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How to access environment variable values?
...ys.path) from outside Python. Have a look at docs.python.org/using/cmdline.html#environment-variables
– Rod
Feb 7 '11 at 14:41
12
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Check if a div exists with jquery [duplicate]
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Not the answer you're looking for? Browse other questions tagged jquery html exists or ask your own question.
Check if null Boolean is true results in exception
...Unboxing of wrappers: docs.oracle.com/javase/tutorial/java/data/autoboxing.html
– Vinicius
Jul 1 '19 at 20:22
3
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Does java.util.List.isEmpty() check if the list itself is null? [duplicate]
...tions/javadocs/api-release/org/apache/commons/collections4/CollectionUtils.html#isEmpty(java.util.Collection)
which implements it quite ok and well documented:
/**
* Null-safe check if the specified collection is empty.
* <p>
* Null returns true.
*
* @param coll the collection to che...
Open a link in browser with java button? [duplicate]
... the user has assigned a custom "open with" action to the file exten like "html" then this will NOT open the browser, but the program the user has linked it with.... This is not a solution at all!
– thesaint
May 7 '15 at 20:11
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Android NDK C++ JNI (no implementation found for native…)
...on the Android docs site: developer.android.com/training/articles/perf-jni.html#faq_ULE
– fadden
Dec 15 '12 at 0:49
2
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Finding the average of a list
...u are using python >= 3.4
https://docs.python.org/3/library/statistics.html
You may use it's mean method like this. Let's say you have a list of numbers of which you want to find mean:-
list = [11, 13, 12, 15, 17]
import statistics as s
s.mean(list)
It has other methods too like stdev, varia...
Checking if a string is empty or null in Java [duplicate]
I'm parsing HTML data. The String may be null or empty, when the word to parse does not match.
5 Answers
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How to print a percentage value in python?
...g formatting methods described here: http://docs.python.org/library/string.html#format-specification-mini-language
To specify a percent conversion and precision.
>>> float(1) / float(3)
[Out] 0.33333333333333331
>>> 1.0/3.0
[Out] 0.33333333333333331
>>> '{0:.0%}'.forma...
How do I read image data from a URL in Python?
...ng under the hood. From: pillow.readthedocs.io/en/3.0.x/releasenotes/2.8.0.html
– Vinícius M
Feb 6 at 15:21
THANK YOU...