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How to get item's position in a list?
...
print(testlist.index(element) if element in testlist else None)
or the "pythonic way", which I don't like so much because code is less clear, but sometimes is more efficient,
try:
print testlist.index(element)
except ValueError:
pass
...
“unmappable character for encoding” warning in Java
...this solution. I added "-encoding UTF-8" as a compilerarg in my ant build.xml and I still get "warning: unmappable character for encoding ASCII". If I modify it to "-encoding jjjj" it won't compile, complaining "error: unsupported encoding: jjjj", so I know it is recognizing UTF-8, but it still se...
Should a .sln be committed to source control?
...uo */[Bb]in [Bb]in */obj obj TestResults *.[Uu]ser *Thumbs.db *Web.Publish.xml *WebApplication.Publish.xml *Web.log
– Merritt
Aug 28 '09 at 16:33
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How to use multiple arguments for awk with a shebang (i.e. #!)?
...t more standardized than the location of gawk or even worse something like python or ruby or spidermonkey.]
Which means that you cannot actually use any arguments at all.
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Android Drawing Separator/Divider Line in Layout?
...t the divider (modify the attributes to fit your need):
<ImageView
xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@android:drawable/divider_horizontal_dark"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:scaleType="fit...
How to check if string input is a number? [duplicate]
...t things like 4.1 when technically only 4 is valid. It is also against the python mentality to have secret conversions like this happening and I would prefer to do strict checks at my public interface
– Peter R
Feb 19 '15 at 14:24
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How to create a tuple with only one element
... make them tuples. You have to add a comma after the string to indicate to python that it should be a tuple.
>>> type( ('a') )
<type 'str'>
>>> type( ('a',) )
<type 'tuple'>
To fix your example code, add commas here:
>>> a = [('a',), ('b',), ('c', 'd')]
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How to retry after exception?
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@g33kz0r the for-else construct in Python executes the else clause if the for loop doesn't break. So, in this case, that section executes if we try all 10 attempts and always get an exception.
– xorsyst
Jan 28 '15 at 11:...
Android java.lang.VerifyError?
...ion: WARN/dalvikvm(1052): VFY: unable to resolve static method 475: Ljavax/xml/datatype/DatatypeFactory;.newInstance ()Ljavax/xml/datatype/DatatypeFactory; (now to figure out how to do without DatatypeFactory)
– pyko
Apr 24 '11 at 13:18
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How can I convert JSON to CSV?
I have a JSON file I want to convert to a CSV file. How can I do this with Python?
26 Answers
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