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How to use MySQL DECIMAL?
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DOUBLE columns are not the same as DECIMAL columns, and you will get in trouble if you use DOUBLE columns for financial data.
DOUBLE is actually just a double precision (64 bit instead of 32 bit) version of FLOAT. Floating point numbers are approximate representations of real...
Accessing outside variable using anonymous function as params
Basically I use this handy function to processing db rows (close an eye on PDO and/or other stuff)
2 Answers
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Unable to hide welcome screen in Emacs
...l customization group
then select environment group, then initialization, and set inhibit startup screen to on.
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What is the difference between up-casting and down-casting with respect to class variable
What is the difference between up-casting and down-casting with respect to class variable?
10 Answers
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background function in Python
...mes displays images to the user. The images can, at times, be quite large, and they are reused often. Displaying them is not critical, but displaying the message associated with them is. I've got a function that downloads the image needed and saves it locally. Right now it's run inline with the code...
Find the most frequent number in a numpy vector
...s:
http://docs.scipy.org/doc/numpy/reference/generated/numpy.bincount.html
and then probably use np.argmax:
a = np.array([1,2,3,1,2,1,1,1,3,2,2,1])
counts = np.bincount(a)
print(np.argmax(counts))
For a more complicated list (that perhaps contains negative numbers or non-integer values), you can us...
How to read and write INI file with Python3?
I need to read, write and create an INI file with Python3.
6 Answers
6
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How to set limits for axes in ggplot2 R plots?
... 5000))
Where the first removes all data points outside the given range and the second only adjusts the visible area. In most cases you would not see the difference, but if you fit anything to the data it would probably change the fitted values.
You can also use the shorthand function xlim (or y...
Passing multiple error classes to ruby's rescue clause in a DRY fashion
...splat operator *.
EXCEPTIONS = [FooException, BarException]
begin
a = rand
if a > 0.5
raise FooException
else
raise BarException
end
rescue *EXCEPTIONS
puts "rescued!"
end
If you are going to use a constant for the array as above (with EXCEPTIONS), note that you cannot defin...
Moving default AVD configuration folder (.android)
After installation of Android SDK, there was created .android folder on the E:\ drive. As far as I know this is the default folder of Android Virtual Devices for configuration files.
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