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What's the difference between a continuation and a callback?
..., 4));
function pythagoras(x, y) {
return x * x + y * y;
}
Now if every operation (including addition, multiplication, etc.) were written in the form of functions then we would have:
console.log(pythagoras(3, 4));
function pythagoras(x, y) {
return add(square(x), square(...
The server committed a protocol violation. Section=ResponseStatusLine ERROR
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anyone know why this safety measure is imposed by IIS? It worked, but I don't understand the reason for the restriction on header values (manually setting them in my case).
– emran
Feb 19 '14 at...
How can I set the value of a DropDownList using jQuery?
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Now, this doesn't work at all because select tag doesn't have any attribute named selectedIndex. It's a property of DOM object instead. Hence code should be: $("#mydropdownlist").get(0).selectedIndex = index_here;
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Compile time string hashing
...§5.19/2/2). I did make a mistake in the termination condition, which I've now fixed (I accidentally used || where it should have been &&).
– Jerry Coffin
Jan 21 '10 at 22:17
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Visual Studio immediate window command for Clear All
...text-menu, L.
If you don't have a context-menu key on your keyboard (you know, the one between right-alt and right-ctrl), you can use shift + F10 instead.
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Get Substring - everything before certain char
... Instead of s.Substring(0, n) one can use s.Remove(n) when it is known (like here) that the length of the string s strictly exceeds n.
– Jeppe Stig Nielsen
Nov 27 '14 at 12:45
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How to map with index in Ruby?
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the call to #index means this is now an O(N^2) loop also why the +2 ? :)
– rogerdpack
Mar 13 '17 at 16:40
2
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How to format a Java string with leading zero?
...g.format("%0"+ (9 - "Apple".length() )+"d%s",0 ,"Apple").substring(0,8); . Now you wont have this exception.
– Abhinav Puri
Jan 8 '17 at 7:25
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How to get a value from a cell of a dataframe?
...as 10.1/13.1
I upgraded from 10.1 to 13.1, before iloc is not available.
Now with 13.1, iloc[0]['label'] gets a single value array rather than a scalar.
Like this:
lastprice=stock.iloc[-1]['Close']
Output:
date
2014-02-26 118.2
name:Close, dtype: float64
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Sqlite primary key on multiple columns
...LE something (
column1, column2, value, PRIMARY KEY (column1, column2));
Now this works without any warning:
sqlite> insert into something (value) VALUES ('bla-bla');
sqlite> insert into something (value) VALUES ('bla-bla');
sqlite> select * from something;
NULL|NULL|bla-bla
NULL|NULL|bl...