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Chrome Dev Tools - “Size” vs “Content”
...s (larger "size" than "content")
Redirects or authentication requests
gzip compression (smaller "size" than "content", usually)
From the docs:
Size is the combined size of the response headers (usually a few
hundred bytes) plus the response body, as delivered by the server.
Content is the ...
Why does one hot encoding improve machine learning performance?
...it gives significantly better results with respect to prediction accuracy, compared to using the original matrix itself as training data. How does this performance increase happen?
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Why do we need argc while there is always a null at the end of argv?
...f pointer values one extra time until NULL, to get the count, is miniscule compared to time already spent generating the pointer array, and even more irrelevant compared to actually using each argument value in the program. And if just checking if argument count is more than N, then going through en...
git diff renamed file
...h the difference between HEAD^^ and HEAD is that you have an a.txt in both commits, so just considering those two commits (which is what diff does), there is no rename, there is a copy and a change.
To detect copies, you can use -C:
git diff -C HEAD^^ HEAD
Result:
index ce01362..dd7e1c6 100644
...
Find and replace - Add carriage return OR Newline
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add a comment
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Can't escape the backslash with regex?
...pe sequences to avoid having to use as many - for instance, in Python:
re.compile(r'\\')
The r in front of the quotes makes it a raw string which doesn't parse backslash escapes.
share
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improve ...
Why does Convert.ToString(null) return a different value if you cast null?
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There are 2 overloads of ToString that come into play here
Convert.ToString(object o);
Convert.ToString(string s);
The C# compiler essentially tries to pick the most specific overload which will work with the input. A null value is convertible to any reference...
What is jQuery Unobtrusive Validation?
...e nice. Because your reply as it is isn't really that helpful, most people coming here looking for quick solutions and code samples, not links to articles, they can break over time, they're they're generally good as a reference after you see the code sample. I prefer the next 2 answers.
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When should I use @classmethod and when def method(self)?
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What does the line “#!/bin/sh” mean in a UNIX shell script?
...script, because false returns immediately anyways.
It's implemented as a comment so that anything coming in that line will not "relevant" to the interpreter specified. e.g. all scripting languages tend to understand that a line starting with # is a comment, and will ignore the !/usr/bin/whatever p...