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Is it better practice to use String.format over string Concatenation in Java?
Is there a perceptible difference between using String.format and String concatenation in Java?
14 Answers
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How to create Android Facebook Key Hash?
...Expressions are only allowed as the first element of a pipeline. At line:1 char:184 ... Unexpected token 'sha1' in expression or statement. ... Expressions are only allowed as the first element of a pipeline. ... Unexpected token 'base64' in expression or statement. + CategoryInfo : Par...
Append a Lists Contents to another List C#
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Perhaps you meant Concat ... though that would mean a lot of copying, and is a good illustration of how not to use LINQ.
– Jim Balter
Nov 10 '18 at 20:07
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Running Python code in Vim
...n to run your script (it could be replaced with
ruby for example)
% concats the current filename, passing it as a parameter to the
python command
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Get the current time in C
... by now, but you would use the strptime function in time.h to convert from char * to struct tm
– KingRadical
Nov 5 '13 at 19:59
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What is the default value for enum variable?
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Thanks, and what about enums defined with char instead of int. e.g. enum Status { Active = 'A', Inactive='I'}
– Fernando Torres
Apr 24 '15 at 16:17
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How can I wait for set of asynchronous callback functions?
...sn't work inside .then functions for me. But you can use a .forEach and [].concat() or something similar)
Promise.all([
fetch('/user/4'),
fetch('/user/5'),
fetch('/user/6'),
fetch('/user/7'),
fetch('/user/8')
]).then(responses => {
return responses.map(response => {response.json()...
How long should SQL email fields be? [duplicate]
...l address can basically be indefinitely long so any size I impose on my varchar email address field is going to be arbitrary. However, I was wondering what the "standard" is? How long do you guys make it? (same question for Name field...)
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Default template arguments for function templates
...late <typename T> T prettify(T t) { return t; }
std::string prettify(char c) {
std::stringstream ss;
if (isprint((unsigned char)c)) {
ss << "'" << c << "'";
} else {
ss << (int)c;
}
return ss.str();
}
template <typename S, typena...
UUID max character length
... primary key for out oracle DB, and trying to determine an appropriate max character length for the VARCHAR. Apparently this is 36 characters but we have noticed UUID'S generated which are longer than this - up to 60 characters in length.
Does anyone know a suitable max char length for UUID??
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