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How to convert a factor to integer\numeric without loss of information?
...n a wrong order ;) What your code chunk does is to turn the factor's level index into a character matrix, so what you will have at the and is a character vector that contains some numbers that has been once assigned to certain level of your factor. Functions in that package are there to prevent thes...
How to use a custom comparison function in Python 3?
...):
numbers = []
for letter in word:
numbers.append(my_alphabet.index(letter))
return numbers
x=['cbaba', 'ababa', 'bbaa']
x.sort(key=custom_key)
Since your language includes multi-character letters, your custom_key function will obviously need to be more complicated. That should g...
CSS performance relative to translateZ(0)
...n applied to them will act more like absolutely positioned elements, and z-index values are likely to get screwed with.
If you take a look at this demo, you'll see what I mean. The second div has a transformation applied to it, meaning that it creates a new stacking context, and the pseudo elements...
How to keep onItemSelected from firing off on a newly instantiated Spinner?
...llet-proof solution would be to keep a variable with the "current selected index", initialized to the first item selected. Then on selection event - check if it equals the new position - return and do nothing. Of course update the variable on selection.
– daniel.gindi
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Why use armeabi-v7a code over armeabi code?
...
ARM manuals? infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0344c/…
– Nikolay Elenkov
Jan 16 '12 at 2:33
1
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Get records with max value for each group of grouped SQL results
...query log when attempted with 10,000+ rows sharing same ID. Was JOINing on indexed column. A rare case, but figured it's worth mentioning.
– chaseisabelle
Jul 26 '16 at 18:17
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Is there a good reason to use upper case for SQL keywords? [closed]
... crdate,
ftcatid, schema_ver, stats_schema_ver, type,
userstat, sysstat, indexdel, refdate, version,
deltrig, instrig, updtrig, seltrig, category, cache
FROM sysobjects
WHERE category = 0
AND xtype IN ('U', 'P', 'FN', 'IF', 'TF')
ORDER BY 1
I find this far easier to read, since the keywords sta...
How do I raise a Response Forbidden in django
...p import Http404
from django.core.exceptions import PermissionDenied
def index(request):
html = """
<!DOCTYPE html>
<html lang="en">
<body>
<ul>
<li><a href="/">home</a></li>
<li><a href="?action=raise403">Raise...
How to clear gradle cache?
...nt/documentation/LanguagesUtilities/Conceptual/MacAutomationScriptingGuide/index.html
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Pimpl idiom vs Pure virtual class interface
...ures is enough. OTOH in pure abstract case they effectively link by vtable index so reordering methods or inserting in the middle will break compatibility.
– SnakE
Nov 25 '15 at 11:13
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