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Logical operators (“and”, “or”) in DOS batch
... The 'or' condition you describe is slick and works great for a range of numbers, but what if I am comparing 2 independent values, and not a range? For example, if this file exists or filename == ""
– bakoyaro
Dec 14 '17 at 21:10
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What does the “Just” syntax mean in Haskell?
...ance of.
Functor provides a method called fmap, which maps functions that range over values from the base type (such as Integer) to functions that range over values from the lifted type (such as Maybe Integer). A function transformed with fmap to work on a Maybe value works like this:
case maybeVa...
The tilde operator in Python
... with s[len(s) - 2].
As for your other question, this can be useful for a range of bitwise hacks.
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Convert base64 string to ArrayBuffer
...lso called a binary string) which is a string containing characters in the range 0-255. If your string has characters outside that range, btoa will throw an error.
– GetFree
Nov 16 '19 at 10:13
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Windows recursive grep command-line
...r in set
[^class] Inverse class: any one character not in set
[x-y] Range: any characters within the specified range
\x Escape: literal use of metacharacter x
\<xyz Word position: beginning of word
xyz\> Word position: end of word
For full information on FINDSTR regul...
Create a date from day month and year with T-SQL
...st and simplest. And it does not throw an error when day values are out of range either. Altho depending on the circumstance, an error may be desired, so just be aware that this silences day and month values that are out of expected range.
– Shawn Kovac
May 7 '...
How to get different colored lines for different plots in a single figure?
...fault.
E.g.:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(10)
plt.plot(x, x)
plt.plot(x, 2 * x)
plt.plot(x, 3 * x)
plt.plot(x, 4 * x)
plt.show()
And, as you may already know, you can easily add a legend:
import matplotlib.pyplot as plt
import numpy as np
x = np.arange(1...
Python list of dictionaries search
...random import randint
from timeit import timeit
list_dicts = []
for _ in range(1000): # number of dicts in the list
dict_tmp = {}
for i in range(10): # number of keys for each dict
dict_tmp[f"key{i}"] = randint(0,50)
list_dicts.append( dict_tmp )
def a():
# normal ...
How can I determine if a date is between two dates in Java? [duplicate]
...question
return a.compareTo(d) * d.compareTo(b) > 0;
If you want the range to be inclusive
return a.compareTo(d) * d.compareTo(b) >= 0;
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How to modify list entries during for loop?
...r loop variant, looks cleaner to me than one with enumerate():
for idx in range(len(list)):
list[idx]=... # set a new value
# some other code which doesn't let you use a list comprehension
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