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Random string generation with upper case letters and digits
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Answer in one line:
''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(N))
or even shorter starting with Python 3.6 using random.choices():
''.join(random.choices(string.ascii_uppercase + string.digits, k=N))
A cryptographi...
How to assign from a function which returns more than one value?
...ge. It does not require a special operator but does require that the left hand side be written using list[...] like this:
library(gsubfn) # need 0.7-0 or later
list[a, b] <- functionReturningTwoValues()
If you only need the first or second component these all work too:
list[a] <- function...
How to make a always full screen?
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I just tried it in wpf using cefsharp chromium and it works :)
– adminSoftDK
Apr 7 at 10:31
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Vim indent xml file
...want to format.
Then, in normal mode, type ! xmllint --format -
Your command-line at the bottom will look like this:
:'<,'>!xmllint --format -
Then hit enter.
Technical Explanation
The selected text is sent to the xmllint command, then --format'ed, and the results of xmllint are placed o...
How is the undo tree used in Vim?
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See also :h undo-redo, which lists all the commands and their usage.
There are two ways to traverse the undo tree. One is to go "back in time". g+ and g- will traverse all of the nodes in the tree in chronological or reverse-chronological order (which can be a bit co...
Math - mapping numbers
How do I map numbers, linearly, between a and b to go between c and d.
9 Answers
9
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What's the point of const pointers?
...m not 100% sure about a const that you get passed in as a func var. thanks and sorry if this is off topic
– Tomer
Feb 4 '18 at 22:15
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How to make connection to Postgres via Node.js
... find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be,...
Populating a database in a Laravel migration file
I'm just learning Laravel, and have a working migration file creating a users table. I am trying to populate a user record as part of the migration:
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How to fix “containing working copy admin area is missing” in SVN?
...aining-working.html
Check-out the folder "blabla" to a different location and then copy its .svn folder back into the original "blabla".
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