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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
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By default compilers optimize for "average" processor. Since different processors favor different instruction sequences, compiler optimizations enabled by -O2 might benefit average processor, but decrease performance on your particular ...
Scala how can I count the number of occurrences in a list
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How to create abstract properties in python abstract classes
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
HTML: Include, or exclude, optional closing tags?
...does HTML 5 do?
The answer to this question is in the W3C Working Draft:
http://www.w3.org/TR/html5/syntax.html#syntax-tag-omission
And what should i do?
It's a matter of style. I try to never omit end tags because it helps me to be rigorous and not omit tags that are necessary.
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Are HTTPS headers encrypted?
When sending data over HTTPS, I know the content is encrypted, however I hear mixed answers about whether the headers are encrypted, or how much of the header is encrypted.
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Install tkinter for Python
...ages on Google - but in the end, it's easy.
Download the tcl and tk from http://www.tcl.tk/software/tcltk/download.html and install them locally too.
To install locally on Linux (I did it to my home directory), extract the .tar.gz files for tcl and tk. Then open up the readme files inside the ....
Python: Why is functools.partial necessary?
..... you end up "faking assignments within an expression" by stretching list comprehension well beyond its design limits...:
>>> f = [f for f in (lambda f: int(s, base=2),)
if setattr(f, 'keywords', {'base': 2}) is None][0]
Now combine the named-arguments overridability, plus th...
Pipe output and capture exit status in Bash
I want to execute a long running command in Bash, and both capture its exit status, and tee its output.
15 Answers
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How to delete and replace last line in the terminal using bash?
...\r:
$ echo -e "abcdefghijklmnopqrstuvwxyz\r\033[K0123456789"
0123456789
http://en.wikipedia.org/wiki/ANSI_escape_code
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How to send a custom http status message in node / express?
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unfortunately this will not set the http status message but will send 'Current password does not match' as body content ...
– lgersman
Jan 4 '13 at 15:22
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