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Script to kill all connections to a database (More than RESTRICTED_USER ROLLBACK)
...should be the most reliable way (can't vouch for it, but it is what I will test in the days to come), is actually:
- stop services that may interfere with your access (if there are any)
- use the 'kill' script above to close all connections
- set the database to single_user immediately after that
- ...
How can I convert spaces to tabs in Vim or Linux?
...] }' {} \;
It doesn't modify 4-spaces in the middle or at the end.
Was tested under Ubuntu 16.0x and Linux Mint 18
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When a 'blur' event occurs, how can I find out which element focus went *to*?
...gName||target : '';
}, 1);
}
This should work in most modern browsers (tested in Chrome, IE, and Firefox), with the caveat that Chrome does not set focus on buttons that are clicked (vs. tabbed to).
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What is meant by 'first class object'?
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Simple test. If you can do this in your language (Python as example):
def double(x):
return x*x
f = double
print f(5) #prints 25
Your language is treating functions as first class objects.
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How to determine if a decimal/double is an integer?
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+1 Agree that trying to test floats or doubles to see if they could be ints is bad due to rounding and precision errors.
– Romain Hippeau
May 2 '10 at 1:42
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Why should I use var instead of a type? [duplicate]
...epends on the context. I use it a lot more than I used to, particularly in tests. I don't use it where the type isn't obvious, but when calling constructors (for example) I would almost always use it - I find code more readable that way, particularly when you're using generic types.
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Setting Objects to Null/Nothing after use in .NET
...your optimizing. I'd personally worry about code clarity and THEN ACTUALLY TEST performance as I've personally seen a lot of people (including myself when I was younger) spend wayyyy too much time making the "perfect" algorithm, only to have it save 0.1ms in 100,000 iterations all while readability ...
How do you read CSS rule values with JavaScript?
....cssText;
}
}
return cssText;
}
alert(getStyle('.test'));
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What is the best Java library to use for HTTP POST, GET etc.? [closed]
...r most cases.
HttpForm form = new HttpForm(new URI("http://localhost:8080/test/formtest.jsp"));
//Authentication form.setCredentials("user1", "password");
form.putFieldValue("input1", "your value");
HttpResponse response = form.doPost();
assertFalse(response.hasError());
assertNotNull(response.getD...
PostgreSQL array_agg order
...ally work, however. For example:
SELECT xmlagg(x) FROM (SELECT x FROM test ORDER BY y DESC) AS tab;
So in your case you would write:
SELECT
array_to_string(array_agg(animal_name),';') animal_names,
array_to_string(array_agg(animal_type),';') animal_types
FROM (SELECT animal_name, animal_type...