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Encrypting & Decrypting a String in C# [duplicate]

...os standard recommended 4096 iterations, Apple iOS 3 used 2000, iOS 4 used 10000, while in 2011 LastPass used 5000 iterations for JavaScript clients and 100000 iterations for server-side hashing. – Ogglas Jun 10 '16 at 10:34 ...
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...也就是把同一商品的库存值分到不同的服务器上,比如有10000个库存,可以分到10台服务器上,一台上有1000个库存。然后负载均衡。 这三种分区都有好有坏。最常用的还是第一种。数据一旦分区,你就需要有一个或是多个调度...
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Should I use a data.frame or a matrix?

...ix). And this difference is also for the reasonable (or rather small) size 10000x3. So, if your only reason to use a DF is to make it compatible with a library function such as ggplot(), you can always convert it to a DF at the last moment -- work with matrices as far as you feel convenient. If on...
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How to create a custom attribute in C#

... HireDate = new DateTime(2018, 1, 1), Salary = 10000 }; var math = new Lesson(1, "Math", DateTime.Today, master); #endregion #region exampl2 var student = new Student() { Name = "Ham...
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Java 8: performance of Streams vs Collections

...sVanilla.N) public class StreamVsVanilla { public static final int N = 10000; static List<Integer> sourceList = new ArrayList<>(); static { for (int i = 0; i < N; i++) { sourceList.add(i); } } @Benchmark public List<Double> v...
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How dangerous is it to compare floating point values?

... printf ("NO\n"); } } ebg@ebg$ gcc -o test test.c ebg@ebg$ ./test K:10000000000000000000000.0000000000000000 -> YES K: 1000000000000000000000.0000000000000000 -> YES K: 100000000000000000000.0000000000000000 -> YES K: 10000000000000000000.0000000000000000 -> YES K: 100000000...
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What are good examples of genetic algorithms/genetic programming solutions? [closed]

...with a population of genes that could turn $5000 into an average of about $10000 with no chance of death/brokeness (on the historical data, of course). Unfortunately, I never got the chance to use this system live, since my boss lost close to $100,000 in less than 3 months trading the traditional w...
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Fastest hash for non-cryptographic uses?

...add: 0.57841 1105 And the code used to generate this is: $loops = 100000; $str = "ana are mere"; echo "<pre>"; $tss = microtime(true); for($i=0; $i<$loops; $i++){ $x = crc32($str); } $tse = microtime(true); echo "\ncrc32: \t" . round($tse-$tss, 5) . " \t" . $x; $tss = ...
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SHA1 vs md5 vs SHA256: which to use for a PHP login?

...t the md5 hash. SHA512 is about 10,000 times slower. No, SHA512 is not 10000 times slower than MD5--it only takes about twice as much. Crypt/SHA512, on the other hand, is a very different beast that, like its BCrypt counterpart, performs key stretching, producing a very different hash with a ran...
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What's the difference between a temp table and table variable in SQL Server?

...000), LOBFiller varchar(max) DEFAULT REPLICATE(cast(''C'' as varchar(max)),10000) ) BEGIN TRAN InsertFirstRow SAVE TRAN InsertFirstRow COMMIT INSERT INTO $(tablename) DEFAULT VALUES BEGIN TRAN Insert9Rows SAVE TRAN Insert9Rows COMMIT INSERT INTO $(tablename) ([4CA996AC-C7E1-48B5-B48A-E721E7A43...