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Remove duplicate rows in MySQL
I have a table with the following fields:
25 Answers
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Reintegrate can only be used if revisions X through Y were previously merged from to reintegra
Been using SVN branches with Tortoise 1.6. I've been periodically merging the trunk into the branch to keep it up to date.
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Converting camel case to underscore case in ruby
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edited Jun 28 '14 at 17:23
Paweł Gościcki
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Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...You are not telling the SQL engine how to do the work.
As a general rule, it is a good idea to let the SQL engine and SQL optimizer find the best query plan. There are many person-years of effort that go into developing a SQL engine, so let the engineers do what they know how to do.
Of course, th...
What's the difference between console.dir and console.log?
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In Firefox, these function behave quite differently: log only prints out a toString representation, whereas dir prints out a navigable tree.
In Chrome, log already prints out a tree -- most of the time. However, Chrome's log still stringifies certain classes o...
How to re-sign the ipa file?
How do I sign the .ipa file with a provisioning profile after I generate an IPA like the following with a different provision profile? I would like to sign the IPA with an ad-hoc provisioning profile for beta testing, and then re-sign the exact IPA with an app submission provisioning profile for the...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
Because of the Twitter API 1.0 retirement as of June 11th 2013 , the script below does not work anymore.
14 Answers
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When should I use the “strictfp” keyword in java?
...tation is free to use extra precision where available.
From the JLS:
Within an FP-strict expression, all
intermediate values must be elements
of the float value set or the double
value set, implying that the results
of all FP-strict expressions must be
those predicted by IEEE 754 arit...
How to check if a map contains a key in Go?
I know I can iterate over a map m by,
10 Answers
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Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
...ng System.Linq; from this system class.
and also add using System.Data.Entity; to the code
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