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MongoDB数据导出导入工具:mongoexport,mongoimport - 大数据 & AI - 清泛...

...1, "name" : "paul", "age" : 22 } { "_id" : ObjectId("503266029355c632cd118ae0"), "classid" : 2, "name" : "shane", "age" : 24 } 说明已经导入成功 。MongoDB 数据导出 数据导入 mongoexport mongoimport
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [dupli

...answered Dec 1 '08 at 20:32 Michael Myers♦Michael Myers 173k4040 gold badges273273 silver badges288288 bronze badges ...
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Passing variables through handlebars partial

...ps://github.com/wycats/handlebars.js/blob/ce74c36118ffed1779889d97e6a2a1028ae61510/spec/qunit_spec.js#L456-L462 https://github.com/wycats/handlebars.js/blob/e290ec24f131f89ddf2c6aeb707a4884d41c3c6d/spec/partials.js#L26-L32 s...
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Python: Append item to list N times

...ted Jun 21 '13 at 22:53 Zero Piraeus 43k2222 gold badges125125 silver badges142142 bronze badges answered Jan 11 '11 at 5:15 ...
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Generating a random & unique 8 character string using MySQL

...do-random transformation would be fine: Hash has been suggested by @paul AES-encrypt fits also But there is a nice one: RAND(N) itself! A sequence of random numbers created by the same seed is guaranteed to be reproducible different for the first 8 iterations if the seed is an INT32 So we ...
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Finding all possible permutations of a given string in python

...mple better though with the graphic example ;) – CTS_AE May 18 at 12:06 add a comment ...
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Superscript in markdown (Github flavored)?

...answered Mar 1 '13 at 11:25 Michael WildMichael Wild 20.4k33 gold badges3636 silver badges3939 bronze badges ...
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When is CRC more appropriate to use than MD5/SHA1?

...s, maybe 12 microseconds. That has hardware assist. Even hardware assisted AES would be several hundred times slower. Unassisted lookup table CRC should still come in around 50 microseconds. – ilgitano Aug 15 '18 at 5:48 ...
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Colored logcat in android studio by colorpid

... Here are the colors from the middle screenshot: assert #AE92B0 error #F8837F warn #C6C246 info #759769 debug #8FB8D0 – Defuera Apr 9 '15 at 20:09 ...
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namespaces for enum types - best practices

... typedef enum { Undetermined, None, AES } Type; }; struct File { typedef enum { Unknown = 0, MCS, MEM, BIN, HEX } Type; }; ... class Worker { File::Type file...