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How does collections.defaultdict work?
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Usually, a Python dictionary throws a KeyError if you try to get an item with a key that is not currently in the dictionary. The defaultdict in contrast will simply create any items that you try to access (provided of course th...
How to do Base64 encoding in node.js?
...uld be .toString("binary") (atob stands for ascii(base64) to binary, after all)
– 12Me21
Jan 14 at 19:55
@12Me21 I tho...
Python module for converting PDF to text [closed]
... updated again in version 20100213
You can check the version you have installed with the following:
>>> import pdfminer
>>> pdfminer.__version__
'20100213'
Here's the updated version (with comments on what I changed/added):
def pdf_to_csv(filename):
from cStringIO import S...
Collapse sequences of white space into a single character and trim string
...low, because it creates a new object for every substring and sends method calls to each of them.
– Georg Schölly
Jun 23 '11 at 18:55
2
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python: Change the scripts working directory to the script's own directory
... __file__ fails in "frozen" programs (created using py2exe, PyInstaller, cx_Freeze). sys.argv[0] works. @ChrisDown: If you want to follow symlinks; os.path.realpath() could be used.
– jfs
Apr 5 '14 at 20:12
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What are “connecting characters” in Java identifiers?
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I'm not sure that actually fully answers the (implied) question of which characters may start a Java identifier. Following links we end up at Character.isJavaIdentifierStart() which states A character may start a Java identifier if and only if one...
What is a method that can be used to increment letters?
...ded to expand it a bit beyond the scope of the original question to potentially help people who are stumbling on this from Google.
I find that what I often want is something that will generate sequential, unique strings in a certain character set (such as only using letters), so I've updated this a...
My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...has taught me is what is known as the "most vexing parse", which is classically demonstrated with a line such as
5 Answers
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Implement touch using Python?
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On Python2.7: pip install pathlib
– Andre Miras
Oct 24 '17 at 17:54
8
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FragmentPagerAdapter Exists Only In Android.Support.V4.App (and not Android.App)
...It's a FragmentPagerAdapter for non-support fragments.
Android Studio Installation
Please add follow Gradle dependencies
dependencies {
compile 'com.android.support:support-v13:+'
}
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