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Using scanf() in C++ programs is faster than using cin?
...econds
iostream with sync_with_stdio(false): 5.5 seconds
C++ iostream wins! It turns out that this internal syncing / flushing is what normally slows down iostream i/o. If we're not mixing stdio and iostream, we can turn it off, and then iostream is fastest.
The code: https://gist.github.com...
Can I get JSON to load into an OrderedDict?
...; I'm actually unable to reproduce my own observation in conda's pkgs/main/win-64::python-3.6.4-h0c2934d_3, so this will be tough to test.
– fuglede
Feb 9 '19 at 8:48
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How do I view cookies in Internet Explorer 11 using Developer Tools
...Well, I guess this kind of explains why, whenever I've finished installing Windows 10 on a new laptop, my first port of call is to go and download Chrome. Microsoft just doesn't do user-friendly very well, do they...? ;-)
– Mike Gledhill
May 25 '18 at 7:43
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Recommendation for compressing JPG files with ImageMagick
...image optimization guidelines, and for ImageMagick they recommend the following:
-sampling-factor 4:2:0
-strip
-quality 85 [it can vary, I use range 60-80, lower number here means smaller file]
-interlace
-colorspace RGB
Command in ImageMagick:
convert image.jpg -sampling-factor 4:2:0...
How to turn on line numbers in IDLE?
...
Version 3.8 or newer:
To show line numbers in the current window, go to Options and click Show Line Numbers.
To show them automatically, go to Options > Configure IDLE > General and check the Show line numbers in new windows box.
Version 3.7 or older:
Unfortunately there is no...
retrieve links from web page using python and BeautifulSoup [closed]
...or.find_declared_encoding() to make sure that such embedded encoding hints win over a misconfigured server.
With requests, the response.encoding attribute defaults to Latin-1 if the response has a text/* mimetype, even if no characterset was returned. This is consistent with the HTTP RFCs but painf...
Does Java read integers in little endian or big endian?
...ld be available pretty much everywhere. And I seem to remember using it in Win32, so it's not just on POSIX systems either.
– Joachim Sauer
Dec 12 '08 at 22:04
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iTerm2 keyboard shortcut - split pane navigation
... and ] are also impossible to use on the french layout, ⌘+⌥+arrow-keys wins
– Cyril Duchon-Doris
Aug 17 '18 at 16:12
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show 2 more comme...
C# DateTime.Now precision
... Let's say I'm creating an activity log that requires (1) knowing when something occurred in terms of calendar space (within a few seconds) (2) knowing very exactly the spacing between events (within 50 or so milliseconds). It sounds like the safest bet for this would be to use DateTim...
Vagrant error : Failed to mount folders in Linux guest
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Using a Win 7 box with Vagrant 1.3.5 and VirtualBox 4.3.10, answer #1 did not work for me. I still got the unable to mount ... errors
– Kevin Meredith
Apr 16 '14 at 16:17
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