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What's the difference between streams and datagrams in network programming?
...ets
stream (TCP, order and delivery guaranteed,no duplication,no length or char boundaries for data,connection-oriented,reliable, concurrency)
datagram(UDP,packet-based, connectionless, datagram size limit, data can be lost or duplicated, order not guaranteed,not reliable)
raw (direct access to lowe...
Python function overloading
...mplement in Python, in so many different ways, but I would go with:
class Character(object):
# your character __init__ and other methods go here
def add_bullet(self, sprite=default, start=default,
direction=default, speed=default, accel=default,
curve=d...
SQL - find records from one table which don't exist in another
... Phone_book USING (id)
WHERE Phone_book.id IS NULL
This will return the extra id-s that are missing in your Phone_book table.
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Override console.log(); for production [duplicate]
...e these console methods accept multiple arguments, at the cost of a little extra complexity we could support that by calling oldCons.log.apply(arguments)
– python1981
Jan 28 '18 at 12:46
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CSS @media print issues with background-color;
...oning in a project with IE8/9. The gradient (just like box-shadow) adds an extra background element that is not eliminated by the forced browser reset. would you mind to share your css?
– emik
Oct 2 '13 at 14:17
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How to disable CSS in Browser for testing purposes
...sting on the page with $('style,link[rel="stylesheet"]').remove() when the extra javascript is not overwhelmingly cumbersome.
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What does Visual Studio mean by normalize inconsistent line endings?
...iewing a file originating from a Windows computer on a
Unix system, the extra CR may be displayed as ^M or at the end of each line or as a
second line break.
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Get fully qualified class name of an object in Python
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Here's one based on Greg Bacon's excellent answer, but with a couple of extra checks:
__module__ can be None (according to the docs), and also for a type like str it can be __builtin__ (which you might not want appearing in logs or whatever). The following checks for both those possibilities:
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Display filename before matching line
...the file name out in case of a single input file. By using /dev/null as an extra input file grep "thinks" it dealing with multiple files, but /dev/null is of course empty, so it will not show up in the match list..
– Scrutinizer
Mar 18 '13 at 8:44
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What does OSGi solve?
...son, there is no special interface required for OSGi services, even a Java String object can act as an OSGi service. This strategy makes application code easier to port to another environment.
Runs Everywhere - Well, that depends. The original goal of Java was to run anywhere. Obviously, it is not p...