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MySql Table Insert if not exist otherwise update
...NSERT INTO AggregatedData (datenum,Timestamp)
VALUES ("734152.979166667","2010-01-14 23:30:00.000")
ON DUPLICATE KEY UPDATE
Timestamp=VALUES(Timestamp)
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How to capture UIView to UIImage without loss of quality on retina display
... UIGraphicsBeginImageContextWithOptions (as documented on this page). Pass 0.0 for scale (the third argument) and you'll get a context with a scale factor equal to that of the screen.
UIGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on ...
How does one make random number between range for arc4random_uniform()?
...m(UInt32). I attempted using the range of (1..7) to avoid randomly getting 0 however that returned an error which I didn't enjoy too much. I tried to do this:
...
How to submit a form using PhantomJS
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230
I figured it out. Basically it's an async issue. You can't just submit and expect to render the ...
What does “abstract over” mean?
... numbers under a single symbol ns:
def sumOf(ns: List[Int]) = ns.foldLeft(0)(_ + _)
And we don't particularly care that it's a List either. List is a specific type constructor (takes a type and returns a type), but we can abstract over the type constructor by specifying which essential characteri...
How can I check for an empty/undefined/null string in JavaScript?
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edited Jun 2 '18 at 0:29
user5779136
answered Sep 30 '08 at 17:20
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Or versus OrElse
...te the second term.
OrElse knows this, so doesn't try and evaluate temp = 0 once it's established that temp Is DBNull.Value
Or doesn't know this, and will always attempt to evaluate both terms. When temp Is DBNull.Value, it can't be compared to zero, so it falls over.
You should use... well, whic...
How to execute a java .class from the command line
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edited May 23 '17 at 10:31
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111 silver badge
answered Aug 14 '09 at 18:53
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How can you get the SSH return code using Paramiko?
....set_missing_host_key_policy(paramiko.WarningPolicy())
client.connect('127.0.0.1', password=pw)
while True:
cmd = raw_input("Command to run: ")
if cmd == "":
break
chan = client.get_transport().open_session()
print "running '%s'" % cmd
chan.exec_command(cmd)
print "e...
Can I serve multiple clients using just Flask app.run() as standalone?
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305
flask.Flask.run accepts additional keyword arguments (**options) that it forwards to werkzeug.s...