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Truncate number to two decimal places without rounding
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Convert the number into a string, match the number up to the second decimal place:
function calc(theform) {
var num = theform.original.value, rounded = theform.rounded
var with2Decimals = num.toString().match(/^-?\d+(?:\.\d{0,2})?/)[0]
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Common elements in two lists
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List<String> lista =new ArrayList<String>();
List<String> listb =new ArrayList<String>();
lista.add("Isabella");
lista.add("Angelina");
lista.add("Pille");
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How to convert a PIL Image into a numpy array?
Alright, I'm toying around with converting a PIL image object back and forth to a numpy array so I can do some faster pixel by pixel transformations than PIL's PixelAccess object would allow. I've figured out how to place the pixel information in a useful 3D numpy array by way of:
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Is there a splice method for strings?
...he Javascript splice only works with arrays. Is there similar method for strings? Or should I create my own custom function?
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How to tell if a JavaScript function is defined
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This isn't really a magic string, since the set of typeof values is precisely defined in the ECMA spec. Although the syntax for this is a little goofy to begin with, it's perfectly reasonable idiomatic Javascript.
– Ben Zotto
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Convert String array to ArrayList [duplicate]
I want to convert String array to ArrayList . For example String array is like:
5 Answers
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How to negate the whole regex?
...ow do I convert CamelCase into human-readable names in Java?
Regex for all strings not containing a string?
A regex to match a substring that isn’t followed by a certain other substring.
More examples
These are attempts to come up with regex solutions to toy problems as exercises; they should b...
How do I check two or more conditions in one ?
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If you are using JSP 2.0 and above It will come with the EL support:
so that you can write in plain english and use and with empty operators to write your test:
<c:if test="${(empty object_1.attribute_A) and (empty object_2.attribute_B)}">
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T-SQL query to show table definition?
...Source
{
public class ViewSource
{
public static void Main(string[] args)
{
if (args.Length != 6)
{
Console.Error.WriteLine("Syntax: ViewSource.exe <server>" +
" <user> <password> <database> ...
How to find third or nth maximum salary from salary table?
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Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SELECT EmpID, EmpName, EmpSalary,
RN = ROW_NUMBER() OVER (ORDER BY EmpSalary DESC)
FROM dbo.Salary
)
SELECT EmpID, EmpName, EmpSalary
FROM CTE
WHERE RN = @NthRow
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