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Solving a “communications link failure” with JDBC and MySQL [duplicate]
...6_SECURITY=no
use validationQuery property
use validationQuery="select now()" to make sure each query has responses
AutoReconnect
Add this code to your connection string:
&autoReconnect=true&failOverReadOnly=false&maxReconnects=10
Although non of these solutions worked for m...
keytool error :java.io.IoException:Incorrect AVA format
... ,(comma)) in a field for Name, Organization or somewhere else.
Of course if you really want some charachter can be escaped with \ sign
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is it possible to update UIButton title/text programmatically?
...
Do you have the button specified as an IBOutlet in your view controller class, and is it connected properly as an outlet in Interface Builder (ctrl drag from new referencing outlet to file owner and select your UIButton object)? That's usually the pro...
Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
...er("name");
Thing thing = thingFactory.apply(name);
// ...
}
So now you can get your bean at runtime. This is a factory pattern of course, but you can save some time on writing specific class like ThingFactory (however you will have to write custom @FunctionalInterface to pass more than t...
How do I get the information from a meta tag with JavaScript?
...mentsByTagName('meta');
for (let i = 0; i < metas.length; i++) {
if (metas[i].getAttribute('name') === metaName) {
return metas[i].getAttribute('content');
}
}
return '';
}
console.log(getMeta('video'));
...
Regex, every non-alphanumeric character except white space or colon
...
Aha! I shall modify -- I didn't know that. I expect it works differently for different engines, but might as well give the OP the safe answer.
– Luke Sneeringer
May 19 '11 at 4:51
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Convert seconds to Hour:Minute:Second
...
H represents the amount of hours in a single day. So if you have 90000 seconds and you'll use H on it the result will be 01 (first hour of a next day). NOT 25 - there are only 24 hours in a day.
– MarcinWolny
Jun 20 '13 at 10:35
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Does order of where clauses matter in SQL?
...le index for this!
In the case of SQL Server, it will likely use an index if you have:
an index on (LastName, FirstName)
an index on (FirstName, LastName)
an index on just (LastName), or just (FirstName) (or both)
On the other hand - again for SQL Server - if you use SELECT * to grab all column...
When should I choose Vector in Scala?
...eptually doing with it? If I see a function that returns an Option[A], I know that function has some holes in its domain (and is thus partial). We can apply this same logic to collections.
If I have a sequence of type List[A], I am effectively asserting two things. First, my algorithm (and data)...
Converting an int to a binary string representation in Java?
....Integer.toString(int i, int base) method, which would be more appropriate if your code might one day handle bases other than 2 (binary).
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