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Using a strategy pattern and a command pattern
...iple systems without requiring the details of a specific invocation to be known before execution.
As is typical for design patterns, they do not require all implementations to be identical in detail to bear the pattern name. Details can vary in implementation and in what data is encoded in the obj...
Convert INT to VARCHAR SQL
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Thanks. But now I got another error. When I try to do this kind of Select : SELECT CONVERT(varchar(10), field_name) FROM table_name. Or even the normal one like: SELECT field_name FROM table_name. Both are correct. I dont know why. But w...
Instance variable: self vs @
...e birthdate and then calculate age based on the difference in time between now and the birthdate -- then the code depending on the method doesn't need to change. If it used the property directly, then the change would need to propagate to other areas of the code. In this sense, using the property ...
std::shared_ptr of this
... so, you are declaring that the caller shouldn't care about the ownership. Now this can be very limiting, but also by doing so, you must make sure that the child in question won't get destroyed while any weak pointers are still held, if you would use a smart pointer, it would get sorted out by itsel...
Open a buffer as a vertical split in VIM
...ase your pain by adding the following to your .vimrc
cabbrev vb vert sb
Now you can use it in the following way.
:vb <buffer>
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Why not use Double or Float to represent currency?
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Of course if you know the precision, you can always round the result and thus avoid the whole issue. This is much faster and simpler than using BigDecimal. Another alternative is to use fixed precision int or long.
– Pe...
Track a new remote branch created on GitHub
...local master branch tracking the remote master branch of a github project. Now, a collaborator of mine has created a new branch in the same project, and I want to do the following accordingly:
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Why use @PostConstruct?
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With @PostConstruct being removed in Java 11, how can we now handle this real world example with Java 11?
– tet
Oct 30 '18 at 9:40
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Can I get a patch-compatible output from git-diff?
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Yeah, now I wonder how I found out about git apply. The thing with git diff is (I think) from using git reset -- the relationships among the repo, the index, and the working area are the issue.
– Malvolio
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Applying a git post-commit hook to all current and future repos
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@nerdherd it's now at mingw64\share\git-core\templates\hooks (gfw 2.25)
– RJFalconer
Feb 27 at 17:28
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