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What does Ruby have that Python doesn't, and vice versa?
...oncise and expressive.
I like Python's syntax. However, you have to dig a bit deeper than syntax to find the true beauty of Ruby. There is zenlike beauty in Ruby's consistency. While no trivial example can possibly explain this completely, I'll try to come up with one here just to explain what I me...
Generate random numbers following a normal distribution in C/C++
...gle-precision (float) version on iMac Corei5-3330S@2.70GHz , clang 6.1, 64-bit:
For correctness, the program verifies the mean, standard deviation, skewness and kurtosis of the samples. It was found that CLT method by summing 4, 8 or 16 uniform numbers do not have good kurtosis as the other meth...
Why 0 is true but false is 1 in the shell?
...s you want to express as true / 1; but realize that this is just another arbitrary convention) and all other values to failure.
– tripleee
Oct 26 '19 at 8:17
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Why can I type alias functions and use them without casting?
...put MyMap){...}
doMap(m)
func doFunc(input MyFunc){...}
doFunc(f)
I'm a bit gutted I didn't know that sooner, so I hope that clarifies the type lark a little for someone else! And means much less casting than I at first thought :)
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How do you set, clear, and toggle a single bit?
How do you set, clear, and toggle a bit?
30 Answers
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Replace console output in Python
...bles upon this years later (like I did), I tweaked 6502's methods a little bit to allow the progress bar to decrease as well as increase. Useful in slightly more cases. Thanks 6502 for a great tool!
Basically, the only difference is that the whole line of #s and -s is written each time progress(x) ...
Making a WinForms TextBox behave like your browser's address bar
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It's a bit kludgey, but in your click event, use SendKeys.Send( "{HOME}+{END}" );.
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Repeating characters in VIM insert mode
..."<C-o> is used to issue normal commands without leaving INSERT mode" wins my can't-believe-I-never-knew-about-this award!
– Stabledog
Mar 20 '14 at 13:30
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CSS 3 slide-in from left transition
... left: 0;
}
In this case, Im just transitioning the position from left: -100px; to 0; with a 1s. duration. It's also possible to move the element using transform: translate();
CSS animation
Demo Two
#slide {
position: absolute;
left: -100px;
width: 100px;
height: 100px;
bac...
How do I use Ruby for shell scripting?
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There's a lot of good advice here, so I wanted to add a tiny bit more.
Backticks (or back-ticks) let you do some scripting stuff a lot easier. Consider
puts `find . | grep -i lib`
If you run into problems with getting the output of backticks, the stuff is going to standard err inst...