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How does one make random number between range for arc4random_uniform()?
...al extension of either Int or Range. I would simply add this as a stand-alone function in a utilities file.
– Vince O'Sullivan
Nov 16 '15 at 9:31
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Unix command to prepend text to a file
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In one line and in the original text file! This is the correct simple answer. I suggest the additional new line \n echo -e "to be prepended\n$(cat text.txt)" > text.txt
– VincentPerrin.com
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How can I represent an 'Enum' in Python?
...:
ant = 1
bee = 2
cat = 3
dog = 4
In earlier versions, one way of accomplishing enums is:
def enum(**enums):
return type('Enum', (), enums)
which is used like so:
>>> Numbers = enum(ONE=1, TWO=2, THREE='three')
>>> Numbers.ONE
1
>>> Numbers.TWO
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When someone writes a new programming language, what do they write it IN?
...e code". A program consisting entirely of binary numbers that are a direct one-to-one correspondence with the raw language of the computer itself.
But it still doesn't end. Even a file with just raw numbers in it still needs translation. You still need to get those raw numbers in a file into the co...
Set Focus on EditText
...ost focus, a method is called, which checks the value of the EditText with one in the database. If the return-value of the method is true, a toast is shown and the focus should get back on the EditText again. The focus should always get back on the EditText and the keyboard should show, until the re...
What are the dangers when creating a thread with a stack size of 50x the default?
I'm currently working on a very performance critical program and one path I decided to explore that may help reduce resource consumption was increasing my worker threads' stack size so I can move most of the data ( float[] s) that I'll be accesing onto the stack (using stackalloc ).
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How to clone all remote branches in Git?
...ve a master and a development branch, both pushed to GitHub . I've clone d, pull ed, and fetch ed, but I remain unable to get anything other than the master branch back.
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How to export all data from table to an insertable sql format?
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@AlexKwitny yes and no; with only one table, you can "script table as..." - "update", but with all tables, you can only select DROP and CREATE or CREATE in "Advanced" config. I am using SMSS 2019.
– WesternGun
Nov 19 '19...
Why do we need a pure virtual destructor in C++?
...for a virtual destructor. But why do we need a pure virtual destructor? In one of the C++ articles, the author has mentioned that we use pure virtual destructor when we want to make a class abstract.
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Relative frequencies / proportions with dplyr
...he relative frequency of number of gears by am (automatic/manual) in one go with dplyr ?
8 Answers
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