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Android: How can I validate EditText input?
I need to do form input validation on a series of EditTexts. I'm using OnFocusChangeListeners to trigger the validation after the user types into each one, but this doesn't behave as desired for the last EditText.
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How to print (using cout) a number in binary form?
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The easiest way is probably to create an std::bitset representing the value, then stream that to cout.
#include <bitset>
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char a = -58;
std::bitset<8> x(a);
std::cout << x << '\n';
short c = -315;
std::bitset<16> y(c);
std::cout <...
ASP.NET MVC - TempData - Good or bad practice
...cceptVerbs method detailed in Scott Gu's Preview 5 blog post for dealing with form entries in ASP.NET MVC:
8 Answers
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What's onCreate(Bundle savedInstanceState)
...te(Bundle savedInstanceState) I am newbie in Android. I try to understand it from developer.android.com. But I am not able to understand. Can anyone simplify it?
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Play an audio file using jQuery when a button is clicked
I am trying to play an audio file when I click the button, but it's not working, my html code is:
6 Answers
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Replace part of a string with another string
Is it possible in C++ to replace part of a string with another string?
15 Answers
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to_string is not a member of std, says g++ (mingw)
...GW. Relevant Bugzilla. In the comments section you can get a patch to make it work with MinGW.
This issue has been fixed in MinGW-w64 distros higher than GCC 4.8.0 provided by the MinGW-w64 project. Despite the name, the project provides toolchains for 32-bit along with 64-bit. The Nuwen MinGW dist...
How to detect the OS from a Bash script?
...# Mac OSX
elif [[ "$OSTYPE" == "cygwin" ]]; then
# POSIX compatibility layer and Linux environment emulation for Windows
elif [[ "$OSTYPE" == "msys" ]]; then
# Lightweight shell and GNU utilities compiled for Windows (part of MinGW)
elif [[ "$OSTYPE" == "win32" ]]; then
# I'm...
How do I display the current value of an Android Preference in the Preference summary?
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There are ways to make this a more generic solution, if that suits your needs.
For example, if you want to generically have all list preferences show their choice as summary, you could have this for your onSharedPreferenceChanged implementation:
public void onSharedPreferenceChanged(Sh...
Can anyone explain this strange behavior with signed floats in C#?
Here is the example with comments:
11 Answers
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