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How to save MySQL query output to excel or .txt file? [duplicate]
...ion which
accepts data in CSV format.
Given a query such as
SELECT order_id,product_name,qty FROM orders
which returns three columns of data, the results can be placed into
the file /tmp/orders.txt using the query:
SELECT order_id,product_name,qty FROM orders
INTO OUTFILE '/tmp/orde...
Tricks to manage the available memory in an R session
...
That's a good technique. When files are run in a certain order like that, I often prefix them with a number: 1-load.r, 2-explore.r, 3-model.r - that way it's obvious to others that there is some order present.
– hadley
Sep 4 '09 at 13:02
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How do I find the .NET version?
...sion 4.0. The v4.0.30319 is your Visual C# compiler version, therefore, in order to find the .NET framework version do the following.
Go to a command prompt and follow this path:
C:\Windows\Microsoft.NET\Framework\v4.0.30319 (or whatever the highest v number folder)
C:\Windows\Microsoft.NET\Frame...
Prepend a level to a pandas MultiIndex
...oo'
df.set_index('Firstlevel', append=True, inplace=True)
And change the order if needed with:
df.reorder_levels(['Firstlevel', 'A', 'B'])
Which results in:
Vals
Firstlevel A B
Foo a1 b1 0.871563
b2 0.494001
a2 b3 -0.167811
...
Swift how to sort array of custom objects by property value
...rted(by: { $0.fileID > $1.fileID })
The example above gives desc sort order
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How to specify the order of CSS classes?
...little confused about CSS and the class attribute. I always thought, the order in which I specify multiple classes in the attribute value has a meaning. The later class could/should overwrite definitions of the previous, but this doesn't seem to work. Here's an example:
...
Booleans, conditional operators and autoboxing
...oolean.
So, the first example tries to call Boolean.booleanValue() in order to convert Boolean to boolean as per the first rule.
In the second case the first operand is of the null type, when the second is not of the reference type, so autoboxing conversion is applied:
Otherwise, the s...
Getting individual colors from a color map in matplotlib
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In order to get rgba integer value instead of float value, we can do
rgba = cmap(0.5,bytes=True)
So to simplify the code based on answer from Ffisegydd, the code would be like this:
#import colormap
from matplotlib import cm...
ADB not recognising Nexus 4 under Windows 7
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@TimBellis, I got the USB driver via SDK Manager.exe. In order to get that to run I had to set JAVA_HOME to the location of my JDK.
– Ben Challenor
Feb 9 '13 at 12:14
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defaultdict of defaultdict?
Is there a way to have a defaultdict(defaultdict(int)) in order to make the following code work?
6 Answers
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