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How to bind function arguments without binding this?
...Function.prototype.arg needs to be called on a function");
var slice = Array.prototype.slice,
args = slice.call(arguments),
fn = this,
partial = function() {
return fn.apply(this, args.concat(slice.call(arguments)));
// ^^^^
...
Determine the number of lines within a text file
...hich lazily enumerates lines rather than greedily reading them all into an array like ReadAllLines. So now you can have both efficiency and conciseness with:
var lineCount = File.ReadLines(@"C:\file.txt").Count();
Original Answer
If you're not too bothered about efficiency, you can simply writ...
Elements order in a “for (… in …)” loop
...he first non-numerical property (this is has to do with how they implement arrays). The order is the same for Object.keys as well.
This example should make it clear what happens:
var obj = {
"first":"first",
"2":"2",
"34":"34",
"1":"1",
"second":"second"
};
for (var i in obj) { console.log...
Single quotes vs. double quotes in C or C++
...a string literal containing an 'a' and a null terminator (that is a 2 char array).
In C++ the type of a character literal is char, but note that in C, the type of a character literal is int, that is sizeof 'a' is 4 in an architecture where ints are 32bit (and CHAR_BIT is 8), while sizeof(char) is 1...
What is the best way to conditionally apply a class?
Lets say you have an array that is rendered in a ul with an li for each element and a property on the controller called selectedIndex . What would be the best way to add a class to the li with the index selectedIndex in AngularJS?
...
Converting a Java collection into a Scala collection
... works, but you can also avoid using jcl.Buffer:
Set(javaApi.query(...).toArray: _*)
Note that scala.collection.immutable.Set is made available by default thanks to Predef.scala.
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How to get first character of string?
...og(str.substring(0,1));
Alternative : string[index]
A string is an array of caract. So you can get the first caract like the first cell of an array.
Return the caract at the index index of the string
var str = "Stack overflow";
console.log(str[0]);
...
How to split a string in Java
... Corner case: if it cannot find reugalr expression it returns one element array with whole string.
– klimat
May 23 '16 at 12:36
2
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Why do we need argc while there is always a null at the end of argv?
...
@BasileStarynkevitch Time of merely stepping through an array of pointer values one extra time until NULL, to get the count, is miniscule compared to time already spent generating the pointer array, and even more irrelevant compared to actually using each argument value in the pro...
Named capturing groups in JavaScript regex?
...x has named captures for the year, month and date you could run through an array of regular expressions with minimal code.
– Dewey Vozel
Jan 18 '16 at 20:33
4
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