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Mysql order by specific ID values
...from products
order by case when id=5 then -1 else id end
If you need to start with a sequence of multiple ids, specify a collection, similar to what you would use with an IN statement.
select id,name
from products
order by case when id in (30,20,10) then -1 else id end,id
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PHP global in functions
...s less of an issue when it's classes from the same namespace, but when you start mix from different namespaces, you are creating a tangled mess.
Reuse is severly hampered by all of the above. So is unit-testing.
Also, your function signatures are lying when you couple to the global scope
function...
How do you clear the SQL Server transaction log?
...ot enough. You need to cause the currently active VLF to cycle back to the start of the log file. You can force this in SQL 2008 and newer by issuing two log backups or checkpoints back-to-back. The first one clears it and the second one cycles it back to the start of the file.
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What can I use for good quality code coverage for C#/.NET? [closed]
...ce is prominently displayed in the summary of results in the question that started this thread.
– Ira Baxter
Oct 30 '12 at 13:51
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What is the difference between a HashMap and a TreeMap? [duplicate]
I started learning Java. When would I use a HashMap over a TreeMap?
8 Answers
8
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SQL query return data from multiple tables
... can say is to try it) as it is much easier to understand when the queries start getting more complex. Why use it? Is there a performance gain? The short answer is no, but it is easier to read once you get used to it. It is easier to read queries written by other folks using this syntax.
I am also ...
Why use def main()? [duplicate]
...ite a main() function and call it inside an if statement.
I myself usually start writing small throwaway scripts without any kind of function. If the script grows big enough, or if I feel putting all that code inside a function will benefit me, then I refactor the code and do it. This also happens w...
PHP Get all subdirectories of a given directory
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This ignores directories starting with a dot, ie. ".config"
– blade
Apr 5 at 10:26
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Show diff between commits
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I am starting to trust gitk a little less because it is showing a different commiter Author than the actual one.
– Ciasto piekarz
Feb 9 '18 at 3:12
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How do I make a branch point at a specific commit? [duplicate]
... this.
Scenario
Develop on the wrong branch and hence need to reset it.
Start Okay
Cleanly develop and release some software.
Develop on wrong branch
Mistake: Accidentally stay on the release branch while developing further.
Realize the mistake
"OH NO! I accidentally developed on the rel...