大约有 35,500 项符合查询结果(耗时:0.0403秒) [XML]
How do I resize an image using PIL and maintain its aspect ratio?
...8, 128
for infile in sys.argv[1:]:
outfile = os.path.splitext(infile)[0] + ".thumbnail"
if infile != outfile:
try:
im = Image.open(infile)
im.thumbnail(size, Image.ANTIALIAS)
im.save(outfile, "JPEG")
except IOError:
print "cann...
Why is Python 3.x's super() magic?
...
+200
The new magic super() behaviour was added to avoid violating the D.R.Y. (Don't Repeat Yourself) principle, see PEP 3135. Having to ex...
Adding additional data to select options using jQuery
...
answered Dec 30 '10 at 17:19
PhrogzPhrogz
261k9494 gold badges597597 silver badges679679 bronze badges
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Is it OK to leave a channel open?
...
+250
It's OK to leave a Go channel open forever and never close it. When the channel is no longer used, it will be garbage collected.
N...
Routing: The current request for action […] is ambiguous between the following action methods
...entering the search term, I want to direct the page to http://localhost:62019/Gallery/Browse/{Searchterm} and when nothing is entered, I want to direct the browser to http://localhost:62019/Gallery/Browse/Start/Here .
...
Change text color based on brightness of the covered background area?
...
+50
Interesting resources for this:
W3C - Ensure that foreground and background color combinations provide sufficient contrast
Calculati...
Do regular expressions from the re module support word boundaries (\b)?
...
>>> y = k.search( x)
>>> y
<_sre.SRE_Match object at 0x100418850>
Also forgot to mention, you should be using raw strings in your code
>>> x = 'one two three'
>>> y = re.search(r"\btwo\b", x)
>>> y
<_sre.SRE_Match object at 0x100418a58>
&g...
How to create a unique index on a NULL column?
I am using SQL Server 2005. I want to constrain the values in a column to be unique, while allowing NULLS.
4 Answers
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vim command to restructure/force text to 80 columns
...tomatically set the width of text in vim using set textwidth (like Vim 80 column layout concerns ). What I am looking for is something similar to = (the indent line command) but to wrap to 80. The use case is sometimes you edit text with textwidth and after joining lines or deleting/adding text...
What does @synchronized() do as a singleton method in objective C?
...dit: Adding some more information that wasn't in the original answer from 2011.
The @synchronized directive prevents multiple threads from entering any region of code that is protected by a @synchronized directive referring to the same object. The object passed to the @synchronized directive is the...
