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How can I check if a string represents an int, without using try/except?
Is there any way to tell whether a string represents an integer (e.g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
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How can I remove a style added with .css() function?
I'm changing CSS with jQuery and I wish to remove the styling I'm adding based on the input value:
21 Answers
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Run JavaScript code on window close or page refresh?
Is there a way to run a final JavaScript code when a user closes a browser window or refreshes the page?
8 Answers
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IF statement: how to leave cell blank if condition is false (“” does not work)
I would like to write an IF statement, where the cell is left blank if the condition is FALSE.
Note that, if the following formula is entered in C1 ( for which the condition is false ) for example:
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What uses are there for “placement new”?
Has anyone here ever used C++'s "placement new"? If so, what for? It looks to me like it would only be useful on memory-mapped hardware.
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What do the python file extensions, .pyc .pyd .pyo stand for?
What do these python file extensions mean?
2 Answers
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Why is Scala's immutable Set not covariant in its type?
EDIT : Re-written this question based on original answer
3 Answers
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Entity Framework rollback and remove bad migration
I'm using EF 6.0 for my project in C# with manual migrations and updates. I have about 5 migrations on the database, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database,...
What's the best way to learn LISP? [closed]
I have been programming in Python, PHP, Java and C for a couple or years now, and I just finished reading Hackers and Painters, so I would love to give LISP a try!
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rejected master -> master (non-fast-forward)
I'm trying to push my project (all files in a new repository). I follow the steps but when I push with git push -u origin master I get this error:
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