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iOS JavaScript bridge
...cute JS methods from Objective-C
This is really just one line of code.
NSString *returnvalue = [webView stringByEvaluatingJavaScriptFromString:@"your javascript code string here"];
More details on the official UIWebView Documentation.
2. Execute Objective-C methods from JS
This is unfortunatel...
How can I convert immutable.Map to mutable.Map in Scala?
... immutable.Map(1->"one",2->"two")
val myMutableMap: mutable.Map[Int, String] = myImmutableMap.map(identity)(breakOut)
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What algorithms compute directions from point A to point B on a map?
...
Just addressing the triangle inequality violations, hopefully the extra factor they're optimising for is common sense. You don't necessarily want the shortest or fastest route, as it can lead to chaos and destruction. If you want your directions to prefer the major routes that are truck-fri...
Check if object is a jQuery object
...a is a jQuery object! ');
}
if ( b.jquery ) { // truthy, since it's a string
alert(' b is a jQuery object! ');
}
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How do I read an attribute on a class at runtime?
...
public string GetDomainName<T>()
{
var dnAttribute = typeof(T).GetCustomAttributes(
typeof(DomainNameAttribute), true
).FirstOrDefault() as DomainNameAttribute;
if (dnAttribute != null)
{
return...
How do I format a date in Jinja2?
...er is called many times in the templates, this avoids repeating the format string, and can result into writting less code. And even more important, less repeated code, by adding an abstration.
– jacquev6
Jun 4 '18 at 8:59
...
Last non-empty cell in a column
...(the 65536th row in Excel 2003, for instance) is not robust and results in extra overhead
This is what I use
when the data type is mixed: =max(MATCH(1E+306,[RANGE],1),MATCH("*",[RANGE],-1))
when it's known that the data contains only numbers: =MATCH(1E+306,[RANGE],1)
when it's known that the dat...
Which Boost features overlap with C++11?
...ow)
Move ← Rvalue references
Replaceable by C++17 language features:
String_ref → std::string_view
Filesystem → <filesystem> (Filesystem TS)
Optional → std::optional (Library Fundamentals TS v1)
Any → std::any (Library Fundamentals TS v1)
Math/Special Functions → <cmath> ...
Where to define custom error types in Ruby and/or Rails?
...
Some heirarchy can be helpful - namespaces are good at keeping redundant strings out of type names - but that's more a matter of taste - there's no need to go overboard provided you have at least one custom exception type in your app which you use throughout to differentiate between 'intentional' ...
Detect if the app was launched/opened from a push notification
... dictionary has the data you expect
if let type = userInfo["type"] as? String where type == "status" {
// IF the wakeTime is less than 1/10 of a second, then we got here by tapping a notification
if application.applicationState != UIApplicationState.Background && NSDate().tim...