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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...
How to add new line into txt file
...
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.
...
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...
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
2
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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 remove a lua table entry by its key?
...t a local function instead (saves the overhead of a global lookup for each call). I quite often import table.insert and table.remove into the local namespace if I'm using them frequently, often as something like tinsert() and tremove().
– Amber
Nov 18 '09 at 23...
SSH Private Key Permissions using Git GUI or ssh-keygen are too open
...the permissions on the whole directory, which I agree with Splash is a bad idea. If you can remember what the original permissions for the directory are, I would try to set them back to that and then do the following
cd ~/.ssh
chmod 700 id_rsa
inside the .ssh folder. That will set the id_rsa fi...
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...
IntelliJ IDEA hint parameters of method
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The action name is Parameter info (within method call arguments) (this is useful for searching it in Preferences > keymap).
– juhoautio
Feb 18 '14 at 10:52
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jQuery UI datepicker change event not caught by KnockoutJS
...emoves by the template binding)
ko.utils.domNodeDisposal.addDisposeCallback(element, function() {
$el.datepicker("destroy");
});
},
update: function(element, valueAccessor) {
var value = ko.utils.unwrapObservable(valueAccessor()),
$el = $(elem...