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What is the difference between JOIN and JOIN FETCH when using JPA and Hibernate
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Understanding MongoDB BSON Document size limit
...warnings about performance, see this comment for a well reasoned argument:
https://jira.mongodb.org/browse/SERVER-431?focusedCommentId=22283&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-22283
My take, the lead developers are stubborn about this issue because the...
Python how to write to a binary file?
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Measuring execution time of a function in C++
...in which he explains why.
Also there is a very good library from google - https://github.com/google/benchmark.
This library is very simple to use and powerful. You can checkout some lectures of Chandler Carruth on youtube where he is using this library in practice. For example CppCon 2017: Chandler...
When is JavaScript's eval() not evil?
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Well, use HTTPS, then. OTOH: man-in-the-middle is not the typical attack scenario for the garden variety web app, whereas i.e. cross-site-scripting is.
– Tomalak
Dec 15 '09 at 18:50
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What does -1 mean in numpy reshape?
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numpy.reshape(a,newshape,order{})
check the below link for more info.
https://docs.scipy.org/doc/numpy/reference/generated/numpy.reshape.html
for the below example you mentioned the output explains the resultant vector to be a single row.(-1) indicates the number of rows to be 1.
if the
a = ...
Transitioning from Windows Forms to WPF
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Elevating process privilege programmatically?
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Can JavaScript connect with MySQL?
...er-side, as with Node.js.
Node.js can access MySQL through something like https://github.com/sidorares/node-mysql2
You might also develop something using Socket.IO
Did you mean to ask whether a client-side JS app can access MySQL? I am not sure if such libraries exist, but they are possible.
EDI...
Does pandas iterrows have performance issues?
...s itertuples() is faster than iterrows().
you can refer the documentation: https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.iterrows.html
"To preserve dtypes while iterating over the rows, it is better to use itertuples() which returns namedtuples of the values and which ...