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What is the difference between persist() and merge() in JPA and Hibernate?
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145
JPA specification contains a very precise description of semantics of these operations, better t...
Is explicitly closing files important?
... Peter GrahamPeter Graham
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How to read a .xlsx file using the pandas Library in iPython?
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165
I usually create a dictionary containing a DataFrame for every sheet:
xl_file = pd.ExcelFile(fi...
How can I decrease the size of Ratingbar?
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165
The original link I posted is now broken (there's a good reason why posting links only is not th...
How can bcrypt have built-in salts?
... something like this:
$2a$10$vI8aWBnW3fID.ZQ4/zo1G.q1lRps.9cGLcZEiGDMVr5yUP1KUOYTa
This is actually three fields, delimited by "$":
2a identifies the bcrypt algorithm version that was used.
10 is the cost factor; 210 iterations of the key derivation function are used (which is not enough, by...
Why is 'false' used after this simple addEventListener function?
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I dont know so much about javascript, so i am having trouble in getting this answer. I actually don't know what is useCapture? Will you plea...
multiple definition of template specialization when using different objects
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answered Dec 15 '10 at 0:51
Stuart GolodetzStuart Golodetz
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How can I recover a lost commit in Git?
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What does “Document-oriented” vs. Key-Value mean when talking about MongoDB vs Cassandra?
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156
A key-value store provides the simplest possible data model and is exactly what the name sugges...