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Python - Passing a function into another function
...per(fn: Callable, n:int, *args, **kwargs):
"""
Call a function `n` times
Parameters
----------
fn: Callable
Function to be called.
n: int
Number of times to call `func`.
*args
Positional arguments to be passed to `func`.
**kwargs
Keywo...
Validate that a string is a positive integer
...le numbers I believe it's at the point you've exceeded 21 digits [by which time the number has become very imprecise, as IEEE-754 double-precision numbers only have roughtly 15 digits of precision..)
... === str: Compares that to the original string.
n >= 0: Check that it's positive.
Note that ...
Extracting the last n characters from a ruby string
... Thanks for noting the operator precedence issue, Andrew. Gets me every time.
– perimosocordiae
Feb 2 '10 at 8:21
@...
parseInt(null, 24) === 23… wait, what?
Alright, so I was messing around with parseInt to see how it handles values not yet initialized and I stumbled upon this gem. The below happens for any radix 24 or above.
...
How to merge 2 JSON objects from 2 files using jq?
I'm using the jq tools (jq-json-processor) in shell script to parse json.
6 Answers
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Bash: Strip trailing linebreak from output
When I execute commands in Bash (or to be specific, wc -l < log.txt ), the output contains a linebreak after it. How do I get rid of it?
...
string to string array conversion in java
I have a string = "name";
I want to convert into a string array.
How do I do it?
Is there any java built in function? Manually I can do it but I'm searching for a java built in function.
...
Query EC2 tags from within instance
Amazon recently added the wonderful feature of tagging EC2 instances with key-value pairs to make management of large numbers of VMs a bit easier.
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Find region from within an EC2 instance
Is there a way to look up the region of an instance from within the instance?
28 Answers
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Android: How can I get the current foreground activity (from a service)?
... For example, if multiple applications can be actively running at the same time, assumptions made about the meaning of the data here for purposes of control flow will be incorrect. ------------
– Ryhan
Jul 3 '13 at 21:55
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