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How to calculate time elapsed in bash script?
...ers of detail, from bash-hackers.org:
%(FORMAT)T outputs the date-time string resulting from using FORMAT
as a format string for strftime(3). The associated argument is the
number of seconds since Epoch, or -1 (current time) or -2 (shell
startup time). If no corresponding argument is suppl...
How can I print variable and string on same line in Python?
...
Use , to separate strings and variables while printing:
print "If there was a birth every 7 seconds, there would be: ",births,"births"
, in print statement separates the items by a single space:
>>> print "foo","bar","spam"
foo bar s...
How do I get the file name from a String containing the Absolute file path?
String variable contains a file name, C:\Hello\AnotherFolder\The File Name.PDF . How do I only get the file name The File Name.PDF as a String?
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Verifying that a string contains only letters in C#
I have an input string and I want to verify that it contains:
10 Answers
10
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What does the explicit keyword mean?
...cidental construction that can hide bugs.
Contrived example:
You have a MyString(int size) class with a constructor that constructs a string of the given size. You have a function print(const MyString&), and you call print(3) (when you actually intended to call print("3")). You expect it to p...
How can I hash a password in Java?
...der enc = Base64.getEncoder();
System.out.printf("salt: %s%n", enc.encodeToString(salt));
System.out.printf("hash: %s%n", enc.encodeToString(hash));
Here's a utility class that you can use for PBKDF2 password authentication:
import java.security.NoSuchAlgorithmException;
import java.security.Secu...
Stripping out non-numeric characters in string
Hey Im looking to strip out non-numeric characters in a string in ASP.NET C#
11 Answers
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Why does “split” on an empty string return a non-empty array?
Split on an empty string returns an array of size 1 :
8 Answers
8
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Converting string to byte array in C#
...e array was created like this:
byte[] bytes = Encoding.ASCII.GetBytes(someString);
You will need to turn it back into a string like this:
string someString = Encoding.ASCII.GetString(bytes);
If you can find in the code you inherited, the encoding used to create the byte array then you should b...
Get property value from string using reflection
...
public static object GetPropValue(object src, string propName)
{
return src.GetType().GetProperty(propName).GetValue(src, null);
}
Of course, you will want to add validation and whatnot, but that is the gist of it.
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