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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
... present and both are valid for the application logic then return a null.
More important: What do you do other places in the code? Consistency is important.
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How to delete a stash created with git stash create?
...stash , you want git stash drop or git stash drop stash@{n}. See below for more details.
You don't need to delete a stash created with git stash create. From the docs:
Create a stash entry (which is a regular commit object) and return its object name, without storing it anywhere in the ref na...
Should I index a bit field in SQL Server?
...sage.
When you ask for a set of rows, SQL uses the index to find the rows more quickly than table scanning (looking at every row).
SQL has clustered and non-clustered indexes. My understanding of clustered indexes is that they group similar index values into the same page. This way when you ask ...
What is the difference between and ?
...s an element of last resort, for when no other element is suitable. Use of more appropriate elements instead of the <div> element leads to better accessibility for readers and easier maintainability for authors.
(https://www.w3.org/TR/html/grouping-content.html#the-div-element)
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How to get git diff with full context?
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Haskell composition (.) vs F#'s pipe forward operator (|>)
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Point free is sometimes more readable than pointful, sometimes less. I generally use it in the argument to functions like map and filter, to avoid having a lambda cluttering things up. I sometimes use it in top-level functions too, but less often ...
Best way to simulate “group by” from bash?
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one more tweak for sort part: sort -nr -k1,1
– Andrzej Martyna
Dec 10 '19 at 10:19
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How to get the class of the clicked element?
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what if the element has more than one class name?
– Dharman
Oct 5 '13 at 17:52
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How do I check the operating system in Python?
... platform you are on out of "Linux", "Windows", or "Darwin" (Mac), without more precision, you should use:
>>> import platform
>>> platform.system()
'Linux' # or 'Windows'/'Darwin'
The platform.system function uses uname internally.
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Database, Table and Column Naming Conventions? [closed]
... your self which it is. If the table is just a container of rows, isn't it more logical to use plural naming? You would never name a collection in code singular, then why would you name the table singular? Why the inconsistency? I hear all the arguments about how they sort and use in joins but those...