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Is there shorthand for returning a default value if None in Python? [duplicate]
... This is also how it is implemented in the convenience function ifnone from the fastai library. So if you are using that library, then that is your shorthand.
– MartijnVanAttekum
Sep 22 '19 at 14:20
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LINQ, Where() vs FindAll()
...y be used on List<T> instances (or instances of classes that inherit from it, of course).
Additionally, they differ in actual purpose. Where returns an instance of IEnumerable that is executed on-demand when the object is enumerated. FindAll returns a new List<T> that contains the reque...
How to check for an active Internet connection on iOS or macOS?
....h>
Now just call this function:
/*
Connectivity testing code pulled from Apple's Reachability Example: https://developer.apple.com/library/content/samplecode/Reachability
*/
+(BOOL)hasConnectivity {
struct sockaddr_in zeroAddress;
bzero(&zeroAddress, sizeof(zeroAddress));
zer...
What is a provisioning profile used for when developing iPhone applications?
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A Quote from : iPhone Developer Program (~8MB PDF)
A provisioning profile is a collection of digital entities that uniquely ties developers and devices to an authorized iPhone Development Team and enables a device to be used for ...
How can I know when an EditText loses focus?
...ngeListener(this);
then android studio will prompt you to add the method from the interface, accept it...
it will be like:
@Override
public void onFocusChange(View v, boolean hasFocus) {
// todo your code here...
}
and as you've got a factorized code, you'll just have to do that:
@Override
pub...
How to add a new row to an empty numpy array
...o me there is no way to avoid boundary cases if you are building up arrays from empty by concatenation.
– Taozi
Oct 20 '15 at 21:25
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Tab key == 4 spaces and auto-indent after curly braces in Vim
...spaces to use for each step of (auto)indent. ai = autoindent = Copy indent from current line when starting a new line.
– mcmacerson
Nov 26 '17 at 14:37
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Rails 4 - passing variable to partial
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From the Rails api on PartialRender:
Rendering the default case
If you're not going to be using any of the options like collections or layouts, you can also use the short-hand defaults of render to render partials.
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C#: Printing all properties of an object [duplicate]
...any solution would be), but it provides a pretty good level of abstraction from the reflection API.
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How to write a test which expects an Error to be thrown in Jasmine?
...h expects an error. At the moment I'm using a Jasmine Node.js integration from GitHub .
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