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how to listen to N channels? (dynamic select statement)
...r given the same input, a slice of channels to read from and a function to call for each value which also need to know which channel the value came from.
There are three main differences between the approaches:
Complexity. Although it may partially be a reader preference I find the channel approa...
How to convert URL parameters to a JavaScript object?
...RLParams, returns an iterable object, using the spread operator instead of calling .entries will also yield entries per its spec:
const urlParams = new URLSearchParams('abc=foo&def=%5Basf%5D&xyz=5');
const params = Object.fromEntries(urlParams); // {abc: "foo", def: "[asf]", xyz: "5"}
Not...
Android Fragments and animation
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To achieve the same thing with hiding or showing a fragment you'd simply call ft.show or ft.hide, passing in the Fragment you wish to show or hide respectively.
For reference, the XML animation definitions would use the objectAnimator tag. An example of slide_in_left might look something like thi...
Can someone explain the traverse function in Haskell?
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The Traversable instance is almost the same, except the constructors are called in applicative style. This means that we can have (side-)effects while rebuilding the tree. Applicative is almost the same as monads, except that effects cannot depend on previous results. In this example it means that...
Passing Parameters JavaFX FXML
...small applications I highly recommend passing parameters directly from the caller to the controller - it's simple, straightforward and requires no extra frameworks.
For larger, more complicated applications, it would be worthwhile investigating if you want to use Dependency Injection or Event Bus me...
How do you connect to multiple MySQL databases on a single webpage?
... functions or see the answer below from @Troelskn
You can make multiple calls to mysql_connect(), but if the parameters are the same you need to pass true for the '$new_link' (fourth) parameter, otherwise the same connection is reused. For example:
$dbh1 = mysql_connect($hostname, $username, $pa...
Can Mockito capture arguments of a method called multiple times?
I have a method that gets called twice, and I want to capture the argument of the second method call.
6 Answers
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What are the main disadvantages of Java Server Faces 2.0?
...n 1.2 (which was codenamed Mojarra since build 1.2_08, around 2008), practically every build got shipped with (major) performance improvements next to the usual (minor) bugfixes.
The only serious disadvantage of JSF 1.x (including 1.2) is the lack of a scope in between the request and session scope...
Android: When is onCreateOptionsMenu called during Activity lifecycle?
...ut one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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How to set radio button checked as default in radiogroup?
I have created RadioGroup and RadioButton dynamically as following:
8 Answers
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