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Get current time in seconds since the Epoch on Linux, Bash
...
So far, all the answers use the external program date.
Since Bash 4.2, printf has a new modifier %(dateformat)T that, when used with argument -1 outputs the current date with format given by dateformat, handled by strftime(3) (man 3...
Setting HTTP headers
...x.NewRouter()
r.HandleFunc("/save", saveHandler)
http.Handle("/", &MyServer{r})
http.ListenAndServe(":8080", nil);
}
type MyServer struct {
r *mux.Router
}
func (s *MyServer) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
if origin := req.Header.Get("Origin"); orig...
Which equals operator (== vs ===) should be used in JavaScript comparisons?
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The strict equality operator (===) behaves identically to the abstract equality operator (==) except no type conversion is done, and the types must be the same to be considered equal.
Reference: Javascript Tutorial: Comparison Operators
The == operator will compare for equ...
How do I move forward and backward between commits in git?
...of the commit or a tag.
Explanation:
the command inside $() means: get all the commits between current HEAD and towards commit (excluding HEAD), and sort them in the precedence order (like in git log by default -- instead of the chronological order which is weirdly the default for rev-list), and...
Alternatives to JavaScript
...n target multiple languages so your code can be re-used in Java, C, Flash, PHP and Javascript programs. It offers type-safe and dynamic objects.
Opalang adds syntactic sugar to Javascript to provide direct database access, smart continuations, type-checking and assist with client/server separation....
How to iterate over values of an Enum having flags?
... isn't this at the top?? :) Use .Where(v => !Equals((int)(object)v, 0) && e.HasFlag(v)); if you have a zero value to represent None
– georgiosd
May 23 '17 at 18:32
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How to convert NSDate into unix timestamp iphone sdk?
...t? Can I use it in my calculations later? I have one UNIX timestamp from a PHP database online and then this one. I want to compare the two in order to make a decision to download the latest data about an object.
– JeroenEijkhof
May 29 '11 at 23:22
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I'm getting Key error in python
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Argh... horrible, horrible unpythonic code. Don't write PHP code in Python: it's not an array, it's a dictionary (you may call it a hash, but array is right out). And: dicts already have your "keyCheck" function: instead of "keyCheck('key1', myarray, '#default')" you'd do "mydic...
Change Active Menu Item on Page Scroll?
...by binding to the scroll event of the container (usually window).
Quick example:
// Cache selectors
var topMenu = $("#top-menu"),
topMenuHeight = topMenu.outerHeight()+15,
// All list items
menuItems = topMenu.find("a"),
// Anchors corresponding to menu items
scrollItems = menu...
The new syntax “= default” in C++11
...h copy/move constructors and destructors. An empty copy constructor, for example, will not do the same as a defaulted copy constructor (which will perform member-wise copy of its members). Using the = default (or = delete) syntax uniformly for each of these special member functions makes your code e...