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Add string in a certain position in Python
...CB6
However if you like something like a function do as this:
def insert_dash(string, index):
return string[:index] + '-' + string[index:]
print insert_dash("355879ACB6", 5)
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Reduce git repository size
...g is Heroku only allows 50 MB and I'm no where near finished developing my app.
3 Answers
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How to go to a specific element on page? [duplicate]
...his; // for chaining...
}
})(jQuery);
Then you could just say $('#div_element2').goTo(); to scroll to <div id="div_element2">. Options handling and configurability is left as an exercise for the reader.
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Base 64 encode and decode example code
...Charsets:
// Sending side
byte[] data = text.getBytes(StandardCharsets.UTF_8);
String base64 = Base64.encodeToString(data, Base64.DEFAULT);
// Receiving side
byte[] data = Base64.decode(base64, Base64.DEFAULT);
String text = new String(data, StandardCharsets.UTF_8);
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disable the swipe gesture that opens the navigation drawer in android
... But how about if we want to control the open/close with the app icon only, and not swiping? Is there a way to do that? I am curious because I'm trying to implement the new ToolBar (API 21) and use the SlidingTabLayout feature it has, which is conflicting with my Nav. drawer swiping. S...
How can I update a single row in a ListView?
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what would happen if i just call getView() on the adapter only if the position is between getFirstVisiblePosition() and getLastVisiblePosition() ? would it work the same? i think it will update the view as usual, right?
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cartesian product in pandas
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Use pd.MultiIndex.from_product as an index in an otherwise empty dataframe, then reset its index, and you're done.
a = [1, 2, 3]
b = ["a", "b", "c"]
index = pd.MultiIndex.from_product([a, b], names = ["a", "b"])
pd.DataFrame(index = index).res...
How to prevent errno 32 broken pipe?
Currently I am using an app built in python. When I run it in personal computer, it works without problems.
4 Answers
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Convert to binary and keep leading zeros in Python
...n using format():
>>> import timeit
>>> timeit.timeit("f_(v, '#010b')", "v = 14; f_ = format") # use a local for performance
0.40298633499332936
>>> timeit.timeit("f'{v:#010b}'", "v = 14")
0.2850222919951193
But I'd use that only if performance in a tight loop matters,...
Add column with constant value to pandas dataframe [duplicate]
...le times.
# Wrong
df['new'] = [[]] * len(df)
# Right
df['new'] = [[] for _ in range(len(df))]
Generating a copy: df.assign(new=0)
If you need a copy instead, use DataFrame.assign:
df.assign(new='y')
A B C new
0 x x x y
1 x x x y
2 x x x y
3 x x x y
And, if you ne...