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Retrieving the last record in each group - MySQL
...erflow August data dump. I'll use that for benchmarking. There are 1,114,357 rows in the Posts table. This is running on MySQL 5.0.75 on my Macbook Pro 2.40GHz.
I'll write a query to find the most recent post for a given user ID (mine).
First using the technique shown by @Eric with the GROUP BY...
Disabled input text color
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-webkit-text-fill-color: #880000;
opacity: 1; /* required on iOS */
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Remove all classes that begin with a certain string
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edited Mar 28 '15 at 9:37
bluish
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answered...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools such as Cachegrind and V...
Transitioning from Windows Forms to WPF
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answered Mar 28 '13 at 14:32
RachelRachel
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Difference between Grunt, NPM and Bower ( package.json vs bower.json )
...ctly in NPM!
Google "npm as build tool" result:
https://medium.com/@dabit3/introduction-to-using-npm-as-a-build-tool-b41076f488b0#.c33e74tsa
Webpack: https://webpack.github.io/docs/installation.html
Don't get me wrong people use other workflows and I still use GULP in my legacy project(but slowl...
What would cause an algorithm to have O(log log n) complexity?
...are root of the size at each layer?
For example, let's take the number 65,536. How many times do we have to divide this by 2 until we get down to 1? If we do this, we get
65,536 / 2 = 32,768
32,768 / 2 = 16,384
16,384 / 2 = 8,192
8,192 / 2 = 4,096
4,096 / 2 = 2,048
2,048 / 2 = 1,024
1,024 / 2 = 5...
How to check if smtp is working from commandline (Linux) [closed]
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rogerdpack
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answered Aug 16 '12 at 13:40
balanvbalanv
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Why am I merging “remote-tracking branch 'origin/develop' into develop”?
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edited May 23 '17 at 12:34
Community♦
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answered Jun 20 '11 at 4:55
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What 'additional configuration' is necessary to reference a .NET 2.0 mixed mode assembly in a .NET 4
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edited Jan 24 '14 at 13:22
KyleMit
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ans...