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Convert a number range to another range, maintaining ratio
...lue - OldMin) * NewRange) / OldRange) + NewMin
Or if you want to protect for the case where the old range is 0 (OldMin = OldMax):
OldRange = (OldMax - OldMin)
if (OldRange == 0)
NewValue = NewMin
else
{
NewRange = (NewMax - NewMin)
NewValue = (((OldValue - OldMin) * NewRange) / OldR...
Best database field type for a URL
I need to store a url in a MySQL table. What's the best practice for defining a field that will hold a URL with an undetermined length?
...
Converting unix timestamp string to readable date
...
.fromtimestamp() might fail for past dates if a local timezone had different utc offset. You need a historic timezone database such as provided by pytz module (or your OS). Or just work in UTC and use .utcfromtimestamp().
– jfs
...
NumPy array initialization (fill with identical values)
...d np.full(), which is a more direct method than empty() followed by fill() for creating an array filled with a certain value:
>>> np.full((3, 5), 7)
array([[ 7., 7., 7., 7., 7.],
[ 7., 7., 7., 7., 7.],
[ 7., 7., 7., 7., 7.]])
>>> np.full((3, 5), 7, dtype...
Representing Monetary Values in Java [closed]
I understand that BigDecimal is recommended best practice for representing monetary values in Java. What do you use? Is there a better library that you prefer to use instead?
...
How do I convert a String to an int in Java?
...entation you'll notice the "catch" is that this function can throw a NumberFormatException, which of course you have to handle:
int foo;
try {
foo = Integer.parseInt(myString);
}
catch (NumberFormatException e)
{
foo = 0;
}
(This treatment defaults a malformed number to 0, but you can do some...
JavaScript + Unicode regexes
...
Situation for ES 6
The upcoming ECMAScript language specification, edition 6, includes Unicode-aware regular expressions. Support must be enabled with the u modifier on the regex. See Unicode-aware regular expressions in ES6.
Until ES ...
Is there a standard naming convention for git tags? [closed]
I've seen a lot of projects using v1.2.3 as the naming convention for tags in git. I've also seen some use 1.2.3 . Is there an officially endorsed style, or are there any good arguments for using either?
...
An async/await example that causes a deadlock
I came across some best practices for asynchronous programming using c#'s async / await keywords (I'm new to c# 5.0).
5 A...
How do I create 7-Zip archives with .NET?
...mand line utility with our binaries and shell out to it. Works really well for us.
– David Mohundro
Oct 22 '08 at 13:16
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