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“INSERT IGNORE” vs “INSERT … ON DUPLICATE KEY UPDATE”

...nting MERGE was made in 2005, but there's no progress or plan as far as I know. bugs.mysql.com/bug.php?id=9018 – Bill Karwin Jul 16 '12 at 2:23 ...
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Best practice for Python assert

... assert should only be used to catch problems with no known recovery; almost always code bugs (not bad inputs). when an assert is triggered, it should mean that the program is in a state that may be dangerous to continue in, as it may start talking to the network or writing to d...
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No secret option provided to Rack::Session::Cookie warning?

...fferent way than intended. It should be ok to just ignore this warning for now until there is a final agreement on how to handle this issue and a fix in place. share | improve this answer |...
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Detect if a page has a vertical scrollbar?

...a solution that "just works" (cough). The algorithm I have come up with is now part of a plugin, jQuery.isInView, which exposes a .hasScrollbar method. Have a look at the source if you wish. In a scenario where you are in full control of the page and don't have to deal with unknown CSS, using a pl...
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Can I use view pager with views (not with fragments)

... me a lot... i extended PageAdapter instead of FragmentPageAdapter........ now its work fine..... – ranjith Sep 10 '13 at 4:39 3 ...
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Animate scroll to ID on page load

...<h2 id="title1">Some title</h2> P.S. 'smooth' parameter now works from Chrome 61 as julien_c mentioned in the comments. share | improve this answer | follo...
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?

...t model. Everything works via MVC which is great (kudos to Microsoft!) but now I want it NOT to work because I need to have data model constraints. ...
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Label encoding across multiple columns in scikit-learn

...commended way is OneHotEncoder().fit_transform(df) as the OneHotEncoder now supports string input. Applying OneHotEncoder only to certain columns is possible with the ColumnTransformer. EDIT: Since this answer is over a year ago, and generated many upvotes (including a bounty), I should probabl...
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How to get first N elements of a list in C#?

... I believe this answer is useful even now, 10 years and many C# versions later. For the specific case where you have a list. Especially if you are skipping many items. E.g. you have a list of one million items, and you want a slice of 5 of them, far into the list...
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android fragment- How to save states of views in a fragment when another fragment is pushed on top o

...dded to the backstack and another fragment (say FragB ) comes to the top. Now on hitting back FragA comes to the top and the onCreateView() is called. Now I had FragA in a particular state before FragB got pushed on top of it. ...