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SQL Query to concatenate column values from multiple rows in Oracle
..., which works on versions prior to 11.2. Because WM_CONCAT is undocumented and unsupported by Oracle, it's recommended not to use it in production system.
With XMLAGG you can do the following:
SELECT XMLAGG(XMLELEMENT(E,ename||',')).EXTRACT('//text()') "Result"
FROM employee_names
What this doe...
Spring 3 RequestMapping: Get path value
...
Non-matched part of the URL is exposed as a request attribute named HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE:
@RequestMapping("/{id}/**")
public void foo(@PathVariable("id") int id, HttpServletRequest request) {
String restOfTheUrl = (String) request.getAttribute(
Hand...
Str_replace for multiple items
... answer in would make it complete for the people who don't read the manual and don't realise str_split returns an array.
– Bradmage
Dec 31 '15 at 23:13
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Imitating a blink tag with CSS3 animations
..., it's much simpier. You can add webkit prefix to get it working in Chrome and Safari.
– m93a
Apr 15 '13 at 18:31
2
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How can I remove the string “\n” from within a Ruby string?
...quote marks behave differently.
Double quotes " allow character expansion and expression interpolation ie. they let you use escaped control chars like \n to represent their true value, in this case, newline, and allow the use of #{expression} so you can weave variables and, well, pretty much any ru...
What is so special about Generic.xaml?
...trying to figure out how to organize my ResourceDictionary files for reuse and sharing with other members of my team.
2 Ans...
ListView item background via custom selector
...
I've been frustrated by this myself and finally solved it. As Romain Guy hinted to, there's another state, "android:state_selected", that you must use. Use a state drawable for the background of your list item, and use a different state drawable for listSelecto...
Setting Vim whitespace preferences by filetype
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there are many ways, but here's a simple, easy to understand way. add these lines to your ~/.vimrc:
autocmd FileType html setlocal ts=2 sts=2 sw=2
autocmd FileType ruby setlocal ts=2 sts=2 sw=2
autocmd FileType javascript setlocal ts=4 sts=4 sw=4
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Efficient list of unique strings C#
...g a dictionary may be best inserting strings by writing dict[str] = false; and enumerating through the keys as a list. Is that a good solution?
...
In a bootstrap responsive page how to center a div
... </div>
</div>
It's a simple example of a horizontally and vertically div centered in all screen sizes.
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