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What exactly is metaprogramming?
...s that altered themselves at runtime were necessary and very commonplace.
From Paul Graham's essay "What Made Lisp Different":
Many languages have something called a
macro. But Lisp macros are unique. And
believe it or not, what they do is
related to the parentheses. The
designers of Li...
Android imageview not respecting maxWidth?
...eview that should display an arbitrary image, a profile picture downloaded from the internet. I want this the ImageView to scale its image to fit inside the height of the parent container, and a set max width of 60dip. However, if the image is tall ratio-wise, and doesn't need the full 60dip of widt...
Passing an array to a function with variable number of args in Swift
... numbers {
total += i
}
return total
}
Step 2: Call this from within your variadic function:
func sumOf(numbers: Int...) -> Int {
return sumOf(numbers)
}
Step 3: Call Either Way:
var variadicSum = sumOf(1, 2, 3, 4, 5)
var arraySum = sumOf([1, 2, 3, 4, 5])
It seems stra...
Is there a function to make a copy of a PHP array to another?
...array with numeric keys will be renumbered with incrementing keys starting from zero in the result array.
– zamnuts
Nov 21 '13 at 18:55
...
Why wasn't PyPy included in standard Python?
...to be contenders.
Don't get me wrong. PyPy is awesome. But it's still far from being better than CPython in a lot of very important ways.
And by the way, if you use SymPy in PyPy, you won't see a smaller memory footprint (or a speedup either). See https://bitbucket.org/pypy/pypy/issues/1447/.
...
How to sort a file, based on its numerical values for a field?
...15
output.log.16
output.log.17
output.log.18
output.log.19
output.log.20
from man page:
-V, --version-sort
natural sort of (version) numbers within text
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Efficiently checking if arbitrary object is NaN in Python / numpy / pandas?
...sions) checks for missing values in both numeric and string/object arrays. From the documentation, it checks for:
NaN in numeric arrays, None/NaN in object arrays
Quick example:
import pandas as pd
import numpy as np
s = pd.Series(['apple', np.nan, 'banana'])
pd.isnull(s)
Out[9]:
0 False
...
Deserialize JSON with C#
...avaScriptSerializer. Here is the sample code by which I parse JSON content from an ashx file.
var jss = new JavaScriptSerializer();
string json = new StreamReader(context.Request.InputStream).ReadToEnd();
Dictionary<string, string> sData = jss.Deserialize<Dictionary<string, string>&g...
Qt: *.pro vs *.pri
... write the common settings and code into those .pri files and include them from several .pro files as the need arises. This is how you would use it in practice:
foo.pri
FOO = BAR
hello.pro
...
include($$PWD/foo.pri)
...
world.pro
...
include($$PWD/foo.pri)
...
This way, the commonality would be a...
Public free web services for testing soap client [closed]
...and you'll find tons of open SOAP endpoints.
Remember, you can get a WSDL from any ASMX endpoint by adding ?WSDL to the url.
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