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How to round a number to significant figures in Python
...es, you can use:
print('{:g}'.format(float('{:.{p}g}'.format(i, p=n))))
Test:
a = [1234, 0.12, 0.012, 0.062, 6253, 1999, -3.14, 0., -48.01, 0.75]
b = ['{:g}'.format(float('{:.1g}'.format(i))) for i in a]
# b == ['1000', '0.1', '0.01', '0.06', '6000', '2000', '-3', '0', '-50', '0.8']
Note: with...
How do I ZIP a file in C#, using no 3rd-party APIs?
...the ZipArchive and ZipFile classes.
using (ZipArchive zip = ZipFile.Open("test.zip", ZipArchiveMode.Create))
{
zip.CreateEntryFromFile(@"c:\something.txt", "data/path/something.txt");
}
You need to add references to:
System.IO.Compression
System.IO.Compression.FileSystem
For .NET Core tar...
When to use an assertion and when to use an exception
...te that the java command turns off all assertions by default.)
Use regular tests for any kind of checks what shouldn't be turned off. This includes defensive checks that guard against potential damage cause by bugs, and any validation data / requests / whatever provided by users or external service...
Where to put the doxygen comment blocks for an internal library - in H or in CPP files? [closed]
....
/// @TODO make sure I implemented the algorithm correctly with some unit tests.
int add(int a, int b) {
return b + a;
}
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Find and kill a process in one line using bash and regex
...
Nothing happened when I tested this.
– Orjanp
Aug 18 '10 at 13:30
8
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Fastest way to convert an iterator to a list
...
In my fast testing, [*your_iterator] appeared to be about twice as fast as list(your_iterator). Is this generally true, or it was just a specific occassion? (I used a map as iterator.)
– Neinstein
...
Maven: How to include jars, which are not available in reps into a J2EE project?
...path to the libs. But some times, that's all you want, to run and do a few tests.
EDIT: just re-red the question and realised the user was already using my solution as a temporary fix. I'll leave my answer as a quick help for others that come to this question. If anyone disagrees with this please l...
How to define “type disjunction” (union types)?
... -- with examples: github.com/GenslerAppsPod/scalavro/blob/master/util/src/test/…
– Connor Doyle
Aug 21 '13 at 19:40
6
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How to save and load cookies using Python + Selenium WebDriver
...here before loading the cookies file (as per this comment), though did not test it.
– Roel Van de Paar
Jun 3 '19 at 5:07
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How to check if a String is numeric in Java
...nt answer, I also have similar performance concerns on using Exceptions to test whether the string is numerical or not. So I end up splitting the string and use java.lang.Character.isDigit().
public static boolean isNumeric(String str)
{
for (char c : str.toCharArray())
{
if (!Chara...