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When to use PNG or JPG in iPhone development?
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PNG's are pixel perfect (non-lossy), and require very little extra CPU energy to display. However, large PNGs may take longer to read from storage than more compressed image formats, and thus be slower to display.
JPG's are smaller to store, but lossy (amount ...
When to call activity context OR application context?
...plicationContext() when you know why you are using getApplicationContext() and only when you need to use getApplicationContext().
To be blunt, "some programmers" use getApplicationContext() (or getBaseContext(), to a lesser extent) because their Java experience is limited. They implement an inner c...
What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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Android ViewPager - Show preview of page on left and right
I'm using Android's ViewPager . What I want to do is to show a preview of the page on both the left and the right. I've seen where I can use a negative pageMargin to show a preview of the right side.
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Find location of a removable SD card
...le via USB Mass Storage mode when mounted on a host machine", at least for Android 1.x and 2.x.
But the question is about external SD. How to get a path like "/mnt/sdcard/external_sd" (it may differ from device to device)?
Android has no concept of "external SD", aside from external storage, as de...
What is code coverage and how do YOU measure it?
What is code coverage and how do YOU measure it?
9 Answers
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How to programmatically send SMS on the iPhone?
Does anybody know if it's possible, and how, to programmatically send a SMS from the iPhone , with the official SDK / Cocoa Touch?
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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
How do you organize and manage your helper objects like the database engine, user notification, error handling and so on in a PHP based, object oriented project?
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Git mergetool with Meld on Windows
In Linux, my favorite merge tool is Meld, and I've had no problems using or configuring it to work with Git. However, in Windows it has been a different story.
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vertical-align with Bootstrap 3
I'm using Twitter Bootstrap 3, and I have problems when I want to align vertically two div , for example — JSFiddle link :
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