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Can TCP and UDP sockets use the same port?
First of all, is there any problem with using both UDP and TCP on the same server?
2 Answers
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Add a new line in file?
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Check that you have "\n" and not '\n'
– Marklar
Dec 19 '12 at 11:12
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python's re: return True if string contains regex pattern
...working on a similar case where I want to search for an exact string (xyz) and want to know which is a more efficient way to do this, should I use python's 'xyz' in given_text or use re.compile(r'xyz').search(given_text) ?
– bawejakunal
May 4 '16 at 9:01
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How to add 10 days to current time in Rails
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10.days.from_now
Both definitely work. Are you sure you're in Rails and not just Ruby?
If you definitely are in Rails, where are you trying to run this from? Note that Active Support has to be loaded.
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jQuery get the image src
I hope when I click the button, I can get the specific img src and show the img src in the div class img-block block.
5 A...
How to center a label text in WPF?
...text. To control the alignment you can use a TextBlock instead of a label and set the TextAlignment attribute to whatever you need.
– Paul Stegler
Sep 21 '13 at 7:20
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Why is parenthesis in print voluntary in Python 2.7?
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In Python 2.x print is actually a special statement and not a function*.
This is also why it can't be used like: lambda x: print x
Note that (expr) does not create a Tuple (it results in expr), but , does. This likely results in the confusion between print (x) and print (x, ...
Method overloading in Objective-C?
...ring *)aString;
(the names of the two methods are "writeToFile:fromInt:" and "writeToFile:fromString:").
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MySQL/SQL: Group by date only on a Datetime column
...able GROUP BY DATE(a_table.mydate);
Or you can GROUP BY the alias as @orlandu63 suggested:
SELECT SUM(foo), DATE(mydate) DateOnly FROM a_table GROUP BY DateOnly;
Though I don't think it'll make any difference to performance, it is a little clearer.
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Changing the size of a column referenced by a schema-bound view in SQL Server
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The views are probably created using the WITH SCHEMABINDING option and this means they are explicitly wired up to prevent such changes. Looks like the schemabinding worked and prevented you from breaking those views, lucky day, heh? Contact your database administrator and ask him to do the c...