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What is an index in SQL?
...e file the value is stored.
In MySQL you can use EXPLAIN in front of your SELECT statement to see if your query will make use of any index. This is a good start for troubleshooting performance problems. Read more here:
http://dev.mysql.com/doc/refman/5.0/en/explain.html
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Getting list of lists into pandas DataFrame
...readsheet into pandas. DataNitro has a method that returns a rectangular selection of cells as a list of lists. So
3 An...
Convert a string to an enum in C#
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Come on, how many of you implemented that selected answer from 2008 to only scroll down and find this is the better (modern) answer.
– TEK
Mar 18 '16 at 14:47
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Java : How to determine the correct charset encoding of a stream
...ch present you a snippet of the file in different encodings and ask you to select the "correct" one.
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How to customize an end time for a YouTube video?
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This is convenient since you can visually select the times instead of calculating the seconds! While it doesn't seem to work in the example on the bottom, the generated link does work.
– Aaron Thoma
Jun 24 '15 at 12:19
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AsyncTask Android example
...ticed that your onClick listener does not check to see which View has been selected. I find the easiest way to do this is via switch statements. I have a complete class edited below with all suggestions to save confusion.
import android.app.Activity;
import android.os.AsyncTask;
import android.os.B...
Pass complex parameters to [Theory]
...ssing a custom type as the Theory input which seems to be missing from the selected answer.
– J.D. Cain
Aug 28 '19 at 11:32
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How to Implement Custom Table View Section Headers and Footers with Storyboard
...that tapping the section header causes the first cell in the section to be selected.
As Paul Von points out, this is fixed by returning the cell's contentView instead of the whole cell.
However, as Hons points out, a long press on said section header will crash the app.
The solution is to remove...
Call AngularJS from legacy code
...m a Module directly to it's scope - is that possible? Having to go back an select the [ng-app] root-node seems backwards when I already have a reference to the Module...
– mindplay.dk
Jul 25 '12 at 14:00
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How to set custom favicon in Express?
...rts, maybe add something from another vector clipart image, then to export select the parts to export and click file>export, pick size like 16x16 for favicon or 32x32. for further edit 128x128 or 256x256. ico package can have several icon sizes inside. it can have along with 16x16 pixel favicon a...