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How to tell if UIViewController's view is visible
... be better to check first to see if it is already loaded. I've added the call to isViewLoaded to avoid this problem.
if (viewController.isViewLoaded && viewController.view.window) {
// viewController is visible
}
Since iOS9 it has became easier:
if viewController.viewIfLoaded?.windo...
Restful way for deleting a bunch of items
...because you don't need any redirects. Incorporating AJAX you could do this all without leaving the page.
– rojoca
Mar 15 '10 at 19:40
...
plot a circle with pyplot
...nd the axes (but not beyond the figure, ie the figure size is not automatically adjusted to plot all of your artists).
The units for x, y and radius correspond to data units by default. In this case, I didn't plot anything on my axes (fig.gca() returns the current axes), and since the limits have n...
Android: How to change the ActionBar “Home” Icon to be something other than the app icon?
...worked great. No need to mess with a custom theme or worry about affecting all the activities.
– Jason
Sep 20 '13 at 21:56
...
Mock framework vs MS Fakes frameworks
... 2011 Fakes Framework.
Going through MSDN, what I understand is that Fakes allow you to mock your dependencies just like RhinoMock or NMock, however the approach is different, Fakes generates code to achive this functionality but Mocks framework does not. So is my understanding correct? Is Fakes ju...
Checking in packages from NuGet into version control?
Prior to NuGet, it was common accepted 'best practice' to check-in all external DLLs used on a project. Typically in a Libs or 3rdParty directory.
...
How to insert a text at the beginning of a file?
...
To actually insert a new line: sed -i '1s/^/<added text> \n/' file
– jslatts
Sep 17 '13 at 13:27
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How do I use disk caching in Picasso?
...Global"
.. >
</application>
Now use Picasso as you normally would. No changes.
EDIT:
if you want to use cached images only. Call the library like this. I've noticed that if we don't add the networkPolicy, images won't show up in an fully offline start even if they are cached. T...
Check if UIColor is dark or bright?
...
This extension works with greyscale colors. However, if you are creating all your colors with the RGB initializer and not using the built in colors such as UIColor.black and UIColor.white, then possibly you can remove the additional checks.
extension UIColor {
// Check if the color is light ...
Detecting if an NSString contains…?
...
Actually you can just add space on the beginning and end of the string and " is " will match string begins with "is"
– user4951
Nov 12 '12 at 7:41
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