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How to make an Android Spinner with initial text “Select One”?
... overrides the Spinner view. It overrides setAdapter() to set the initial position to -1, and proxies the supplied SpinnerAdapter to display the prompt string for position less than 0.
This has been tested on Android 1.5 through 4.2, but buyer beware! Because this solution relies on reflection to c...
How does password salt help against a rainbow table attack?
I'm having some trouble understanding the purpose of a salt to a password. It's my understanding that the primary use is to hamper a rainbow table attack. However, the methods I've seen to implement this don't seem to really make the problem harder.
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What is the C runtime library?
...ching, Googling like a devil, but I couldn't find anything better than Microsoft's: "The Microsoft run-time library provides routines for programming for the Microsoft Windows operating system. These routines automate many common programming tasks that are not provided by the C and C++ languages."
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Design by contract using assertions or exceptions? [closed]
...ulfilled, before starting to work on its responsibilities, right? The two most prominent ways to do these checks are by assert and by exception .
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C# vs C - Big performance difference
...seems that what you're measuring is basically "which compiler inserts the most debugging overhead". And turns out the answer is C. But that doesn't tell us which program is fastest. Because when you want speed, you enable optimizations.
By the way, you'll save yourself a lot of headaches in the lon...
What is the smallest possible valid PDF?
Out of simple curiosity, having seen the smallest GIF , what is the smallest possible valid PDF file?
4 Answers
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Android Game Keeps Getting Hacked [closed]
...very time submit the progress-log from the game and validate this against possible values + hashcodes. This could perhaps make it possible to automatically close down of hacked accounts.
Stealth cheater protection
3) You could also just count "small warning flags" that you place around in the gam...
List of All Locales and Their Short Codes?
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The importance of locales is that your environment/os can provide formatting functionality for all installed locales even if you don't know about them when you write your application. My Windows 7 system has 211 locales installed (listed below), so you wouldn't likely write ...
Best practice for nested fragments in Android 4.0, 4.1 (
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Limitations
So nesting fragments inside another fragment is not possible with xml regardless of which version of FragmentManager you use.
So you have to add fragments via code, this might seem like a problem, but in the long run makes your layouts superflexible.
So nesting without using ...
How to use the pass statement?
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Suppose you are designing a new class with some methods that you don't want to implement, yet.
class MyClass(object):
def meth_a(self):
pass
def meth_b(self):
print "I'm meth_b"
If you were to leave ou...