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Strings in a DataFrame, but dtype is object
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Precision String Format Specifier In Swift
...matting:
println(NSString(format:"%.2f", sqrt(2.0)))
Extrapolating from python, it seems like a reasonable syntax might be:
@infix func % (value:Double, format:String) -> String {
return NSString(format:format, value)
}
Which then allows you to use them as:
M_PI % "%5.3f" ...
Drop rows with all zeros in pandas data frame
...ose -- 491 to 614 microsec, and I like the axis=1 for being explicit; more pythonic in my opinion
– gt6989b
Jun 27 '16 at 21:41
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Benefits of prototypal inheritance over classical?
...itance usually gets in the way of programming, but maybe that's just Java. Python has an amazing classical inheritance system.
2. Prototypal Inheritance is Powerful
Most programmers who come from a classical background argue that classical inheritance is more powerful than prototypal inheritance b...
How best to include other scripts?
... what you are going to be doing with your bash script. I wouldn't expect a python script to run without it's dependencies either. Bash is a glue language that allows you to do things quickly that would be hard otherwise. When you need your build system to work, pragmatism (And a nice warning about t...
Save all files in Visual Studio project as UTF-8
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I would convert the files programmatically (outside VS), e.g. using a Python script:
import glob, codecs
for f in glob.glob("*.py"):
data = open("f", "rb").read()
if data.startswith(codecs.BOM_UTF8):
# Already UTF-8
continue
# else assume ANSI code page
data = ...
How to check if one of the following items is in a list?
... (1 or 2)
1
>>> (2 or 1)
2
That should probably explain it. :) Python apparently implements "lazy or", which should come as no surprise. It performs it something like this:
def or(x, y):
if x: return x
if y: return y
return False
In the first example, x == 1 and y == 2. ...
Unit Testing bash scripts
...s part of the test harness for Perl but now has implementations in C, C++, Python, PHP, Perl, Java, JavaScript, and others.
bats-core
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How do I set default values for functions parameters in Matlab?
...arser object to deal with setting default options. Matlab won't accept the python-like format you specified in the question, but you should be able to call the function like this:
wave(a,b,n,k,T,f,flag,'fTrue',inline('0'))
After you define the wave function like this:
function wave(a,b,n,k,T,f,f...
Difference between JSON.stringify and JSON.parse
.... People often confuse JSON "string representation" and Object (or dict in Python, etc.).
– jbmusso
Dec 13 '18 at 12:56
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