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Count how many files in directory PHP
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glob($directory . "*.{jpg,png,gif}",GLOB_BRACE)
the GLOB_BRACE flag expands {a,b,c} to match 'a', 'b', or 'c'
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Is there any simple way to find out unused strings in Android project?
I have a huge Android project with many strings declared in strings.xml . I wanted to remove unused strings in strings.xml .
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Difference between Python datetime vs time modules
I am trying to figure out the differences between the datetime and time modules, and what each should be used for.
4 An...
Converting from longitude\latitude to Cartesian coordinates
I have some earth-centered coordinate points given as latitude and longitude ( WGS-84 ).
9 Answers
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Is it possible to modify variable in python that is in outer, but not global, scope?
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For python 2, I usually just use a mutable object (like a list, or dict), and mutate the value instead of reassign.
example:
def foo():
a = []
def bar():
a.append(1)
bar()
bar()
print a
foo()
Outputs:
[1, 1]
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Are static fields open for garbage collection?
...ollected for garbage.
Check out the JLS Section 12.7 Unloading of Classes and Interfaces
A class or interface may be unloaded
if and only if its defining class
loader may be reclaimed by the garbage
collector [...] Classes and interfaces
loaded by the bootstrap loader may not
be unloa...
Converting strings to floats in a DataFrame
How to covert a DataFrame column containing strings and NaN values to floats. And there is another column whose values are strings and floats; how to convert this entire column to floats.
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How to pass an object from one activity to another on Android
...ng to work on sending an object of my customer class from one Activity and display it in another Activity .
32 Answers...
Extract part of a regex match
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Use ( ) in regexp and group(1) in python to retrieve the captured string (re.search will return None if it doesn't find the result, so don't use group() directly):
title_search = re.search('<title>(.*)</title>', html, re.IGNORECAS...
Multiple GitHub Accounts & SSH Config
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Andy Lester's response is accurate but I found an important extra step I needed to make to get this to work. In trying to get two profiles set up, one for personal and one for work, my ~/.ssh/config was roughly as follows:
H...