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Best way to parse command-line parameters? [closed]
...rgs: Array[String]) {
if (args.length == 0) println(usage)
val arglist = args.toList
type OptionMap = Map[Symbol, Any]
def nextOption(map : OptionMap, list: List[String]) : OptionMap = {
def isSwitch(s : String) = (s(0) == '-')
list match {
case Nil => map
...
How can I use interface as a C# generic type constraint?
Is there a way to get the following function declaration?
11 Answers
11
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Why is argc not a constant?
...
In this case, history is a factor. C defined these inputs as "not constant", and compatibility with (a good portion of) existing C code was an early goal of C++.
Some UNIX APIs, such as getopt, actually do manipulate argv[], so ...
Are HTML comments inside script tags a best practice? [closed]
The following practice is fairly commonplace in the inline JavaScript I have to work with:
10 Answers
...
What is in your .vimrc? [closed]
...-)
"{{{Auto Commands
" Automatically cd into the directory that the file is in
autocmd BufEnter * execute "chdir ".escape(expand("%:p:h"), ' ')
" Remove any trailing whitespace that is in the file
autocmd BufRead,BufWrite * if ! &bin | silent! %s/\s\+$//ge | endif
" Restore cursor position t...
How can I get the SQL of a PreparedStatement?
...
Using prepared statements, there is no "SQL query" :
You have a statement, containing placeholders
it is sent to the DB server
and prepared there
which means the SQL statement is "analysed", parsed, some data-structure representing it is prepared in memo...
Updating packages in Emacs
I have the following setup for packages (not sure if there is a better recommended one):
4 Answers
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How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...
The best way is to check the type, because undefined/null/false are a tricky thing in JS.
So:
if(typeof obj !== "undefined") {
// obj is a valid variable, do something here.
}
Note that typeof always returns a string, and doesn't g...
How can I parse a CSV string with JavaScript, which contains comma in data?
...
Disclaimer
2014-12-01 Update: The answer below works only for one very specific format of CSV. As correctly pointed out by DG in the comments, this solution does not fit the RFC 4180 definition of CSV and it also does not fit ...
Difference between setTimeout with and without quotes and parentheses
...rence to a function as the first argument for setTimeout or setInterval. This reference may be in the form of:
An anonymous function
setTimeout(function(){/* Look mah! No name! */},2000);
A name of an existing function
function foo(){...}
setTimeout(foo, 2000);
A variable that points to an e...