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select * vs select column
If I just need 2/3 columns and I query SELECT * instead of providing those columns in select query, is there any performance degradation regarding more/less I/O or memory?
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How to discard local commits in Git?
... worked. Discarded all local commits and reset to HEAD. Whats the use of ^ char?
– karim
Nov 22 '19 at 13:58
@karim th...
How to solve the error LNK2019: unresolved external symbol - function?
...me so I thought I might share my solution, as simple as it was:
Check the Character Set of both projects in Configuration Properties -> General -> Character Set
My UnitTest project was using the default Character Set Multi-Byte while my libs where in Unicode.
My function was using a TCHAR as...
Concrete Javascript Regex for Accented Characters (Diacritics)
I've looked on Stack Overflow ( replacing characters.. eh , how JavaScript doesn't follow the Unicode standard concerning RegExp , etc.) and haven't really found a concrete answer to the question:
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jQuery get value of select onChange
I was under the impression that I could get the value of a select input by doing this $(this).val(); and applying the onchange parameter to the select field.
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Easy way to turn JavaScript array into comma-separated list?
...ut I need to concatenate list of IDs, no chance of commas or other special chars
– davewilliams459
Feb 8 '12 at 15:37
11
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Prevent text selection after double click
...lick event on a span in my web app. A side-effect is that the double click selects text on the page. How can I prevent this selection from happening?
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jquery input select all on focus
I'm using this code to try and select all of the text in the field when a user focuses on the field. What happens is, it selects all for a second, then its unselected and the typing cursor is left where I clicked...
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How to find third or nth maximum salary from salary table?
...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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jQuery to retrieve and set selected option value of html select element
I am attempting to retrieve and set the selected value of a select element (drop down list) with jQuery.
9 Answers
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