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@RequestParam vs @PathVariable
...aram is used to extract query parameters
http://localhost:3000/api/group/test?id=4
@GetMapping("/group/test")
public ResponseEntity<?> test(@RequestParam Long id) {
System.out.println("This is test");
return ResponseEntity.ok().body(id);
}
while @PathVariable is used to extract da...
jQuery: Check if div with certain class name exists
...) index, then assume class exists.
Edit 04/10/2013: I've created a jsperf test case here.
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“Pretty” Continuous Integration for Python
...check out Nose and the Xunit output plugin. You can have it run your unit tests, and coverage checks with this command:
nosetests --with-xunit --enable-cover
That'll be helpful if you want to go the Jenkins route, or if you want to use another CI server that has support for JUnit test reporting....
Escape double quotes in parameter
In Unix I could run myscript '"test"' and I would get "test" .
5 Answers
5
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How can I pretty-print JSON in a shell script?
...me issue, try this value: 1e1000. Note that python -mjson.tool fails this test badly in that it produces Infinity, which is not even JSON.
– peak
Sep 4 '15 at 2:38
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How to write a multidimensional array to a text file?
...works fine
import numpy as np
x = np.arange(20).reshape((4,5))
np.savetxt('test.txt', x)
While the same thing would fail (with a rather uninformative error: TypeError: float argument required, not numpy.ndarray) for a 3D array:
import numpy as np
x = np.arange(200).reshape((4,5,10))
np.savetxt('tes...
Using curl to upload POST data with files
... -F "filecomment=This is an image file" \
-F "image=@/home/user1/Desktop/test.jpg" \
localhost/uploader.php
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How to check if the string is empty?
... then you should use myString == "". See the documentation on Truth Value Testing for other values that are false in Boolean contexts.
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Notepad++ add to every line
... expression option near the bottom of the dialog.
To add a word, such as test, at the beginning of each line:
Type ^ in the Find what textbox
Type test in the Replace with textbox
Place cursor in the first line of the file to ensure all lines are affected
Click Replace All button
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What's is the difference between train, validation and test set, in neural networks?
...ntinue training
Once you're finished training, then you run against your testing set and verify that the accuracy is sufficient.
Training Set: this data set is used to adjust the weights on the neural network.
Validation Set: this data set is used to minimize overfitting. You're not adjusting th...