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Can I multiply strings in Java to repeat sequences? [duplicate]
...lain Java with no dependencies is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this does is create an empty string containing n number of 0x00 characters, a...
How do I split a string into an array of characters? [duplicate]
I want to string.split a word into array of characters.
8 Answers
8
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Writing Unicode text to a text file?
...ltin open()) on Python 3:
import io
with io.open(filename, 'w', encoding=character_encoding) as file:
file.write(unicode_text)
It might be more convenient if you need to write the text incrementally (you don't need to call unicode_text.encode(character_encoding) multiple times). Unlike codec...
Remove not alphanumeric characters from string
...
Removing non-alphanumeric chars
The following is the/a correct regex to strip non-alphanumeric chars from an input string:
input.replace(/\W/g, '')
Note that \W is the equivalent of [^0-9a-zA-Z_] - it includes the underscore character. To also rem...
Simple way to repeat a String in java
...e is the shortest version (Java 1.5+ required):
repeated = new String(new char[n]).replace("\0", s);
Where n is the number of times you want to repeat the string and s is the string to repeat.
No imports or libraries needed.
...
How can I reliably determine the type of a variable that is declared using var at design time?
...xample, suppose you have the method body:
String x = "hello";
var y = x.ToCharArray();
var z = from foo in y where foo.
and now we need to work out that foo is of type char. We build a database that has all the metadata, extension methods, source code types, and so on. We build a database that h...
The opposite of Intersect()
...nitial, final);
// sum and return the two set.
return setA.Concat(setB);
}
}
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Python: Ignore 'Incorrect padding' error when base64 decoding
...d be corrupted.
However, as Wikipedia says, removing the padding (the '=' characters at the end of base64 encoded data) is "lossless":
From a theoretical point of view, the padding character is not needed,
since the number of missing bytes can be calculated from the number
of Base64 digits....
Malloc vs new — different padding
...n address aligned for any standard type no larger than n, and if T isn't a character type then new T[n] is only required to return an address aligned for T.
But this is only relevant when you're playing implementation-specific tricks like using the bottom few bits of a pointer to store flags, or ot...
What is the optimal length for an email address in a database?
...
The maximum length of an email address is 254 characters.
Every email address is composed of two parts. The local part that comes before the '@' sign, and the domain part that follows it. In "user@example.com", the local part is "user", and the domain part is "example.c...