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Change column type from string to float in Pandas
... data type you can give your datatype .what do you want like str,float,int etc.
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outline on only one border
...an image to do that (GIF/PNG) that I would then use as a background and stretch it (repeat-x) and position a little off from the top of my block.
Recently, I discovered the outline CSS property, which is great! But seems to circle the whole block...
Is it possibly to use this outline property to d...
How to have stored properties in Swift, the same way I had on Objective-C?
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Ok what to do if I want to store Int, Bool and etc?
– Vyachaslav Gerchicov
Jun 30 '17 at 13:43
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Why Qt is misusing model/view terminology?
... there is nothing wrong in defining such methods as rowCount, columnCount, etc. I think Model is some kind of wrapper for data source (no matter what is it SQL table or just an array), it provides data in standard form, and you should to define methods depends on your data source structure.
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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...ull value cannot be assigned to a primitive type, like int, long, boolean, etc. If the database column that corresponds to the field in your object can be null, then your field should be a wrapper class, like Integer, Long, Boolean, etc.
The danger is that your code will run fine if there are no nu...
How do I remove a MySQL database?
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how perform grep operation on all files in a directory
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How to implement a queue with three stacks?
...ic.
Let the elements queued into Q be numbered 1, 2, ..., based on their order of queue, with the first element that is queued into Q being defined as 1, the second one as 2, and so on.
Define
Q(0) := The state of Q when there are 0 elements in Q (and thus 0 elements in A, B and C)
Q(1) := The ...
Why is iostream::eof inside a loop condition (i.e. `while (!stream.eof())`) considered wrong?
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To summarize what is being suggested as the "proper" termination and read order is the following:
int data;
while(in >> data) { /* ... */ }
// which is equivalent to
while( !(in >> data).fail() ) { /* ... */ }
The failure due to read attempt beyond eof is taken as the terminatio...
Prepend text to beginning of string
...aterial changes of note that you made to the tests? A prepend is just the ordered half of string concatenation. Also, for jsPerf, you don't need to throw the test cases in a loop; jsPerf call each method thousands of times to get a baseline of scores. Perf tests optimize particular scenarios, and...