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Best way to handle list.index(might-not-exist) in python?
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What about this ???? :
li = [1,2,3,4,5] # create list
li = dict(zip(li,range(len(li)))) # convert List To Dict
print( li ) # {1: 0, 2: 1, 3: 2, 4:3 , 5: 4}
li.get(20) # None
li.get(1) # 0
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How can I add additional PHP versions to MAMP
...d using WayBackMachine) downloads.mamp.info/MAMP-PRO/releases/4.5/php7.2.2.zip
– Rory
Sep 11 '18 at 8:05
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Create an Android Jar library for distribution
... You can check the content of the JAR with a archive program (JAR is ZIP) and see what is missing and add them. You can find more information here: ant.apache.org/manual/Tasks/jar.html
– white_gecko
Nov 23 '11 at 17:29
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mfc里面的140种颜色宏 - C/C++ - 清泛网 - 专注C/C++及内核技术
... RGB( 0, 0, 0) // 纯黑
完整.h文件下载：ColorDef.zip
mfc 颜色宏
How to check if a string is a valid date
...ike this, for handling bad formatted date : Date.valid_date? *Array.new(3).zip(date_string.split('-')).transpose.last.reverse.map(&:to_i)
– vincentp
Jun 1 '15 at 8:25
add ...
IIS - 401.3 - Unauthorized
...nto this. I troubleshooted all of these steps and it turns out because I unzipped some files from a MAC, Microsoft automatically without any notification Encrypted the files. After hours of trying to set folder permissions I went in and saw the file names were green which means the files were encryp...
Maven Install on Mac OS X
...answer, but not exclusively the "right" one. Downloading the Maven binary zip from the Maven website is quicker and easier IMO.
– RCross
Sep 25 '13 at 9:53
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How do I resolve ClassNotFoundException?
...t will search the jar file for that class. A jar file is in reality just a zipped collection of directories like the above. If you unzip a jar file, you'll get a bunch of directories and class files following the pattern above.
So the JVM traverses a classpath from start to finish looking for the ...
Check if Python Package is installed
...y other alternative source (like pip install http://some.site/package-name.zip or any other archive type).
When installing manually using python setup.py install.
When installing from system repositories, like sudo apt install python-requests.
Cases when it might not work:
When installing in ...
numpy: most efficient frequency counts for unique values in an array
...1,1,2,2,2,5,25,1,1])
y = np.bincount(x)
ii = np.nonzero(y)[0]
And then:
zip(ii,y[ii])
# [(1, 5), (2, 3), (5, 1), (25, 1)]
or:
np.vstack((ii,y[ii])).T
# array([[ 1, 5],
[ 2, 3],
[ 5, 1],
[25, 1]])
or however you want to combine the counts and the unique values....