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What is the difference between Digest and Basic Authentication?
...n-encrypted base64 encoding.
Therefore, Basic Authentication should generally only be used where transport layer security is provided such as https.
See RFC-2617 for all the gory details.
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Using IntelliJ to amend git commit message
...at you mean?
– Stefan Rein
Jan 7 at 11:58
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SQLite - increase value by a certain number
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Sample 1 (for all rows):
UPDATE Products SET Price = Price + 50
Sample 2 (for a specific row):
UPDATE Products SET Price = Price + 50 WHERE ProductID = 1
Sample 3 (generic):
UPDATE {Table} SET {Column} = {Column} + {Value} WHERE {Co...
Ignore mouse interaction on overlay image
...rounds set that are being used as containers for other items (that you actually do want to hit-test.)
– Armentage
Feb 8 '12 at 5:22
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How do I perform the SQL Join equivalent in MongoDB?
...rect. The new $lookup operator added to the aggregation pipeline is essentially identical to a left outer join:
https://docs.mongodb.org/master/reference/operator/aggregation/lookup/#pipe._S_lookup
From the docs:
{
$lookup:
{
from: <collection to join>,
localField: <...
Analyze audio using Fast Fourier Transform
...efficients you get out will be imaginary numbers even though your input is all real values. In order to get the amount of power in each frequency, you need to calculate the magnitude of the FFT coefficient for each frequency. This is not just the real component of the coefficient, you need to calcul...
How to override to_json in Rails?
...ould be separate from the rendering of the json.
Now, anytime to_json is called on an object, as_json is invoked to create the data structure, and then that hash is encoded as a JSON string using ActiveSupport::json.encode. This happens for all types: object, numeric, date, string, etc (see the Act...
GitHub: Reopening a merged pull request
...l need to add commits to the branch and create a new pull request, copying all the details over and probably providing a link to the original pull request to manually save the history.
Might be a nice feature request for future GitHub.
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What is an EJB, and what does it do?
...are, what does it mean their instances are managed in a pool, blah blah. Really can't get a good grip of them.
4 Answers
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Declaring variables inside or outside of a loop
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The scope of local variables should always be the smallest possible.
In your example I presume str is not used outside of the while loop, otherwise you would not be asking the question, because declaring it inside the while loop would not be an option, since it would not comp...