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MySQL Conditional Insert
... try:
INSERT INTO x_table(instance, user, item)
SELECT 919191, 123, 456
FROM dual
WHERE NOT EXISTS (SELECT * FROM x_table
WHERE user = 123
AND item = 456)
In this, dual is a table with one row only (found originally...
Remove CSS class from element with JavaScript (no jQuery) [duplicate]
...
957
The right and standard way to do it is using classList. It is now widely supported in the lates...
How to install multiple python packages at once using pip
....
– Jonathan Cross
Nov 9 '17 at 14:15
Does this pip install wsgiref boto install the libraries with their dependencies...
Loop through a date range with JavaScript
...t anyway?
– tatlar
Sep 10 '14 at 17:52
For me new Date(2012, 0, 1); was picking up the incorrect day (one day before),...
jQuery trigger file input
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195
This is due to a security restriction.
I found out that the security restriction is only when t...
Why can't I overload constructors in PHP?
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edited Jun 5 '13 at 0:45
answered Feb 1 '10 at 7:15
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How can I use xargs to copy files that have spaces and quotes in their names?
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godbykgodbyk
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...
How to position text over an image in css
...lute;
color: white;
font-size: 24px;
font-weight: bold;
left: 150px;
top: 350px;
}
<div id="container">
<img id="image" src="http://www.noao.edu/image_gallery/images/d4/androa.jpg" />
<p id="text">
Hello World!
</p>
</div>
...
Missing Maven dependencies in Eclipse project
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answered Dec 6 '14 at 21:59
community wiki
Ual...
Maven: best way of linking custom external JAR to my project?
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