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Convert a JSON string to object in Java ME?
Is there a way in Java/J2ME to convert a string, such as:
14 Answers
14
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Move branch pointer to different commit without checkout
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You can do it for arbitrary refs. This is how to move a branch pointer:
git update-ref -m "reset: Reset <branch> to <new commit>" refs/heads/<branch> <commit>
where -m adds a message to the reflog for the branch.
The general form is
git...
SQL JOIN vs IN performance?
...ifferent results.
SELECT a.*
FROM a
JOIN b
ON a.col = b.col
is not the same as
SELECT a.*
FROM a
WHERE col IN
(
SELECT col
FROM b
)
, unless b.col is unique.
However, this is the synonym for the first query:
SELECT a.*
FROM a
JOIN ...
Retrieving Android API version programmatically
Is there any way to get the API version that the phone is currently running?
11 Answers
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Why doesn't Java offer operator overloading?
Coming from C++ to Java, the obvious unanswered question is why didn't Java include operator overloading?
16 Answers
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UTF-8, UTF-16, and UTF-32
... a block of text, because UTF-8 encodes these into 8 bits (like ASCII). It is also advantageous in that a UTF-8 file containing only ASCII characters has the same encoding as an ASCII file.
UTF-16 is better where ASCII is not predominant, since it uses 2 bytes per character, primarily. UTF-8 will s...
What is git actually doing when it says it is “resolving deltas”?
...ing the first clone of a repository, git first receives the objects (which is obvious enough), and then spends about the same amount of time "resolving deltas". What's actually happening during this phase of the clone?
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jquery's append not working with svg element?
Assuming this:
14 Answers
14
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What's the difference between “mod” and “remainder”?
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There is a difference between modulus and remainder. For example:
-21 mod 4 is 3 because -21 + 4 x 6 is 3.
But -21 divided by 4 gives -5 with a remainder of -1.
For positive values, there is no difference.
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Numpy argsort - what is it doing?
Why is numpy giving this result:
9 Answers
9
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