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How to evaluate a math expression given in string form?
...er.org/
https://mathparser.org/mxparser-tutorial/
https://mathparser.org/api/
And few examples
1 - Simple furmula
Expression e = new Expression("( 2 + 3/4 + sin(pi) )/2");
double v = e.calculate()
2 - User defined arguments and constants
Argument x = new Argument("x = 10");
Constant a = new ...
android.view.InflateException: Binary XML file: Error inflating class fragment
...ight side for right-to-left languages.
If you're not building against API 17 or higher, use
android:layout_gravity="left" instead. -->
<!-- The drawer is given a fixed width in dp and extends the full height of
the container. -->
<fragment android:id="@+id/navigation_draw...
Boolean vs boolean in Java
...oolean / boolean. Simplicity is the way to go.
If you do not need specific api (Collections, Streams, etc.) and you are not foreseeing that you will need them - use primitive version of it (boolean).
With primitives you guarantee that you will not pass null values. You will not fall in traps like ...
how to stop browser back button using javascript
...isable the back button for modern browsers which support the HTML5 History API. Under normal circumstances, pushing the back button goes back one step, to the previous page. If you use history.pushState(), you start adding extra sub-steps to the current page. The way it works is, if you were to use ...
How to get the raw value an field?
...
Everywhere: developer.mozilla.org/en-US/docs/Web/API/Document/execCommand
– fregante
Aug 14 '15 at 23:00
...
What are the advantages of NumPy over regular Python lists?
...nt C loops – each iteration would require type checks and other
Python API bookkeeping.
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SetUnhandledExceptionFilter and the C/C++ Runtime Library - C/C++ - 清...
... in the console) looks like:
bool g_showCrashDialog = false;
LONG WINAPI OurCrashHandler(EXCEPTION_POINTERS * /*ExceptionInfo*/)
{
std::cout << "Gotcha!" << std::endl;
return g_showCrashDialog ? EXCEPTION_CONTINUE_SEARCH : EXCEPTION_EXECUTE_HANDLER;
}
If the crash handling funct...
How to timeout a thread
...ks in the submitting thread; those guarantees come from the implementation APIs, like Executors factories.
– erickson
Sep 11 '15 at 19:18
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How to pattern match using regular expression in Scala?
... No. val r = "[A-Ca-c]".r ; 'a' match { case r() => } . scala-lang.org/api/current/#scala.util.matching.Regex
– som-snytt
Mar 9 '15 at 23:28
3
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Clojure differences between Ref, Var, Agent, Atom, with examples
...consider using the ensure function: clojure.github.io/clojure/clojure.core-api.html#clojure.core/… to make this explicit and more efficient.
– Arthur Ulfeldt
Sep 15 '15 at 18:47
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