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How do I create a Python function with optional arguments?
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Try calling it like: obj.some_function( '1', 2, '3', g="foo", h="bar" ). After the required positional arguments, you can specify specific optional arguments by name.
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How to insert a value that contains an apostrophe (single quote)?
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513
Escape the apostrophe (i.e. double-up the single quote character) in your SQL:
INSERT INTO Per...
Find which commit is currently checked out in Git
... commit you're currently on.
$ git log -1 --oneline
c1abcde Add feature-003
Option 3: Bash prompt
In Git version 1.8.3+ (or was it an earlier version?), if you have your Bash prompt configured to show the current branch you have checked out into your working copy, then it will also show you the ...
#1071 - Specified key was too long; max key length is 767 bytes
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34 Answers
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In Python, how to display current time in readable format
...izing daylight's savings or not).
import time
time.ctime() # 'Mon Oct 18 13:35:29 2010'
time.strftime('%l:%M%p %Z on %b %d, %Y') # ' 1:36PM EDT on Oct 18, 2010'
time.strftime('%l:%M%p %z on %b %d, %Y') # ' 1:36PM EST on Oct 18, 2010'
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Difference between Activity and FragmentActivity
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A FragmentActivity is a subclass of Activity that was built for the Android Support Package.
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Ansible: Set variable to file content
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Saurabh Nanda
5,36544 gold badges2727 silver badges4949 bronze badges
answered Jun 3 '14 at 11:55
jabclabjabclab
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How to find the mime type of a file in python?
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edited Jul 30 at 21:31
John Strood
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MPICH vs OpenMPI
... information in the README distributed with each version (e.g. this is for 3.2.1). Note that because both Open-MPI and MPICH support the OFI (aka libfabric) networking layer, they support many of the same networks. However, libfabric is a multi-faceted API, so not every network may be supported th...
How to append rows to an R data frame
..., and then, at the end, create your data.frame.
Continuing with Julian's f3 (a preallocated data.frame) as the fastest option so far, defined as:
# pre-allocate space
f3 <- function(n){
df <- data.frame(x = numeric(n), y = character(n), stringsAsFactors = FALSE)
for(i in 1:n){
df$x[i...
