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When should I use a trailing slash in my URL?
... Wikipedia: URI Scheme
According to RFC 1738, which defined URLs in 1994, when resources contain references to other resources, they can use relative links to define the location of the second resource as if to say, "in the same place as this one except with the following relative path". It went...
What is the $? (dollar question mark) variable in shell scripting? [duplicate]
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264
$? is used to find the return value of the last executed command.
Try the following in the shell...
Modify UIImage renderingMode from a storyboard/xib file
...f.image = [self.image imageWithRenderingMode:renderMode];
}
@end
(Swift 4) Create an extension for UIImageView:
extension UIImageView {
func setImageRenderingMode(_ renderMode: UIImage.RenderingMode) {
assert(image != nil, "Image must be set before setting rendering mode")
//...
How to compute the similarity between two text documents?
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<5x5 sparse matrix of type '<class 'numpy.float64'>'
with 17 stored elements in Compressed Sparse Row format>
You can convert the sparse array to a NumPy array via .toarray() or .A:
>>> pairwise_similarity.toarray() ...
Configure Flask dev server to be visible across the network
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14 Answers
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Comparing two java.util.Dates to see if they are in the same day
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422
Calendar cal1 = Calendar.getInstance();
Calendar cal2 = Calendar.getInstance();
cal1.setTime(d...
Timing a command's execution in PowerShell
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349
Yup.
Measure-Command { .\do_something.ps1 }
Note that one minor downside of Measure-Command ...
Changing capitalization of filenames in Git
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594
Starting Git 2.0.1 (June 25th, 2014), a git mv will just work on a case insensitive OS.
See com...
How do you get assembler output from C/C++ source in gcc?
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433
Use the -S option to gcc (or g++).
gcc -S helloworld.c
This will run the preprocessor (cpp)...
TypeError: ObjectId('') is not JSON serializable
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edited Mar 24 '17 at 16:35
Jonathan
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