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Select first row in each GROUP BY group?
As the title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY .
17 Answers
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Fastest method to escape HTML tags as HTML entities?
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In normal text escaped characters are rare. It's better to call replace only when needed, if you care about max speed: if (/[<>&"]/.test(str) { ... }
– Vitaly
Oct 26 '14 at 4:22
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Get selected text from a drop-down list (select box) using jQuery
How can I get the selected text (not the selected value) from a drop-down list in jQuery?
34 Answers
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How do I remove an item from a stl vector with a certain value?
..., my visual studio takes std::remove with only one argument; that is const char *_Filename. What method do I need to call?
– Victor
Aug 24 '13 at 12:28
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How to make part of the text Bold in android at runtime?
...sb.setSpan(bss, 0, 4, Spannable.SPAN_INCLUSIVE_INCLUSIVE); // make first 4 characters Bold
sb.setSpan(iss, 4, 6, Spannable.SPAN_INCLUSIVE_INCLUSIVE); // make last 2 characters Italic
etx.setText(sb);
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jquery select change event get selected option
I bound an event on the change event of my select elements with this:
9 Answers
9
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How do I perform an IF…THEN in an SQL SELECT?
How do I perform an IF...THEN in an SQL SELECT statement?
30 Answers
30
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jQuery get value of selected radio button
The problem statement is simple. I need to see if user has selected a radio button from a radio group. Every radio button in the group share same id.
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must appear in the GROUP BY clause or be used in an aggregate function
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Yes, this is a common aggregation problem. Before SQL3 (1999), the selected fields must appear in the GROUP BY clause[*].
To workaround this issue, you must calculate the aggregate in a sub-query and then join it with itself to get the additional columns you'd need to show:
SELECT m.cname...
Is there a way to make a DIV unselectable?
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I wrote a simple jQuery extension to disable selection some time back: Disabling Selection in jQuery. You can invoke it through $('.button').disableSelection();
Alternately, using CSS (cross-browser):
.button {
user-select: none;
-moz-user-select: none...