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What's the difference between => , ()=>, and Unit=>
...s function:
def f(x: => Int) = x * x
If I call it like this
var y = 0
f { y += 1; y }
Then the code will execute like this
{ y += 1; y } * { y += 1; y }
Though that raises the point of what happens if there's a identifier name clash. In traditional call-by-name, a mechanism called captur...
What is this: [Ljava.lang.Object;?
...list. Here are some examples:
// xxxxx varies
System.out.println(new int[0][0][7]); // [[[I@xxxxx
System.out.println(new String[4][2]); // [[Ljava.lang.String;@xxxxx
System.out.println(new boolean[256]); // [Z@xxxxx
The reason why the toString() method on arrays returns String in this format is ...
SQL query to group by day
...
if you're using SQL Server,
dateadd(DAY,0, datediff(day,0, created)) will return the day created
for example, if the sale created on '2009-11-02 06:12:55.000',
dateadd(DAY,0, datediff(day,0, created)) return '2009-11-02 00:00:00.000'
select sum(amount) as total, ...
Django “login() takes exactly 1 argument (2 given)” error
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answered Jul 15 '09 at 22:32
sthsth
190k4848 gold badges258258 silver badges349349 bronze badges
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What Regex would capture everything from ' mark to the end of a line?
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answered May 6 '09 at 17:59
Joshua BeldenJoshua Belden
8,86755 gold badges3232 silver badges5151 bronze badges
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Omitting the first line from any Linux command output
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answered Sep 6 '11 at 10:37
Fredrik PihlFredrik Pihl
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Can I serve multiple clients using just Flask app.run() as standalone?
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305
flask.Flask.run accepts additional keyword arguments (**options) that it forwards to werkzeug.s...
Splitting on last delimiter in Python string?
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edited Feb 19 '18 at 16:03
answered Feb 21 '13 at 21:06
M...
How to override Backbone.sync?
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edited Oct 20 '15 at 22:29
Yura
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answered Feb 23 ...
How to indicate param is optional using inline JSDoc?
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answered Apr 4 '15 at 0:39
czernyczerny
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