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John Carmack's Unusual Fast Inverse Square Root (Quake III)
... // gives initial guess y0
x = *(float*)&i; // convert bits back to float
x = x * (1.5f - xhalf * x * x); // Newton step, repeating increases accuracy
return x;
}
In spite of this, his initial attempt a mathematically 'superior' version of id's sqrt (which came ...
Converting .NET DateTime to JSON [duplicate]
...ds {
// returns the number of milliseconds since Jan 1, 1970 (useful for converting C# dates to JS dates)
public static double UnixTicks(this DateTime dt)
{
DateTime d1 = new DateTime(1970, 1, 1);
DateTime d2 = dt.ToUniversalTime();
TimeSpan ts = new TimeSpan(d2.Ticks - d1.Ticks);
...
How using try catch for exception handling is best practice
...s are.
Usually exceptions cut some operation flow and they're handled to convert them to human-understandable errors. Thus, it seems like an exception actually is a better paradigm to handle error cases and work on them to avoid an application/service complete crash and notify the user/consumer th...
Generate MD5 hash string with T-SQL
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CONVERT(VARCHAR(32), HashBytes('MD5', 'email@dot.com'), 2)
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How default .equals and .hashCode will work for my classes?
... distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the JavaTM programming language.)
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How to hash some string with sha256 in Java?
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SHA-256 isn't an "encoding" - it's a one-way hash.
You'd basically convert the string into bytes (e.g. using text.getBytes(StandardCharsets.UTF_8)) and then hash the bytes. Note that the result of the hash would also be arbitrary binary data, and if you want to represent that in a string, yo...
Get object by id()? [duplicate]
...s the hexadecimal representation of id(a), in order to use ctypes one must convert it back to decimal by using int(hexid, 0). just my two cents here
– architectonic
Mar 18 '16 at 9:07
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Convert Mercurial project to Git [duplicate]
I need to convert a mercurial project to a git project, but I would like to keep the commit history intact. My current solution was to just remove hg related files and then git init && add manually the files I needed, but that would not keep the history. Are there any solutions to this?
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Visual Studio 2013 Missing Convert To Web Application
...you want to regenerate the .designer file, by deleting it and running the 'Convert to Web Application' command over the markup file.
– julealgon
Dec 20 '13 at 14:36
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How to convert JSON to CSV format and store in a variable
...rowser, but unfortunately I have no clue how to read it. Is there a way to convert this data using JavaScript in CSV format and save it in JavaScript file?
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