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What is the difference between min SDK version/target SDK version vs. compile SDK version?
...ch application will be able to install. Also it is used by Lint to prevent calling API that doesn’t exist. Also it has impact on Build Time. So you can use build flavors to override minSdkVersion to maximum during the development. It will help to make build faster using all improvements that the A...
Converting list to *args when calling function [duplicate]
...can use the * operator before an iterable to expand it within the function call. For example:
timeseries_list = [timeseries1 timeseries2 ...]
r = scikits.timeseries.lib.reportlib.Report(*timeseries_list)
(notice the * before timeseries_list)
From the python documentation:
If the syntax *expr...
How do I delay a function call for 5 seconds? [duplicate]
I want widget.Rotator.rotate() to be delayed 5 seconds between calls... how do I do this in jQuery... it seems like jQuery's delay() wouldn't work for this...
...
Calling a method every x minutes
I want to call some method on every 5 minutes. How can I do this?
7 Answers
7
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How to “properly” create a custom object in JavaScript?
...pe at '+this.x+', '+this.y;
};
Now to subclass it, in as much as you can call what JavaScript does subclassing. We do that by completely replacing that weird magic prototype property:
function Circle(x, y, r) {
Shape.call(this, x, y); // invoke the base class's constructor function to take co...
Call apply-like function on each row of dataframe with multiple arguments from each row
...dataframe with multiple columns. For each row in the dataframe, I want to call a function on the row, and the input of the function is using multiple columns from that row. For example, let's say I have this data and this testFunc which accepts two args:
...
How do I implement a callback in PHP?
How are callbacks written in PHP?
9 Answers
9
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UICollectionView's cellForItemAtIndexPath is not being called
...ectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
was not being called was because of the itemSize for the collectionViewFlowLayout's height was too big.
[self.myCollectionViewFlowLayout setItemSize:CGSizeMake(320, 548)];
If I change the height to 410, it will execute cellForItemAtInde...
Function pointers, Closures, and Lambda
... Lisp, Scheme, ML, or Haskell closure does not create a new function dynamically. Instead it reuses an existing function but does so with new free variables. The collection of free variables is often called the environment, at least by programming-language theorists.
A closure is just an aggreg...
What is a Y-combinator? [closed]
...sive function. First you must write your function as a piece of code that calls a pre-existing function, rather than itself:
// Factorial, if func does the same thing as this bit of code...
x == 0 ? 1: x * func(x - 1);
Then you turn that into a function that takes a function to call, and returns...