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Javascript dynamically invoke object method from string
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if the name of the property is stored in a variable, use []
foo[method]();
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Scala Doubles, and Precision
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this is perfect if you just need to render the value and never use it in subsequent operations. thanks
– Alexander Arendar
Dec 3 '14 at 21:20
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How and why does 'a'['toUpperCase']() in JavaScript work?
...avaScript language. To be sure that member is in the object, simply check, if it is defined:
function callMethod(method) {
return function (obj) {
if (typeof(obj[method]) == 'function') //in that case, check if it is a function
return obj[method](); //and then invoke it
}...
Unresolved external symbol in object files
...larations, but you either:
do not define the functions in your cpp file (if you wrote this code yourself)
do not include the lib/dll file that contains the definitions
A common mistake is that you define a function as a standalone and forget the class selector, e.g. A::, in your .cpp file:
Wro...
Android Eclipse - Could not find *.apk
...elect Android from left-hand side list
Uncheck the "Is Library" checkbox
If your app project relies on library projects which are in your workspace, those of course need to have the "Is Library" box checked.
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Is there a Mutex in Java?
...acle.com/technetwork/articles/javase/index-140767.html
It has a slightly different pattern which is (I think) what you are looking for:
try {
mutex.acquire();
try {
// do something
} finally {
mutex.release();
}
} catch(InterruptedException ie) {
// ...
}
In this usage, you're ...
Set the absolute position of a view
...seems to work, however, it's only working when a add one picture this way. if I try to add a 2nd one, the first one just vanishes...
– Sephy
Jul 21 '10 at 21:03
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Django, creating a custom 500/404 error page
...rial found here exactly, I cannot create a custom 500 or 404 error page. If I do type in a bad url, the page gives me the default error page. Is there anything I should be checking for that would prevent a custom page from showing up?
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How to get first element in a list of tuples?
...of tuple objects, not a list of sets (as your original question implied). If it is actually a list of sets, then there is no first element because sets have no order.
Here I've created a flat list because generally that seems more useful than creating a list of 1 element tuples. However, you can ...
How to implement a ViewPager with different Fragments / Layouts
...lements viewpager, the viewpager created various fragments. I want to use different layouts for each fragment, but the problem is that viewpager shows only two layouts at the max (second layout on all of the remaining fragments after 1).
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