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Comparing two byte arrays in .NET

...able fluff into your own application's code base: // byte[] is implicitly convertible to ReadOnlySpan<byte> static bool ByteArrayCompare(ReadOnlySpan<byte> a1, ReadOnlySpan<byte> a2) { return a1.SequenceEqual(a2); } The (guts of the) implementation as of .NET Core 3.1.0 can ...
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How can I get a count of the total number of digits in a number?

... Without converting to a string you could try: Math.Ceiling(Math.Log10(n)); Correction following ysap's comment: Math.Floor(Math.Log10(n) + 1); share ...
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What is the difference between NULL, '\0' and 0?

...ion of this type, cast to type void * is a null pointer constant, which if converted to a pointer becomes a null pointer. It is guaranteed by the standard to compare unequal to any pointer to any object or function. NULL is a macro, defined in as a null pointer constant. \0 is a construction used...
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A circular reference was detected while serializing an object of type 'SubSonic.Schema .DatabaseColu

... had the same problem and solved by using Newtonsoft.Json; var list = JsonConvert.SerializeObject(model, Formatting.None, new JsonSerializerSettings() { ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore }); return Content(list, "application/json"); ...
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How to configure socket connect timeout

...IPAddress ip = IPAddress.Parse(serverIp); int iPortNo = System.Convert.ToInt16(serverPort); IPEndPoint ipEnd = new IPEndPoint(ip, iPortNo); //m_clientSocket. e.RemoteEndPoint = ipEnd; e.UserToken = m_clientSocket; e.Completed+=...
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How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?

...ame of file from camera, firstly you have to notify MediaScanner that will convert URI of your just created file from file:// to content:// in onScanCompleted(String path, Uri uri) method stackoverflow.com/a/5815005/2163045 – murt Oct 4 '17 at 9:11 ...
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What's the fastest way to read a text file line-by-line?

...faster (from the tests I did). What you need is to get the byte array and convert it to string. That's how I did it: For reading use stream.Read() You can make a loop to make it read in chunks. After appending the whole content into a byte array (use System.Buffer.BlockCopy) you'll need to conve...
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Google Authenticator implementation in Python

...def Truncate(hmac_sha1): """ Truncate represents the function that converts an HMAC-SHA-1 value into an HOTP value as defined in Section 5.3. http://tools.ietf.org/html/rfc4226#section-5.3 """ offset = int(hmac_sha1[-1], 16) binary = int(hmac_sha1[(offset * 2):((offset ...
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Short description of the scoping rules?

...on module is the __main__; all imported modules are accessible through the sys.modules variable; to get access to __main__ one can use sys.modules['__main__'], or import __main__; it is perfectly acceptable to access and assign attributes there; they will show up as variables in the global scope of ...
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Direct casting vs 'as' operator?

...have to use the straight cast - the as won't work. In the special case of converting to a string, every object has a ToString, so your third method may be okay if o isn't null and you think the ToString method might do what you want. ...