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How can I generate random alphanumeric strings?
... you don't want that then why use RNGCSP in the first place?) Using mod to index into the chars array means that you'll get biased output unless chars.Length happens to be a divisor of 256.
– LukeH
Apr 3 '12 at 16:35
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This app won't run unless you update Google Play Services (via Bazaar)
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According to developer.android.com/google/play-services/index.html. Deveices with Android 2.2 (that is API level 8) should be sufficient as long as the devices also has GL ES version 2.
– Jarl
Dec 18 '12 at 20:45
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Why unsigned integer is not available in PostgreSQL?
...signed as a first class type. In a table with 20 million records, with and indexed field like this, you are wasting 40MB of space on unused bits. If you are abusing that across another 20 tables, you're now wasting 800MB of space.
– tpartee
Mar 18 at 21:56
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CMake使用教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
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下面网址是一个公开的dashboard：
http://www.cdash.org/CDash/index.php?project=PublicDashboard
dashboard上显示的项目名称通过如下方式设置：
需要先把cmake/bin目录加入path中，然后执行ctest -D Experimental。这里遇到了一个错误。
D:/Projects/Lab...
Why does Assert.AreEqual(T obj1, Tobj2) fail with identical byte arrays
...gth; i++)
{
Assert.AreEqual(expected[i], actual[i], "Values on index {0} are not equal. Expected {1} actual: {2}", i, expected[i], actual[i]);
}
}
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Fastest way to determine if an integer is between two integers (inclusive) with known sets of values
...inite set of values, then you could create a lookup table. Performing the indexing might be more expensive, but if you can fit the entire table in cache, then you can remove all branching from the code, which should speed things up.
For your data the lookup table would be 128^3 = 2,097,152. If yo...
What is unit testing and how do you do it? [duplicate]
... site is a good introduction to the what and the how
http://www.nunit.org/index.php?p=quickStart&r=2.5
Is everything testable? Generally if it calculates something then yes. UI code is a whole other problem to deal with though, as simulating users clicking on buttons is tricky.
What should yo...
Remove duplicate dict in list in Python
...n the rest of the initial list (this notion is only accessible through the index n, hence the use of enumerate).
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Get pandas.read_csv to read empty values as empty string instead of nan
... Documentation for read_csv now offers both na_values (list or dict indexed by columns) and keep_default_na (bool). The keep_default_na value indicates whether pandas' default NA values should be replaced or appended to. The OP's code doesn't work currently just because it's missing this flag...
Spark java.lang.OutOfMemoryError: Java heap space
... and nested case classes). If possible try to only use primitive types and index all non-primitives especially if you expect a lot of duplicates. Choose WrappedArray over nested structures whenever possible. Or even roll out your own serialisation - YOU will have the most information regarding how ...