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How can I rollback a github repository to a specific commit?
My github has 100 commits in it right now. I need to rollback the repository to commit 80, and remove all the subsequent ones.
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When do you use map vs flatMap in RxJava?
When do you use map vs flatMap in RxJava ?
10 Answers
10
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Why does Clojure have “keywords” in addition to “symbols”?
I have a passing knowledge of other Lisps (particularly Scheme) from way back. Recently I've been reading about Clojure . I see that it has both "symbols" and "keywords". Symbols I'm familiar with, but not with keywords.
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How do I rename a column in a database table using SQL?
If I wish to simply rename a column (not change its type or constraints, just its name) in an SQL database using SQL, how do I do that? Or is it not possible?
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Storyboard warning: prototype table cells must have reuse identifiers
I am getting this warning from storyboard - prototype table cells must have reuse identifiers.
11 Answers
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Flask-SQLAlchemy import/context issue
I want to structure my Flask app something like:
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2
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Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?
Motivation: reason why I'm considering it is that my genius project manager thinks that boost is another dependency and that it is horrible because "you depend on it"(I tried explaining the quality of boost, then gave up after some time :( ). Smaller reason why I would like to do it is that I would...
How to use ternary operator in razor (specifically on HTML attributes)?
With the WebForms view engine, I'll commonly use the ternary operator for very simple conditionals, especially within HTML attributes. For example:
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Iterate through options
I have a <select> element in HTML. This element represents a drop down list. I'm trying to understand how to iterate through the options in the <select> element via JQuery.
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How to do something before on submit? [closed]
i have a form which has a button that submits the form. I need to do something before submits happen. I tried doing onClick on that button but it happens after the submit.
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