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What's the difference between RANK() and DENSE_RANK() functions in oracle?
...s a simple test script you can play with to see what happens:
with q as (
select 10 deptno, 'rrr' empname, 10000.00 sal from dual union all
select 11, 'nnn', 20000.00 from dual union all
select 11, 'mmm', 5000.00 from dual union all
select 12, 'kkk', 30000 from dual union all
select 10, 'fff', 4000...
How to style the option of an html “select” element?
...ed via CSS.
There are replacement plug-ins/libraries that look like a <select> but are actually composed of regular HTML elements that CAN be styled.
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Rails select helper - Default selected value, how?
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This should do it:
<%= f.select :project_id, @project_select, :selected => params[:pid] %>
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SET versus SELECT when assigning variables?
What are the differences between the SET and SELECT statements when assigning variables in T-SQL?
4 Answers
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What is the difference D3 datum vs. data?
...rs here on SO are not complete as they only cover the case when you invoke selection.data and selection.datum with an input data parameter. Even in that scenario, the two behave differently if the selection is a single element versus when it contains multiple elements. Moreover, both of these method...
jQuery select2 get value of select tag?
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$("#first").val(); // this will give you value of selected element. i.e. 1,2,3.
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Why does Math.Round(2.5) return 2 instead of 3?
...ng)
Java Math.Round rounds away from zero (it floors the result, adds 0.5, casts to an integer). There's an alternative in BigDecimal
Perl uses a similar way to C
Javascript is the same as Java's Math.Round.
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What is the result of % in Python?
...erator, so watch out if you are coming from a language with automatic type casting (like PHP or JS) where an expression like '12' % 2 + 3 is legal: in Python it will result in TypeError: not all arguments converted during string formatting which probably will be pretty confusing for you.
[update for...
React JSX: selecting “selected” on selected option
In a React component for a <select> menu, I need to set the selected attribute on the option that reflects the application state.
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How to set selected value on select using selectpicker plugin from bootstrap
I'm using the Bootstrap-Select plugin like this:
18 Answers
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