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“Insert if not exists” statement in SQLite
...CT 1 FROM memos WHERE id = 5 AND text = 'text to insert');
If a record already contains a row where text is equal to 'text to insert' and id is equal to 5, then the insert operation will be ignored.
I don't know if this will work for your particular query, but perhaps it give you a hint on how to...
How do I run a spring boot executable jar in a Production environment?
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You always have to give your service user permissions to read and execute the jar file. You also have to configure the default Java for the server and Java environment variables to make things work.
– micaro
May 25 '19 at 11:38
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Start may not be called on a promise-style task. exception is coming
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You are getting that error because the Task class already started the task before giving it to you. You should only ever call Start on a task that you create by calling its constructor, and you shouldn't even do that unless you have a compelling reason to not start the task w...
Boolean vs tinyint(1) for boolean values in MySQL
... not the same. Minor point, but your answer tripped me up the first time I read it
– Kyle Chadha
Oct 6 '17 at 19:57
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Singleton with Arguments in Java
I was reading the Singleton article on Wikipedia and I came across this example:
20 Answers
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gitignore all files of extension in directory
...oaches should work fine.
The gitignore(5) man page states:
Patterns read from a .gitignore file in the same directory as the path, or in any parent directory, with patterns in the higher level files (up to the toplevel of the work tree) being overridden by those in lower level files down to t...
Input with display:block is not a block, why not?
...ss here, but I came here looking for the right(tm) answer, and also gladly read the part where @SpliFF specifically mentions he would prefer a "direct answer to a workaround, yet you still add another redundant (as in, repeated many times both at SO and elsewhere on the Internet) answer, seemingly i...
CA2202, how to solve this case
...oArray();
}
}
UPDATE: In the IDisposable.Dispose documentation you can read this:
If an object's Dispose method is called more than once, the object must ignore all calls after the first one. The object must not throw an exception if its Dispose method is called multiple times.
It can be a...
Find row where values for column is maximal in a pandas DataFrame
...avoid bugs with duplicated index was great ! I haven't notice that until I read your comment in the other answer. Thanks!
– tupan
Oct 7 '16 at 13:21
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What is the HTML tabindex attribute?
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@AlyssaGono you seem to have not read the answer with 85 upvotes... tabindex of -1 means that you cannot reach that element with pressing the tab button
– John Ruddell
Jan 8 '15 at 19:33
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