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How to determine height of UICollectionView with FlowLayout
...ionView.
The simple and easy solution lies in the underlying layout: Just call collectionViewContentSize on your myCollectionView.collectionViewLayout property and you get the height and width of the content as CGSize. It's as easy as that.
...
Is there a way to get the XPath in Google Chrome?
...
Google Chrome provides a built-in debugging tool called "Chrome DevTools" out of the box, which includes a handy feature that can evaluate or validate XPath/CSS selectors without any third party extensions.
This can be done by two approaches:
Use the search function insid...
php execute a background process
...ver-side script in whatever language (php/bash/perl/etc) is handy and then call it from the process control functions in your php script.
The function probably detects if standard io is used as the output stream and if it is then that will set the return value..if not then it ends
proc_close( pro...
Why is Java's AbstractList's removeRange() method protected?
...code. Instead, do this:
list.subList(start, end).clear();
This actually calls removeRange behind the scenes.†
The OP asks why removeRange is not part of the List public API. The reason is described in Item 40 of Effective Java 2nd ed, and I quote it here:
There are three techniques for s...
jQuery event handlers always execute in order they were bound - any way around this? [duplicate]
...ry exposes all event handlers through an element's data interface. Specifically element.data('events'). Using this you could always write a simple plugin whereby you could insert any event handler at a specific position.
Here's a simple plugin that does just that to insert a handler at the beginni...
Matplotlib connect scatterplot points with line - Python
... It looks like you, Evert and kigurai are all right. You can call both scatter() and plot() before calling show(). Or just call plot() with the line and point attributes as Steve Barnes described. Thanks
– brno792
Nov 21 '13 at 22:31
...
Creating functions in a loop
...h late binding -- each function looks up i as late as possible (thus, when called after the end of the loop, i will be set to 2).
Easily fixed by forcing early binding: change def f(): to def f(i=i): like this:
def f(i=i):
return i
Default values (the right-hand i in i=i is a default value...
How do I remove the first characters of a specific column in a table?
...
Is it safe to call this on a NULL column? Would would happen in this case?
– Ian R. O'Brien
Dec 6 '12 at 17:45
...
Using GPU from a docker container?
... is a set of 2 numbers between the group and the date.
These 2 numbers are called major and minor numbers (wrote in that order) and design a device.
We will just use the major numbers for convenience.
Why do we activated lxc driver?
To use the lxc conf option that allow us to permit our container t...
Server polling with AngularJS
...
You should be calling the tick function in the callback for query.
function dataCtrl($scope, $timeout, Data) {
$scope.data = [];
(function tick() {
$scope.data = Data.query(function(){
$timeout(tick, 1000);
...