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deleting rows in numpy array
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The simplest way to delete rows and columns from arrays is the numpy.delete method.
Suppose I have the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To del...
How to compare strings ignoring the case
...) == 0
"Apple".casecmp("APPLE") == 0
#=> true
Alternatively, you can convert both strings to lower case (str.downcase) and compare for equality.
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Boolean vs tinyint(1) for boolean values in MySQL
...ies the semantic meaning of what you're trying to do. Also, many ORMs will convert bool into your programing language's native boolean type.
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fol...
Routes with Dash `-` Instead of Underscore `_` in Ruby on Rails
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there has to be a better and faster way to convert all routes that has undersore to hyphens
– carbonr
Mar 31 '13 at 17:59
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Why is __init__() always called after __new__()?
I'm just trying to streamline one of my classes and have introduced some functionality in the same style as the flyweight design pattern .
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Build query string for System.Net.HttpClient get
...), but then instead of using the returned NameValueCollection, immediately convert it to a Dictionary like so: var dic = values.ToDictionary(x => x, x => values[x]); Add new values to the dictionary, then pass it to the constructor of FormUrlEncodedContent and call ReadAsStringAsync().Result ...
Difference between Inheritance and Composition
Are Composition and Inheritance the same?
If I want to implement the composition pattern, how can I do that in Java?
17 Ans...
Using vagrant to run virtual machines with desktop environment
... config.vm.box = "ubuntu/bionic64"
# Optional - enlarge disk (will also convert the format from VMDK to VDI):
#config.disksize.size = "50GB"
config.vm.provider "virtualbox" do |vb|
# Display the VirtualBox GUI when booting the machine
vb.gui = true
end
# https://askubuntu.com/qu...
jQuery table sort
...k in case of case sensitivity. In this plugin 'a' != 'A'. It would work if converting the text to uppercase or lower case and then check & compare. Eg: Instead of $.text([a]) == $.text([b]) using $.text([a]).toUpperCase() == $.text([b]).toUpperCase() will fix it.
– NBK
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How to find a min/max with Ruby
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In addition to the provided answers, if you want to convert Enumerable#max into a max method that can call a variable number or arguments, like in some other programming languages, you could write:
def max(*values)
values.max
end
Output:
max(7, 1234, 9, -78, 156)
=> 12...