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How to compare Unicode characters that “look alike”?
...tion to the former, so you can normalize the string to FormKC or FormKD to convert the micro signs to mus.
However, there are lots of sets of characters that look alike but aren't equivalent under any Unicode normalization form. For example, A (Latin), Α (Greek), and А (Cyrillic). The Unicode w...
Sending files using POST with HttpURLConnection
...s.attachmentFileName + "\"" + this.crlf);
request.writeBytes(this.crlf);
Convert Bitmap to ByteBuffer:
//I want to send only 8 bit black & white bitmaps
byte[] pixels = new byte[bitmap.getWidth() * bitmap.getHeight()];
for (int i = 0; i < bitmap.getWidth(); ++i) {
for (int j = 0; j <...
How to get a list of user accounts using the command line in MySQL?
...| root | demohost |
| root | 127.0.0.1 |
| debian-sys-maint | localhost |
| | % |
+------------------+-----------+
share
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Simplest way to read json from a URL in java
...LConnection request = url.openConnection();
request.connect();
// Convert to a JSON object to print data
JsonParser jp = new JsonParser(); //from gson
JsonElement root = jp.parse(new InputStreamReader((InputStream) request.getContent())); //Convert the input stream to a json element...
Analyze audio using Fast Fourier Transform
...Ed.. It was very helpful for me.
So that is what those numbers represent. Converting to a percentage of height could be done by scaling each frequency component magnitude by the sum of all component magnitudes. Although, that would only give you a representation of the relative frequency distributi...
What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
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The MOC (meta object compiler) converts the Q_OBJECT macro included header files in to C++ equivalent source code.
It basically controls the signal-slot mechanism, and makes it understandable to the C++ compiler
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Is it possible to set a number to NaN or infinity?
...
The numpy functions also work for numpy arrays and everything that can be converted to one (like lists, tuple, etc.)
There are also functions that explicitly check for positive and negative infinity in NumPy: numpy.isposinf and numpy.isneginf.
Pandas offers two additional functions to check for NaN...
How do I save a stream to a file in C#?
...r-complicate things with StreamReader if you already have a stream you can convert to bytes directly with .ToArray()!
Only potential downsides I can see in doing it this way is if there's a large file you have, having it as a stream and using .CopyTo() or equivalent allows FileStream to stream it...
How do I use reflection to call a generic method?
...f you know the return type of the function call then you should implicitly convert it to the required type so the rest of the code is statically typed:
string result = ProcessItem((dynamic)testObjects[i], "test" + i, i);
You'll get a runtime error if the type doesn't match.
Actually, if you try ...
C++ unordered_map using a custom class type as the key
...am getting the following error: Error 57 error C2440: 'type cast' : cannot convert from 'const Key' to 'size_t' c:\program files (x86)\microsoft visual studio 10.0\vc\include\xfunctional. I am guessing that the compiler is not finding my hash method? Should I be adding anything to my Key.h file?
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