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What does it mean when MySQL is in the state “Sending data”?
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This is quite a misleading status. It should be called "reading and filtering data".
This means that MySQL has some data stored on the disk (or in memory) which is yet to be read and sent over. It may be the table itself, an index, a temporary table, a sorted output etc.
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How to remove duplicate values from a multi-dimensional array in PHP
...code instead of PHP serialization. should have benefits for the values provided and you don't run into PHP serialization details that serialize/unserialize ships with and most likely are unwanted.
– hakre
Aug 23 '14 at 13:38
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How to get a complete list of ticker symbols from Yahoo Finance? [closed]
... the list by iterating through the alphabetical groups:
AlphabeticIDIndexDownload dl1 = new AlphabeticIDIndexDownload();
dl1.Settings.TopIndex = null;
Response<AlphabeticIDIndexResult> resp1 = dl1.Download();
writeStream.WriteLine("Id|Isin|Name|Exchange|Type|I...
Android: integer from xml resource
... look like this:
Create an xml resources file in the folder /res/values/ called integers.xml.
You are free to give it any name as you want, but choose one that is obvious.
In that resources file, create your integer values.
Your file then looks something like that:
<?xml version="1.0" encodi...
Matplotlib Legends not working
..., "plot1" and "plot2" are tuples instead of line objects, making the later call to plt.legend() fail.
The comma implicitly unpacks the results so that instead of a tuple, "plot1" and "plot2" automatically become the first objects within the tuple, i.e. the line objects you actually want.
http://m...
Return 0 if field is null in MySQL
...(SELECT SUM(uop.price * uop.qty) FROM uc_order_products uop WHERE uo.order_id = uop.order_id) AS products_subtotal, 0)?
– Kevin
Oct 22 '10 at 13:46
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ERROR: permission denied for sequence cities_id_seq using Postgres
...ce PostgreSQL 8.2 you have to use:
GRANT USAGE, SELECT ON SEQUENCE cities_id_seq TO www;
GRANT USAGE - For sequences, this privilege allows the use of the currval and nextval functions.
Also as pointed out by @epic_fil in the comments you can grant permissions to all the sequences in the schema ...
How to add new line into txt file
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Why not do it with one method call:
File.AppendAllLines("file.txt", new[] { DateTime.Now.ToString() });
which will do the newline for you, and allow you to insert multiple lines at once if you want.
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How to design a database for User Defined Fields?
.... a table per UDF (really, this is a variant of #2). This answer is specifically tailored to this situation and the description of the data distribution and access patterns described.
Pros:
Because you indicate that some UDFs
have values for a small portion of
the overall data set, a separate
tab...
SQL statement to get column type
... I upvoted as this is although not exactely the answer but provides valuable information to me. E.g. the "IsComputed" information I didn't find in the Information schema but I can find in the sp_help procedure code and copy from there.
– Christoph
S...