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UICollectionView reloadData not functioning properly in iOS 7
...l UIKit related messages. I seem to run into this when popping to the view from another view controller. I refresh the data on viewWillAppear. I could see the data and collection view reload call, but the UI was not updated. Forced the main thread (UI thread), and it magically starts working. Th...
Mockito: Trying to spy on method is calling the original method
...
My case was different from the accepted answer. I was trying to mock a package-private method for an instance that did not live in that package
package common;
public class Animal {
void packageProtected();
}
package instances;
class Dog ex...
Call An Asynchronous Javascript Function Synchronously
...t know why you wouldn't just pass a callback to doSomething() to be called from the other callback, but I better stop before I get into trouble. ;)
Oh, what the heck. You gave an example that suggests it can be done correctly, so I'm going to show that solution...
function doSomething( func ) {
...
AWS Error Message: A conflicting conditional operation is currently in progress against this resourc
...ying the EU region
At step 3, AWS console has shown me the error message from title of your question.
So I guess, that the bucket in US was deleted, but there are possibly some synchronization processes, which are taking time. And I hope, that waiting few hours I will find the bucket name again a...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
Somehow my Vagrant project has disassociated itself from its VirtualBox VM, so that when I vagrant up Vagrant will import the base-box and create a new virtual machine.
...
How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
...ig --global filter.gitignore.smudge cat, i.e. do nothing when pulling file from repo
Notes:
Of course, this is for ruby files, applied when a line ends with #gitignore, applied globally in ~/.gitconfig. Modify this however you need for your purposes.
Warning!!
This leaves your working file diffe...
Linux delete file with size 0 [duplicate]
... not Mac OS), you can omit it in this case:
find -type f -empty -delete
From GNU find documentation:
If no files to search are specified, the current directory (.) is used.
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What is the difference between map and flatMap and a good use case for each?
...rms an RDD of length N into another RDD of length N.
For example, it maps from two lines into two line-lengths:
rdd.map(_.length).collect
res1: Array[Int] = Array(13, 16)
But flatMap (loosely speaking) transforms an RDD of length N into a collection of N collections, then flattens these int...
Pimpl idiom vs Pure virtual class interface
...r always depends on requirements. Third party Library writers (as distinct from using a library in your own organization) may heavily prefer the Pimpl.
– Spacen Jasset
Nov 10 '18 at 17:38
...
Rails 3.1: Engine vs. Mountable App
...ull Engine
With a full engine, the parent application inherits the routes from the engine. It is not necessary to specify anything in parent_app/config/routes.rb. Specifying the gem in Gemfile is enough for the parent app to inherit the models, routes etc. The engine routes are specified as:
#...