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How can I pad an integer with zeros on the left?
How do you left pad an int with zeros when converting to a String in java?
16 Answers
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How to assert two list contain the same elements in Python? [duplicate]
...ipt.
import unittest
class TestListElements(unittest.TestCase):
def setUp(self):
self.expected = ['foo', 'bar', 'baz']
self.result = ['baz', 'foo', 'bar']
def test_count_eq(self):
"""Will succeed"""
self.assertCountEqual(self.result, self.expected)
de...
Is it possible to GROUP BY multiple columns using MySQL?
... it possible to GROUP BY more than one column in a MySQL SELECT query? For example:
7 Answers
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Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
What is the syntax for setting multiple file-extensions as searchPattern on Directory.GetFiles() ? For example filtering out files with .aspx and .ascx extensions.
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Why should hash functions use a prime number modulus?
A long time ago, I bought a data structures book off the bargain table for $1.25. In it, the explanation for a hashing function said that it should ultimately mod by a prime number because of "the nature of math".
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Iterating through a range of dates in Python
I have the following code to do this, but how can I do it better? Right now I think it's better than nested loops, but it starts to get Perl-one-linerish when you have a generator in a list comprehension.
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Code formatting shortcuts in Android Studio for Operation Systems
...at it doesn't conflict with Ubuntu.
Steps
Go to System Tools → System Settings → Keyboard → Shortcuts tab → System → Lock Screen.
Select the row New Accelerator..., then press any special key with the Alpha key (e.g. Shift + L). You should've successfully changed the keyboard shortcut.
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How to remove trailing whitespaces with sed?
I have a simple shell script that removes trailing whitespace from a file. Is there any way to make this script more compact (without creating a temporary file)?
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Get Insert Statement for existing row in MySQL
...he only tricky part is that you can only access the icons from the results set panel after a select.
– Half_Duplex
Sep 21 '19 at 20:06
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What is array to pointer decay?
...e type of the expression from "N-element array of T" to "pointer to T" and sets the value of the expression to the address of the first element of the array. The exceptions to this rule are when an array is an operand of either the sizeof or & operators, or the array is a string literal being u...