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Linq to Entities join vs groupjoin
...ith a group of joined entries in the second list.
That's why Join is the equivalent of INNER JOIN in SQL: there are no entries for C. While GroupJoin is the equivalent of OUTER JOIN: C is in the result set, but with an empty list of related entries (in an SQL result set there would be a row C - null...
iPhone App Icons - Exact Radius?
...23 (iPad Retina)
If you do create a set of custom icons, you can set the UIPrerenderedIcon option to true in your info.plist file and it will not add the gloss effect but it will place a black background under it and still round the image corners with these corner radii so if the corner radius on ...
Specifying and saving a figure with exact size in pixels
...t large, so you won't be able to show a figure of that size (matplotlib requires the figure to fit in the screen, if you ask for a size too large it will shrink to the screen size). Let's imagine you want an 800x800 pixel image just for an example. Here's how to show an 800x800 pixel image in my mon...
What is the AppDelegate for and how do I know when to use it?
...he Application Delegate is an object which receives notifications when the UIApplication object reaches certain states. In many respects, it is a specialized one-to-one Observer pattern.
This means that the "area of concern" for the AppDelegate is handling special UIApplication states. The most imp...
Replace selector images programmatically
...the NavStateListDrawable in xml, so you have to set the background of your UI element through code. The onStateChange method must then be overriden to ensure that every time the level of the main drawable is changed, that you also update the level of the child level list.
When constructing the Nav...
Differences between Octave and MATLAB? [closed]
...de, you'll often see sentences like "Octave supports both, while MATLAB requires the first" etc. This shows that Octave's developers try to make Octave syntax "superior" to MATLAB's.
This attitude makes Octave lose its purpose completely. The idea behind Octave is (or has become, I should say, see...
Add shadow to custom shape on Android
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What if you've got several UI widgets which should appear fused with one shadow around the outermost shape? I tried adding elevation to the outer one but the inner one then got hidden behind the outer one. So I tried adding elevation to both but then...
Create a Date with a set timezone without using a string representation
...he "new Date(Date.UTC(...))" syntax allows you to create a date which is equivalent to a UTC date in terms of the point in time that it represents, but it is not the same - it has a different (non UTC) time zone.
– Anthony
Dec 6 '11 at 16:22
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Is there a way to check if a file is in use?
... to cast. Finally you want to dispose ASAP, and the finally logic may have UI or any other long running actions that have little to do with calling IDispose. </rant>
– Spence
Nov 27 '12 at 20:01
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Difference between add(), replace(), and addToBackStack()
...n a activity.
You can combine multiple fragments in a single activity to build a multi-pane UI and reuse a fragment in multiple activities. This is essentially useful when you have defined your fragment container at different layouts. You just need to replace with any other fragment in any layout.
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