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Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...t;>> df = pd.DataFrame({'A': [a], 'B': [b]})
>>> df
A B
0 2 3
or use scalar values and pass an index:
>>> df = pd.DataFrame({'A': a, 'B': b}, index=[0])
>>> df
A B
0 2 3
share...
Get mouse wheel events in jQuery?
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JasCav
33.2k1919 gold badges101101 silver badges159159 bronze badges
answered Nov 18 '11 at 22:19
Darin DimitrovDarin Dimitrov
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Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
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Jeff Tian
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answered Apr 29 '11 at 20:54
MarkRMarkR
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How to design a product table for many kinds of product where each product has many parameters
...is overkill. Class Table Inheritance would be my first choice.
Update 2019: The more I see people using JSON as a solution for the "many custom attributes" problem, the less I like that solution. It makes queries too complex, even when using special JSON functions to support them. It takes a lot...
Fixed page header overlaps in-page anchors
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170
I had the same problem.
I solved it by adding a class to the anchor element with the topbar heig...
Why aren't variables declared in “try” in scope in “catch” or “finally”?
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Timo Tijhof
9,29666 gold badges3030 silver badges4444 bronze badges
answered Sep 18 '08 at 18:01
John ChristensenJohn Christensen
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How do I calculate the date in JavaScript three months prior to today?
... works for January. Run this snippet:
var d = new Date("January 14, 2012");
console.log(d.toLocaleDateString());
d.setMonth(d.getMonth() - 3);
console.log(d.toLocaleDateString());
There are some caveats...
A month is a curious thing. How do you define 1 month? 30 days? Most peo...
How do you add a Dictionary of items into another Dictionary
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shucaoshucao
2,08611 gold badge1111 silver badges77 bronze badges
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Why does git perform fast-forward merges by default?
...itched to branch 'develop'
$ git merge --no-ff myfeature
Updating ea1b82a..05e9557
(Summary of changes)
$ git branch -d myfeature
Deleted branch myfeature (was 05e9557).
$ git push origin develop
The --no-ff flag causes the merge to always create a new commit object, even if the merge could be ...
Why does my application spend 24% of its life doing a null check?
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180
The tree is massive
By far the most expensive thing a processor ever does is not executing ...