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Where do alpha testers download Google Play Android apps?
I have developed my app and have published it through Google Play for alpha testing. As one of the testers I get an opt-in link, where I signed in as a tester. After that I was hoping to download the app directly with my phone by going to the Play Store on my phone. But as it seems to turn out, I ha...
How to set the prototype of a JavaScript object that has already been instantiated?
...have an object foo in my JavaScript code. foo is a complex object and it is generated somewhere else. How can I change the prototype of the foo object?
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Random data in Unit Tests?
I have a coworker who writes unit tests for objects which fill their fields with random data. His reason is that it gives a wider range of testing, since it will test a lot of different values, whereas a normal test only uses a single static value.
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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
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edited Jan 24 '19 at 19:55
Greg Brown
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Is there a way to provide named parameters in a function call in JavaScript?
I find the named parameters feature in C# quite useful in some cases.
10 Answers
10
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Detecting an undefined object property
...ty, and will therefore return undefined by default when you try and access it:
if(!o.hasOwnProperty('myProperty')) {
alert("myProperty does not exist");
}
To check if the value associated with an identifier is the special value undefined, or if that identifier has not been declared. Note: this ...
biggest integer that can be stored in a double
...ggest "no-floating" integer that can be stored in an IEEE 754 double type without losing precision ?
7 Answers
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JavaScript Chart Library
... approaches but for a charting library I would recommend the later because it is well integrated with DOM, allowing to manipulate charts elements with the DOM, and most importantly setting DOM events. By contrast Canvas charting libraries must reinvent the DOM wheel to manage events. So unless you i...
What is memory fragmentation?
...+ dynamic memory allocation. I've found some questions about how to deal with memory fragmentation, but can't find a direct question that deals with it itself. So:
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Why does flowing off the end of a non-void function without returning a value not produce a compiler
...e rationale includes that checking if every code path returns a value is quite difficult, and a return value could be set with embedded assembler or other tricky methods.
From C++11 draft:
§ 6.6.3/2
Flowing off the end of a function [...] results in undefined behavior in a value-returning fun...