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海量数据 相似度计算 simhash
Convert Unix timestamp into human readable date using MySQL
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Here's the official docs for from_unixtime: dev.mysql.com/doc/refman/5.1/en/…
– DACrosby
Mar 11 '15 at 21:36
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How to convert AAR to JAR
.... This is because I develop projects in Netbeans, which seems to be not in compliance with the AAR extension. The remark of ChuongPham seems to be related not to this answer, but to the answer of AWT, and then I agree partly with ChuongPham, i.e. simple rename from AAR to JAR is not working. However...
How do I convert a String object into a Hash object?
I have a string which looks like a hash:
13 Answers
13
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Rollback a Git merge
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From here:
http://www.christianengvall.se/undo-pushed-merge-git/
git revert -m 1 <merge commit hash>
Git revert adds a new commit that rolls back the specified commit.
Using -m 1 tells it that this is a merge and we want to roll back...
Convert int to string?
How can I convert an int datatype into a string datatype in C#?
11 Answers
11
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Remove new lines from string and replace with one empty space
Want to remove all new lines from string.
19 Answers
19
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Android Reading from an Input stream efficiently
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Is a memory leak created if a MemoryStream in .NET is not closed?
...at you should not dispose IDisposable object is HttpClient aspnetmonsters.com/2016/08/2016-08-27-httpclientwrong Just another example from BCL where there is IDisposable object and you don't need (or even shouldn't) dispose it. This is just to remember that usually there are some exceptions from ge...
How to get the last N records in mongodb?
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Look under Querying: Sorting and Natural Order, http://www.mongodb.org/display/DOCS/Sorting+and+Natural+Order
as well as sort() under Cursor Methods
http://www.mongodb.org/display/DOCS/Advanced+Queries
sh...