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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...UNT([uid]) will produce the warning:
Warning: Null value is eliminated by an aggregate or other SET operation.
whilst being used with a left join, where the counted object does not exist.
Using COUNT(*) in this case would also render incorrect results, as you would then be counting the total ...
What's the difference between the 'ref' and 'out' keywords?
...ating a function where I need to pass an object so that it can be modified by the function. What is the difference between:
...
vim line numbers - how to have them on by default?
...umber from within a file I'm editing but how can I have them always be on by default?
8 Answers
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LF will be replaced by CRLF in git - What is that and is it important? [duplicate]
...hat git automatically replaces LFs to CRLFs, you can turn this warning off by typing the following in the git command line
git config core.autocrlf true
If you want to make an intelligent decision how git should handle this, read the documentation
Here is a snippet
Formatting and Whitespace...
How to handle code when app is killed by swiping in android?
...p goes in background. Now if a long press the home button and kill the app by swiping it from the recent app list, none of the events like onPause() , onStop() or onDestroy() gets called rather the process is terminated. So if i want my services to stop, kill notifications and unregister listen...
Origin null is not allowed by Access-Control-Allow-Origin
...upload it I no longer get Origin null, but I am still getting "not allowed by Access-Control-Allow-Origin."
– dudledok
Dec 11 '11 at 12:15
3
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Is PHP compiled or interpreted?
...ipedia? goo.gl/YOwZ Since PHP 4, the PHP parser compiles input to produce bytecode for processing by the Zend Engine, giving improved performance over its interpreter predecessor.
– kiranvj
Jul 28 '12 at 16:17
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Are HTTP cookies port specific?
...ll the ports on that host, even though the usual "same-origin policy" used by web browsers isolates content retrieved via different ports.
And also:
8.5. Weak Confidentiality
Cookies do not provide isolation by port. If a cookie is readable by a service running on one port, the cookie i...
Error when changing to master branch: my local changes would be overwritten by checkout
...ave nothing to do with branches, problem is uncommitted changes. Checkout, by definition, have to reset your files to the state of master, but by doing so it will lose it's current contents, and since this contents aren't committed it would be impossible to return to this state later, hence an error...
What does FETCH_HEAD in Git mean?
... Alexey: FETCH_HEAD corresponds to the tip of the remote branch specified by branch.<BRANCH>.merge in the local repository configuration. So while fetch does indeed fetch all object data from the remote storage, FETCH_HEAD is used to indicate to where the remote branch tracked by the local b...