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How to use the same C++ code for Android and iOS?
...e by steps
Our sample is a simple app that you send a text to CPP, and it converts that text to something else and returns it. The idea is, iOS will send "Obj-C" and Android will send "Java" from their respective languages, and the CPP code will create a text as a follow "cpp says hello to <<...
How do I print to the debug output window in a Win32 app?
...fer
swprintf(text_buffer, _countof(text_buffer), L"%d", your.variable); // convert
OutputDebugString(text_buffer); // print
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Using bitwise OR 0 to floor a number
...>>, work on signed 32-bit integers. So using bitwise operations will convert a float to an integer.
Does it have any advantages over doing Math.floor? Maybe it's a bit
faster? (pun not intended)
http://jsperf.com/or-vs-floor/2 seems slightly faster
Does it have any disadvantages? M...
How to securely save username/password (local)?
...encrypt a piece of data, use ProtectedData.Protect():
// Data to protect. Convert a string to a byte[] using Encoding.UTF8.GetBytes().
byte[] plaintext;
// Generate additional entropy (will be used as the Initialization vector)
byte[] entropy = new byte[20];
using(RNGCryptoServiceProvider rng = n...
How to prompt for user input and read command-line arguments [closed]
...
In Python 2.7, input() doesn't convert values to strings. So if you try to do this: input_variable1 = input ("Enter the first word or phrase: "), you will get an error: Traceback (most recent call last): return eval(raw_input(prompt)) File "<st...
Node.js vs .Net performance
...n other platforms, but on Windows IIS is the winner. Developers looking to convert their ASP.NET MVC to nodejs should pause and think twice before proceeding.
Updated (5/17/2012)
Tomcat (on windows) seems to beat IIS hands down, about 3 times faster than IIS in dishing out static html.
tomcat
ind...
How do I compare strings in Java?
...th the safe navigation operator (groovy.codehaus.org/…), ?.. That would convert nullString1?.equals(nullString2); into an entirely null statement. However, it doesn't help if you have validString?.equals(nullString); -- that still throws an exception.
– Charles Wood
...
Android: Is it possible to display video thumbnails?
...this will work.
int id = **"The Video's ID"**
ImageView iv = (ImageView ) convertView.findViewById(R.id.imagePreview);
ContentResolver crThumb = getContentResolver();
BitmapFactory.Options options=new BitmapFactory.Options();
options.inSampleSize = 1;
Bitmap curThumb = MediaStore.Video.Thumbnails.g...
Where does Scala look for implicits?
...Int) = new A(n)
}
// This becomes possible:
1 + new A(1)
// because it is converted into this:
A.fromInt(1) + new A(1)
This is available since Scala 2.9.1.
Implicit Scope of Type Arguments
This is required to make the type class pattern really work. Consider Ordering, for instance: It comes wit...
Where can I get a “useful” C++ binary search algorithm?
... T and the type after ForwardIt is dereferenced
// must be implicitly convertible to BOTH Type1 and Type2, used in Compare.
// This is stricter than lower_bound requirement (see above)
first = std::lower_bound(first, last, value, comp);
return first != last && !comp(value,...