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Determine if a String is an Integer in Java [duplicate]
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edited Mar 26 '15 at 16:53
Pétur Ingi Egilsson
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How to make an empty div take space
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answered Aug 5 '10 at 15:54
RitoRito
4,50133 gold badges3535 silver badges3636 bronze badges
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Python threading.timer - repeat function every 'n' seconds
I want to fire off a function every 0.5 seconds and be able to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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Debugging in Clojure? [closed]
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158
There's also dotrace, which allows you to look at the inputs and outputs of selected functions....
Disable migrations when running unit tests in Django 1.7
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+50
Look at this workaround, posted by Bernie Sumption to the Django developers mailing list:
If makemigrations has not yet been run,...
How can I make Bootstrap columns all the same height?
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1065
Solution 4 using Bootstrap 4
Bootstrap 4 uses Flexbox so there is no need for extra CSS.
Demo...
How do I start Mongo DB from Windows?
... command mongod
by default, mongodb server will start at port 27017
Step 5
(optionally) download RoboMongo and follow normal setup instructions
Step 6
Start RoboMongo and create a new connection on localhost:27017
Your MongoDB is started and connected with RoboMongo (now Robo 3T) - a th...
jQuery validate: How to add a rule for regular expression validation?
...llenpoole
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answered Apr 2 '09 at 11:38
PeterFromColognePeterFromCologne
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Pick a random element from an array
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answered Jun 5 '14 at 5:45
Lucas DerraughLucas Derraugh
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Select first row in each GROUP BY group?
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On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica:
WITH summary AS (
SELECT p.id,
p.customer,
p.total,
ROW_NUMBER() OVER(PARTITION BY p.customer
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