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R memory management / cannot allocate vector of size n Mb
...eate the object you need in one session.
If the above cannot help, get a 64-bit machine with as much RAM as you can afford, and install 64-bit R.
If you cannot do that there are many online services for remote computing.
If you cannot do that the memory-mapping tools like package ff (or bigmem...
Remove Safari/Chrome textinput/textarea glow
...
On textarea resizing in webkit based browsers:
Setting max-height and max-width on the textarea will not remove the visual resize handle. Try:
resize: none;
(and yes I agree with "try to avoid doing anything which breaks the user's expectation", but ...
How to clear jQuery validation error messages?
...onditionally validate parts of a form while the form was being constructed based on steps (i.e. certain inputs were dynamically appended during runtime). As a result, sometimes a select dropdown would need validation, and sometimes it would not. However, by the end of the ordeal, it needed to be val...
In Python, what is the difference between “.append()” and “+= []”?
...a local function.
time results are different on different python versions: 64 and 32 bit
e.g.
timeit.Timer('for i in xrange(100): app(i)', 's = [] ; app = s.append').timeit()
good tests can be found here: http://markandclick.com/1/post/2012/01/python-list-append-vs.htm...
Django: Why do some model fields clash with each other?
...
The OP isn't using a abstract base class... but if you are, you will find that hard coding the related_name in the FK (e.g. ..., related_name="myname") will result in a number of these conflict errors - one for each inherited class from the base class. Th...
Best way to work with dates in Android SQLite [closed]
...per.
JDBC has different methods to get actual date/time values from a database: java.sql.Date, java.sql.Time, and java.sql.Timestamp.
The related methods in java.sql.ResultSet are (obviously) getDate(..), getTime(..), and getTimestamp() respectively.
For example:
Statement stmt = ... // Get stat...
Best practices around generating OAuth tokens?
...ns without any record on host.
So we changed it to store everything in database and the token is simply an random number used as the key to the database. It has an username index so it's easy to list all the tokens for an user and revoke it.
We get quite few hacking activities. With random number, w...
Check play state of AVPlayer
...timeControlStatus
For example, this function plays or pauses the avPlayer based on it's status and updates the play/pause button appropriately.
@IBAction func btnPlayPauseTap(_ sender: Any) {
if aPlayer.timeControlStatus == .playing {
aPlayer.pause()
btnPlay.setImage(UIImage(na...
Rake just one migration
... # => 0
This was for ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux] and Rails 3.2.13.
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Get cursor position (in characters) within a text Input field
...ode for pointing this out.
Old answer:
Found this solution. Not jquery based but there is no problem to integrate it to jquery:
/*
** Returns the caret (cursor) position of the specified text field (oField).
** Return value range is 0-oField.value.length.
*/
function doGetCaretPosition (oField)...