
two: function(callback){
setTimeout(function(){
callback(null, 2);
}, 100);
},
},
function(err, results) {
...
List all developers on a project in Git
Is it possible to list all users that contributed to a project (users that have done commits) in Git?
9 Answers
...
How do I use vim registers?
I only know of one instance using registers is via Ctrl R * whereby I paste text from a clipboard.
16 Answers
...
UICollectionView spacing margins
...
You can use the collectionView:layout:insetForSectionAtIndex: method for your UICollectionView or set the sectionInset property of the UICollectionViewFlowLayout object attached to your UICollectionView:
- (UIEdgeInsets)collectionView:(UICollectionView *)collectio...
Do I need to manually close an ifstream?
...ould occur if the file fails to close correctly? Remember that close calls setstate(failbit) if it fails. The destructor will call close() for you automatically because of RAII but will not leave you a way of testing the fail bit as the object no longer exists.
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How to create a file in Linux from terminal window? [closed]
What's the easiest way to create a file in Linux terminal?
17 Answers
17
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Delete column from SQLite table
I have a problem: I need to delete a column from my SQLite database. I wrote this query
10 Answers
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Iterating over each line of ls -l output
...
Set IFS to newline, like this:
IFS='
'
for x in `ls -l $1`; do echo $x; done
Put a sub-shell around it if you don't want to set IFS permanently:
(IFS='
'
for x in `ls -l $1`; do echo $x; done)
Or use while | read instea...
Value of i for (i == -i && i != 0) to return true in Java
I have the following if condition.
6 Answers
6
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Setting default permissions for newly created files and sub-directories under a directory in Linux?
...
To get the right ownership, you can set the group setuid bit on the directory with
chmod g+rwxs dirname
This will ensure that files created in the directory are owned by the group. You should then make sure everyone runs with umask 002 or 007 or something...