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MySQL - SELECT WHERE field IN (subquery) - Extremely slow why?
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Rewrite the query into this
SELECT st1.*, st2.relevant_field FROM sometable st1
INNER JOIN sometable st2 ON (st1.relevant_field = st2.relevant_field)
GROUP BY st1.id /* list a unique sometable field here*/
HAVING COUNT(*) > 1
I think st2.relevant_...
How to show disable HTML select option in by default?
... a drop-down menu from the mysql table and hard-coded too. I have multiple select in my page, One of them is
11 Answers
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How to get enum value by string or int
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How about char? MyEnum enum = (MyEnum)myChar?
– b15
Jan 23 '17 at 22:49
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HTML entity for the middle dot
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There's actually six variants of this:
char description unicode html html entity utf-8
· Middle Dot U+00B7 · · C2 B7
• Bullet U+2022 • • ...
Select all contents of textbox when it receives focus (Vanilla JS or jQuery)
What is a Vanilla JS or jQuery solution that will select all of the contents of a textbox when the textbox receives focus?
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How can I render a list select box (dropdown) with bootstrap?
...e box that bootstrap supports to render a "regular" defacto drop down list select box? That is, where the drop down box is a list of values and if selected populate the contents of the list box?
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How to Select Every Row Where Column Value is NOT Distinct
I need to run a select statement that returns all rows where the value of a column is not distinct (e.g. EmailAddress).
7 A...
Vim search and replace selected text
Let's say we have a text, and I enter visual mode and select some text. How do I quickly do a search for the highlighted text and replace it with something else?
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Convert a list of characters into a string
If I have a list of chars:
9 Answers
9
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Is there a way to make text unselectable on an HTML page? [duplicate]
...an HTML UI with some text elements, such as tab names, which look bad when selected. Unfortunately, it's very easy for a user to double-click a tab name, which selects it by default in many browsers.
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