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What causes java.lang.IncompatibleClassChangeError?
...rror and AbstractMethodError.
The better paper about BC is "Evolving Java-based APIs 2: Achieving API Binary Compatibility" written by Jim des Rivières.
There are also some automatic tools to detect such changes:
japi-compliance-checker
clirr
japitools
sigtest
japi-checker
Usage of japi-compl...
What is more efficient? Using pow to square or just multiply it with itself?
...b)
TEST(5, b*b*b*b*b)
template <int exponent>
double testpow(double base, long loops)
{
double x = 0.0;
boost::posix_time::ptime startTime = now();
for (long i=0; i<loops; ++i)
{
x += std::pow(base, exponent);
x += std::pow(base, exponent);
x += std...
PHP: How to remove all non printable characters in a string?
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364
7 bit ASCII?
If your Tardis just landed in 1963, and you just want the 7 bit printable ASCII c...
JavaScript global event mechanism
...
648
How to Catch Unhandled Javascript Errors
Assign the window.onerror event to an event handler ...
Add and Remove Views in Android Dynamically?
...n you write an XML layout, it is just parsed in Java and views are created based on it during the run-time!
– Davide Cannizzo
Jan 27 '18 at 17:02
add a comment
...
How do I install Python packages on Windows?
...the only one that worked for me. My environment - Python 3.3.1 , Windows 7 64bit, x64 PC. if possible, please upvote this, saves ppl a lot of trouble.
– Quest Monger
May 10 '13 at 1:54
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Seeking clarification on apparent contradictions regarding weakly typed languages
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@edalorzo: It is based on taste and personal opinions about (1) what aspects of type theory are relevant and which are irrelevant, and (2) whether a language is required to enforce or merely encourage type restrictions. As I pointed out, one ...
Update just one gem with bundler
...undle update
> ruby -v
ruby 2.6.5p114 (2019-10-01 revision 67812) [x86_64-darwin19]
> gem -v
3.0.3
> bundle -v
Bundler version 2.1.4
share
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improve this answer
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Current time formatting with Javascript
...rts:
getFullYear() - Returns the 4-digit year
getMonth() - Returns a zero-based integer (0-11) representing the month of the year.
getDate() - Returns the day of the month (1-31).
getDay() - Returns the day of the week (0-6). 0 is Sunday, 6 is Saturday.
getHours() - Returns the hour of the day (0-...
How do you allow spaces to be entered using scanf?
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I did not test, but based on other answers in this very page, I believe the correct buffer size for scanf in your example would be: scanf("%19[^\n]", name); (still +1 for the concise answer)
– DrBeco
Jun 12...