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Difference between Lookup() and Dictionary(Of list())
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Jon SkeetJon Skeet
1210k772772 gold badges85588558 silver badges88218821 bronze badges
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Set a default parameter value for a JavaScript function
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From ES6/ES2015, default parameters are in the language specification.
function read_file(file, delete_after = false) {
// Code
}
just works.
Reference: Default Parameters - MDN
Default function parameters allow formal paramete...
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...
Adding additional data to select options using jQuery
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answered Dec 30 '10 at 17:19
PhrogzPhrogz
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Change text color based on brightness of the covered background area?
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+50
Interesting resources for this:
W3C - Ensure that foreground and background color combinations provide sufficient contrast
Calculati...
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...
Maven is not working in Java 8 when Javadoc tags are incomplete
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+50
The best solution would be to fix the javadoc errors. If for some reason that is not possible (ie: auto generated source code) then yo...
How is std::function implemented?
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80
The implementation of std::function can differ from one implementation to another, but the core ...