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Random strings in Python
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In many cases, random isn't really required. Rather, all you really need is unique.
– Chase Seibert
Jan 8 '10 at 19:48
1
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Named colors in matplotlib
... have been moved under the 'xkcd:' prefix since I posted this answer originally.
I really didn't change much from the matplotlib example, but here is the code for completeness.
import matplotlib.pyplot as plt
from matplotlib import colors as mcolors
colors = dict(mcolors.BASE_COLORS, **mcolors...
adding multiple entries to a HashMap at once in one statement
... 2016) as follow:
Map<String, Integer> cities = Map.of("Brussels", 1_139000, "Cardiff", 341_000);
The var-args case for Map is a little bit harder, you need to have both keys and values, but in Java, methods can’t have two var-args parameters. So the general case is handled by taking a va...
How to show git log history for a sub directory of a git repo?
...ne -- src/nvfs
d6f6b3b Changes for Mac OS X
803fcc3 Initial Commit
# Show all changes (one additional commit besides in src/nvfs).
$ git log --oneline
d6f6b3b Changes for Mac OS X
96cbb79 gitignore
803fcc3 Initial Commit
s...
Optional Parameters in Go?
...ety of
methods with the same name but
different signatures was occasionally
useful but that it could also be
confusing and fragile in practice.
Matching only by name and requiring
consistency in the types was a major
simplifying decision in Go's type
system.
...
What is boilerplate code?
...her hand, anyone can say that it's a piece of reusable code.
The term actually came from the steel industries.
For a little bit of history, according to Wikipedia:
In the 1890s, boilerplate was actually cast or stamped in metal ready for the printing press and distributed to newspapers around ...
gdb split view with code
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It's called the TUI (no kidding). Start for example with gdbtui or gdb -tui ...
Please also see this answer by Ciro Santilli. It wasn't available in 2012 to the best of my knowledge, but definitely worth a look.
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What's the correct way to sort Python `import x` and `from x import y` statements?
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Imports are generally sorted alphabetically and described in various places beside PEP 8.
Alphabetically sorted modules are quicker to read and searchable. After all python is all about readability.
Also It is easier to verify that something...
How do I pass the value (not the reference) of a JS variable to a function? [duplicate]
...selection(i);
});
})(i);
}
By creating an anonymous function and calling it with the variable as the first argument, you're passing-by-value to the function and creating a closure.
share
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Encoding as Base64 in Java
... Base64.getEncoder().encodeToString(string.getBytes(StandardCharsets.UTF_8))
Here is a short, self-contained complete example:
import java.nio.charset.StandardCharsets;
import java.util.Base64;
public class Temp {
public static void main(String... args) throws Exception {
final Str...