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get string value from HashMap depending on key name
...
Suppose you declared HashMap as :-
HashMap<Character,Integer> hs = new HashMap<>();
Then,key in map is of type Character data type and value of int type.Now,to get value corresponding to key irrespective of type of key,value type, syntax is :-
char tem...
How to convert a currency string to a double with jQuery or Javascript?
... To handle negative numbers in the string, I added a '-' to the list of chars to accept, i.e. .replace(/[^0-9-\.]+/g, "")
– tonycoupland
Nov 27 '13 at 13:28
4
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Standard deviation of a list
... would expect. I couldn't edit the post as edits need to modify at least 6 chars...
– mknaf
Jan 6 '17 at 16:00
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Efficiently convert rows to columns in sql server
...ou can use the PIVOT function to transform the data from rows to columns:
select Firstname, Amount, PostalCode, LastName, AccountNumber
from
(
select value, columnname
from yourtable
) d
pivot
(
max(value)
for columnname in (Firstname, Amount, PostalCode, LastName, AccountNumber)
) piv;
S...
Reset select2 value and show placeholder
How do I set the placeholder on value reset by select2. In my example If locations or grade select boxes are clicked and my select2 has a value than the value of select2 should reset and show the default placeholder. This script is resetting the value but won't show the placeholder
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Remove carriage return in Unix
...many shells on many terminals, ctrl-V ctrl-M will produce a literal ctrl-M character).
– tripleee
Aug 25 '14 at 10:55
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In Bash, how do I add a string after each line in a file?
... @shuhalo According to gnu sed documentation $ also acts as a special character only at the end of the regular expression. So $ regexp grabs the end of each line and s/$/appendix/ substitues the end of a line with a given string. This is my understanding.
– Azatik1000
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What do the following phrases mean in C++: zero-, default- and value-initialization?
...) {}; ~C(); int m; }; // non-POD, default-initialising m
int main()
{
char buf[sizeof(B)];
std::memset( buf, 0x5a, sizeof( buf));
// use placement new on the memset'ed buffer to make sure
// if we see a zero result it's due to an explicit
// value initialization
B* pB =...
How to assign string to bytes array
...ize of the slice and use an array instead. My answer below trims the extra chars to make sure you do not overflow the array.
– DavidG
Feb 14 '16 at 5:17
3
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Convert integer to hexadecimal and back again
...ur hex to int solution will produce SIGNED integers and maxes out at 8 hex chars.
– Scott Solmer
Mar 8 '16 at 19:24
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