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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 ...
How to make links in a TextView clickable?
...
Buried in the API demos I found the solution to my problem:
Link.java:
// text2 has links specified by putting <a> tags in the string
// resource. By default these links will appear but not
// respond to user input. T...
.net implementation of bcrypt
...t something other than BCrypt.dll or it will conflict with the new Windows API in Vista that calls functions in a 'bcrypt.dll', so if you have Bcrypt.net as Bcrypt.dll in your web app bin/ directory Windows won't be able to find the correct dll and you will get some cryptic errors.
...
mongodb count num of distinct values per field/key
...
Here is example of using aggregation API. To complicate the case we're grouping by case-insensitive words from array property of the document.
db.articles.aggregate([
{
$match: {
keywords: { $not: {$size: 0} }
}
},
{ $unw...
What is the best way to trigger onchange event in react js
... Event is not support IE https://developer.mozilla.org/en-US/docs/Web/API/Event/Event
– Joyful
Mar 7 '16 at 9:18
1
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What do I return if the return type of a method is Void? (Not void!)
...to implement this function
I'd say that something may be funky with your API if you needed to implement a method with this signature. Consider carefully whether there's a better way to do what you want (perhaps you can provide more details in a different, follow-up question?). I'm a little suspici...
Android TextView Justify Text
...his, and believe me, my UI cries for some new stuff yet to be added to the API, coz it is damn damn slow for components like chat in a listview.
– nobalG
Dec 28 '16 at 10:06
...
Is there a simple way to remove unused dependencies from a maven pom.xml?
... be carefull while using dependency:analyze, even i was using 'ejp api3'depedency but the report shown it was 'unused and declared'
– Akhil S Kamath
Jul 11 '18 at 10:29
...
How to get the current time in milliseconds from C in Linux?
...olution of the implementation.
It is already implemented in Ubuntu 15.10. API looks the same as the POSIX clock_gettime.
#include <time.h>
struct timespec ts;
timespec_get(&ts, TIME_UTC);
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* nanosecon...
Rails auto-assigning id that already exists
... answered Feb 27 '13 at 9:40
ApieApie
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