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mysql update column with value from another table
...answer if you need to change tableB.value according to tableA.value dynamically you can do for example:
UPDATE tableB
INNER JOIN tableA ON tableB.name = tableA.name
SET tableB.value = IF(tableA.value > 0, tableA.value, tableB.value)
WHERE tableA.name = 'Joe'
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SQL query to find record with ID not in another table
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@PrinceJea actually it depends. See here for clarification
– John Woo
Aug 21 '12 at 7:32
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Is the 'type' attribute necessary for tags?
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@MatthieuNapoli : all browsers are required to support the <script> HTML tag, ignoring its contents if they don't support the scripting language.
– MestreLion
Jan 13 '19 at 17:38
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In C#, how to check if a TCP port is available?
In C# to use a TcpClient or generally to connect to a socket how can I first check if a certain port is free on my machine?
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Clear android application user data
... } catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (isr != null)
isr.close();
} catch (IOException e) {
e.printStackTrace();
}
mCountDownLatch.countDown();
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Definitive way to trigger keypress events with jQuery
I've read all the answers on to this questions and none of the solutions seem to work.
10 Answers
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How to overcome “datetime.datetime not JSON serializable”?
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Why did I go all my life not knowing this. :)
– Arel
May 3 '19 at 15:24
1
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makefile:4: *** missing separator. Stop
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make has a very stupid relationship with tabs. All actions of every rule are identified by tabs. And, no, four spaces don't make a tab. Only a tab makes a tab.
To check, I use the command cat -e -t -v makefile_name.
It shows the presence of tabs with ^I and line endings ...
Is it possible to style html5 audio tag?
...sted my comment because the question is about styling html5 video tag, and all the answers are more or less like yes, it is possible, using other tags.
– Fernando
May 26 '14 at 14:34
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android start activity from service
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How to programmatically remove that activity from recent screen list?
– Prashanth Debbadwar
Nov 2 '15 at 10:41
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