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[] and {} vs list() and dict(), which is better?
...sentially the same thing, but in terms of style, which is the better (more Pythonic) one to use to create an empty list or dict?
...
One-liner to check whether an iterator yields at least one element?
...
In Python 2.6+, if name sentinel is bound to a value which the iterator can't possibly yield,
if next(iterator, sentinel) is sentinel:
print('iterator was empty')
If you have no idea of what the iterator might possibly yi...
How can you automatically remove trailing whitespace in vim
...s\+$//e
call cursor(l, c)
endfun
autocmd FileType c,cpp,java,php,ruby,python autocmd BufWritePre <buffer> :call <SID>StripTrailingWhitespaces()
If you want to apply this on save to any file, leave out the second autocmd and use a wildcard *:
autocmd BufWritePre * :call <SID>...
How to switch activity without animation in Android?
...s for as low as minSdkVersion 14 which you should insert in you res/styles.xml:
<item name="android:windowAnimationStyle">@null</item>
like so:
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
...
Is it possible to change the package name of an Android app on Google Play?
...me,” the unique name you give to your application in its AndroidManifest.xml. The name uses a Java-language-style naming convention, with Internet domain ownership helping to avoid name collisions. For example, since Google owns the domain “google.com”, the manifest package names of all of our...
How to handle many-to-many relationships in a RESTful API?
...idirectional view (/memberships/{uuid}).
I recommend writing links in any XML documents you return (if you happen to be producing XML of course) using XLink xlink:href attributes.
share
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improve t...
Detect if homebrew package is installed
... Your solutions doesn't work with some versioned formula like python@3 which is installed (and listed) as python3.
– Daniele Orlando
Jan 18 '18 at 19:57
add a com...
Automatic creation date for Django model form objects?
...models.py Select an option: 1 Please enter the default value now, as valid Python The datetime and django.utils.timezone modules are available, so you can do e.g. timezone.now() >>> timezone.now()
– Kaleem Ullah
Jun 21 '16 at 10:56
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What is your most productive shortcut with Vim?
...hiftwidth=2 softtabstop=2 expandtab
# Confirm to PEP8
au FileType python set tabstop=4 softtabstop=4 expandtab shiftwidth=4 cinwords=if,elif,else,for,while,try,except,finally,def,class
augroup END
augroup perl
# reset (disable previous 'augroup perl' settings)
au!
au Buf...
What scalability problems have you encountered using a NoSQL data store? [closed]
...obably the biggest German Linux community website). The site is written in Python and we've added a WSGI middleware which was able to catch all exceptions and send them to another small MySQL powered website. This small website used a hash to determine different bugs and stored the number of occurre...