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Is there a method that calculates a factorial in Java?
I didn't find it, yet. Did I miss something?
I know a factorial method is a common example program for beginners. But wouldn't it be useful to have a standard implementation for this one to reuse?
I could use such a method with standard types (Eg. int, long...) and with BigInteger / BigDecimal, too...
Detecting endianness programmatically in a C++ program
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You can do it by setting an int and masking off bits, but probably the easiest way is just to use the built in network byte conversion ops (since network byte order is always big endian).
if ( htonl(47) == 47 ) {
// Big endian
} else {
/...
Changing CSS Values with Javascript
It's easy to set inline CSS values with javascript. If I want to change the width and I have html like this:
9 Answers
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Converting between java.time.LocalDateTime and java.util.Date
Java 8 has a completely new API for date and time. One of the most useful classes in this API is LocalDateTime , for holding a timezone-independent date-with-time value.
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How to check for file lock? [duplicate]
Is there any way to check whether a file is locked without using a try/catch block?
12 Answers
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How to get a random number in Ruby
How do I generate a random number between 0 and n ?
17 Answers
17
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CSS hexadecimal RGBA?
...y support 4 and 8-digit hexadecimal RGBA notation!
Three weeks ago (18th of December 2014) the CSS Color Module Level 4 editor's draft was submitted to the CSS W3C Working Group. Though in a state which is heavily susceptible to change, the current version of the document implies that in the somew...
Why is UICollectionViewCell's outlet nil?
... Builder, binded views on it to the class, and then when I want to use and set a string to the label on the string, tha label has a nil value.
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What is the best way to tell if a character is a letter or number in Java without using regexes?
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Somehow you have gotten your character-sets and or display fonts mixed up. Unicode codepoint u00ff is actually the character ÿ. (Lower-case y with an umlaut.) The codepoint that represents ├ is u251c.
– Stephen C
Jun 1 ...
How to list all installed packages and their versions in Python?
...import pkg_resources [print(d.project_name) for d in pkg_resources.working_set]
– Almenon
Jul 14 '18 at 23:16
What's t...