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Convert UTC Epoch to local date
I have been fighting with this for a bit now. I’m trying to convert epoch to a date object. The epoch is sent to me in UTC. Whenever you pass new Date() an epoch, it assumes it’s local epoch. I tried creating a UTC object, then using setTime() to adjust it to the proper epoch, but the only m...
Python concatenate text files
...people who learn about fileinput are told that it's a way to turn a simple sys.argv (or what's left as args after optparse/etc.) into a big virtual file for trivial scripts, and don't think to use it for anything else (i.e., when the list isn't command-line args). Or they do learn, but then forget...
How to convert date to timestamp?
I want to convert date to timestamp, my input is 26-02-2012 . I used
13 Answers
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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...
How should strace be used?
...d out how a program is interacting with the OS. It does this by monitoring system calls and signals.
Uses
Good for when you don't have source code or don't want to be bothered to really go through it.
Also, useful for your own code if you don't feel like opening up GDB, but are just interested in u...
How can I convert uppercase letters to lowercase in Notepad++
...ft+U
should do the trick!
Edit: Ctrl+U is the shortcut to be used to convert capital letters to lowercase (reverse scenario)
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Converting String To Float in C#
I am converting a string like "41.00027357629127", and I am using;
7 Answers
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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);
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Convert string to symbol-able in ruby
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A good way to approach converting anything is to be able to do and undo an operation. .to_sym can convert one direction (from string to symbol), and .to_s can convert (from symbol to string). and if you are dealing with an array consider .map(&...
How can I convert spaces to tabs in Vim or Linux?
I've looked over several questions on Stack Overflow for how to convert spaces to tabs without finding what I need. There seem to be more questions about how to convert tabs to spaces, but I'm trying to do the opposite.
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