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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
...out success but using NULLIF conjunction with ISNULL saved me, You can try combination of these two for example: ISNULL(NULLIF([fieldValue], 0), 1)
– QMaster
Feb 20 '17 at 17:22
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Is it better practice to use String.format over string Concatenation in Java?
... localised and have the name and time tokens swapped without requiring a recompile of the executable to account for the different ordering. With argument positions you can also re-use the same argument without passing it into the function twice:
String.format("Hello %1$s, your name is %1$s and the ...
TDD vs. Unit testing [closed]
My company is fairly new to unit testing our code. I've been reading about TDD and unit testing for some time and am convinced of their value. I've attempted to convince our team that TDD is worth the effort of learning and changing our mindsets on how we program but it is a struggle. Which bring...
When to use volatile with multi threading?
...variable then many tutorials say make the variable volatile to prevent the compiler caching the variable in a register and it thus not getting updated correctly.
However two threads both accessing a shared variable is something which calls for protection via a mutex isn't it?
But in that case, betw...
Fastest way to tell if two files have the same contents in Unix/Linux?
...e data or not. I do this a for a lot of files, and in my script the diff command seems to be the performance bottleneck.
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How can I see normal print output created during pytest run?
...as usual and display it when tests pass as well as fail. See stackoverflow.com/a/59156707/369977
– pR0Ps
Apr 7 at 12:43
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Design Pattern for Undo Engine
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Most examples I've seen use a variant of the Command-Pattern for this. Every user-action that's undoable gets its own command instance with all the information to execute the action and roll it back. You can then maintain a list of all the commands that have been execut...
What's the difference between the 'ref' and 'out' keywords?
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ref tells the compiler that the object is initialized before entering the function, while out tells the compiler that the object will be initialized inside the function.
So while ref is two-ways, out is out-only.
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Best way to create custom config options for my Rails app?
... You may need YAML::ENGINE.yamler = 'syck' for this to work stackoverflow.com/a/6140900/414220
– evanrmurphy
Mar 20 '12 at 21:59
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What are the differences in die() and exit() in PHP?
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aliases allows programmers to use the one which is comfortable with. I remember exit better than die. Some others remember die better than exit.
– mauris
Nov 25 '09 at 6:35
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