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sql query to return differences between two tables
...JOIN B ON (A.C = B.C)
WHERE A.C IS NULL OR B.C IS NULL
What you need to know in this case is, that when a record can be found in A, but not in B, than the columns which come from B will be NULL, and similarly for those, which are present in B and not in A, the columns from A will be null.
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IntelliJ: Working on multiple projects
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For those that are new to IntelliJ and don't know where the "Maven Projects" window is: top right corner.
– dustin.schultz
Mar 8 '16 at 22:55
1
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“Missing compiler required member” error being thrown multiple times with almost no changes to code
...; ``` I did Nuget Search for Microsoft.CSharp and installed that. Library now builds :) Q. Can I use this .NetStandard library in Linux app, given the Microsofct reference?
– David Jones
Aug 27 '19 at 12:10
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Error message “Forbidden You don't have permission to access / on this server” [closed]
...grp -R apache /username/ fixed the problem for me! but just like Edifice, now I can't access my home directory tree unless I chgrp back to my user. So now I need to change to my original user to pull in my changes via git. Then change back to apache to redeploy my server. Is this the only way?
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COALESCE Function in TSQL
...If "FieldName" is NULL, populate the field value with the word "EMPTY".
Now for mutliple values...
Coalesce(FieldName1, FieldName2, Value2, Value3)
If the value in Fieldname1 is null, fill it with the value in Fieldname2, if FieldName2 is NULL, fill it with Value2, etc.
This piece of test code f...
Overflow-x:hidden doesn't prevent content from overflowing in mobile browsers
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Does anyone know why this works, when specifying body{} and html{} separately doesnt?
– hamncheez
Sep 5 '17 at 19:25
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How to print a percentage value in python?
...>>> 1 / 3
0.3333333333333333
# The above 33% example would could now be written without the explicit
# float conversion:
>>> print "{0:.0f}%".format(1/3 * 100)
33%
# Or even shorter using the format mini language:
>>> print "{:.0%}".format(1/3)
33%
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How to convert an iterator to a stream?
... targetStream = StreamSupport.stream(
Spliterators.spliteratorUnknownSize(sourceIterator, Spliterator.ORDERED),
false);
An alternative which is maybe more readable is to use an Iterable - and creating an Iterable from an Iterator is very easy with lambdas because Iterable is a f...
Using Case/Switch and GetType to determine the object [duplicate]
... for making it easier to read, though. The indentation however... I don't know how you can call it 'fixing', just because it's how you like it now. I don't see any StackOverflow guidelines for how to indent code. There's a whole variety of styles in this question alone.
– Ashle...
Properly removing an Integer from a List
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I don't know about 'proper' way, but the way you suggested works just fine:
list.remove(int_parameter);
removes element at given position and
list.remove(Integer_parameter);
removes given object from the list.
It's because VM a...