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JPA or JDBC, how are they different?
... standard for connecting to a DB directly and running SQL against it - e.g SELECT * FROM USERS, etc. Data sets can be returned which you can handle in your app, and you can do all the usual things like INSERT, DELETE, run stored procedures, etc. It is one of the underlying technologies behind most...
How does git store files?
...r-file history, when it wants to do delta compression, it takes each blob, selects some blobs that are likely to be similar (using heuristics that includes the closest approximation of previous version and some others), tries to generate the deltas and picks the smallest one. This way it can (often,...
How can I change my Cygwin home folder after installation?
...nced >> Environment Variables >> User Variables for >> [select variable HOME] >> edit
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How to use sed to replace only the first occurrence in a file?
... then only looked for starting on the next line. Therefore, both lines are selected in this case, and the s/foo/bar/ substitution is performed on both of them.
sed '1,/foo/ s//bar/' <<<$'1foo\n2foo\n3foo' fails: with sed: first RE may not be empty (BSD/macOS) and sed: -e expression #1, char...
Initialization of an ArrayList in one line
...matically do for you.
For example in IntelliJ IDEA you press Alt+Enter and select Static import method....
However, i don't recommend shortening the List.of method to of, because that becomes confusing.
List.of is already short enough and reads well.
Using Streams
Why does it have to be a List?
Wi...
user authentication libraries for node.js?
...
Among all auth packages for node I selected passport. It's well-documented and easy to use, and supports more strategies.
– tech-man
May 14 '12 at 4:16
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What is the best way to remove a table row with jQuery?
.../tr>
If you don't have an id, you can use any of jQuery's plethora of selectors.
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What are the differences between numpy arrays and matrices? Which one should I use?
...nces between matrix objects and ndarrays
(having to do with np.ravel, item selection and sequence behavior).
The main advantage of numpy arrays is that they are more general than
2-dimensional matrices. What happens when you want a 3-dimensional array? Then
you have to use an ndarray, not a matrix ...
Is there more to an interface than having the correct methods
...
How did this get selected as the answer? It's a brief description of why polymorphism is useful, but as the poster above said, I would expect a better explanation of multiple interfaces and even more importantly when it is appropriate to use ...
How do I get a background location update every n minutes in my iOS application?
...following:
Go to Project -> Capabilities -> Background Modes -> select Location updates
Go to Project -> Info -> add a key NSLocationAlwaysUsageDescription with empty value (or optionally any text)
To make location working when your app is in the background and send coordinates to w...