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PostgreSQL: How to change PostgreSQL user password?
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This let the clear password in the user's postgresql command history.
– greg
Oct 4 '12 at 7:42
126
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C# nullable string error
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System.String is a reference type and already "nullable".
Nullable<T> and the ? suffix are for value types such as Int32, Double, DateTime, etc.
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Python int to binary string?
...() function: format(n, 'b'). There is no need to parse out the placeholder and match it to an argument, go straight for the value formatting operation itself. Only use str.format() if you need to place the formatted result in a longer string (e.g. use it as a template).
– Marti...
What is the default initialization of an array in Java?
So I'm declaring and initializing an int array:
7 Answers
7
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How to get a microtime in Node.js?
...cess.hrtime() is available within Node.js - its resolution are nanoseconds and therefore its much higher, also this doesn't mean it has to be more exact.
PS.: Just to be clearer, process.hrtime() returns you a tuple Array containing the current high-resolution real time in a [seconds, nanoseconds]
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How does numpy.histogram() work?
...ere are 3 bins, for values ranging from 0 to 1 (excl 1.), 1 to 2 (excl. 2) and 2 to 3 (incl. 3), respectively. The way Numpy defines these bins if by giving a list of delimiters ([0, 1, 2, 3]) in this example, although it also returns the bins in the results, since it can choose them automatically f...
What happens if you don't commit a transaction to a database (say, SQL Server)?
...s long as you don't COMMIT or ROLLBACK a transaction, it's still "running" and potentially holding locks.
If your client (application or user) closes the connection to the database before committing, any still running transactions will be rolled back and terminated.
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Detecting which UIButton was pressed in a UITableView
...onTapped:) forControlEvents:UIControlEventTouchUpInside];
Then in touch handler touch coordinate retrieved and index path is calculated from that coordinate:
- (void)checkButtonTapped:(id)sender
{
CGPoint buttonPosition = [sender convertPoint:CGPointZero toView:self.tableView];
NSIndexPa...
Differences between git pull origin master & git pull origin/master
What is the difference between git pull origin master and git pull origin/master ?
3 Answers
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HTML5 placeholder css padding
I've seen this post already and tried everything I could to change the padding for my placeholder but alas, it seems it just doesn't want to cooperate.
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