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分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...个Master都提供read-write服务。这个模型是Master-Slave的加强版，数据间同步一般是通过Master间的异步完成，所以是最终一致性。 Master-Master的好处是，一台Master挂了，别的Master可以正常做读写服务，他和Master-Slave一样，当数据没有被...
Minimizing NExpectation for a custom distribution in Mathematica
...s, Log[x]]/x;
If we plot pdf2 it looks exactly as your Plot
Plot[pdf2[3.77, 1.34, -2.65, 0.40, x], {x, 0, .3}]
Now to the expected value. If I understand it correctly we have to integrate x * pdf[x] from -inf to +inf for a normal expected value.
x * pdf[x] looks like
Plot[pdf2[3.77, 1.34, ...
Natural Sort Order in C#
...AxMypxbjEyKnItMDAhKnItMDAh" +
"NSpyLTAwIe+8lSpyLTAwYSpyLe+8kFwxIS01KnIt77yQXDEhLe+8lSpyLe+8kFwxISpyLe+8kFwxITUq" +
"ci3vvJBcMSHvvJUqci3vvJBcMWEqci3vvJBcMyE1KnIwMCEqcjAwLTUqcjAwLjUqcjAwNSpyMDBhKnIw" +
"NSpyMDYqcjQqcjUqctmg2aYqctmkKnLZpSpy27Dbtipy27Qqctu1KnLfgN+GKnLfhCpy34UqcuClpuCl" +
...
Algorithm to calculate the number of divisors of a given number
...
77
Dmitriy is right that you'll want the Sieve of Atkin to generate the prime list but I don't bel...
How to get the difference between two arrays of objects in JavaScript
...:"e97339e1-939d-47ab-974c-1b68c9cfb536", display:"Ajmal"}, { value:"a63a6f77-c637-454e-abf2-dfb9b543af6c", display:"Ryan"}]
b = [{ value:"4a55eff3-1e0d-4a81-9105-3ddd7521d642", display:"Jamsheer", $$hashKey:"008"}, { value:"644838b3-604d-4899-8b78-09e4799f586f", display:"Muhammed", $$hashKey:"009"...
What is the GAC in .NET?
...DIR> ..
04/11/2009 12:20 PM <DIR> 2.0.0.0__b77a5c561934e089
0 File(s) 0 bytes
3 Dir(s) 90,538,311,680 bytes free
C:\Windows\assembly\GAC_64\System.Data>cd 2.0.0.0__b77a5c561934e089
C:\Windows\assembly\GAC_64\System.Data\...
Does Python SciPy need BLAS?
...r BLAS, LAPACK, NumPy, and SciPy.
## For GNU compiler on 32-bit systems:
#g77 -O2 -fno-second-underscore -c *.f # with g77
#gfortran -O2 -std=legacy -fno-second-underscore -c *.f # with gfortran
## OR for GNU compiler on 64-bit systems:
#g77 -O3 -m64 -fno-second-underscore -fP...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
...可以很容易对控件进行功能扩充
u 单元格的标题提示太小不能显示数据
u 可以隐藏行和列
u 行和列可以按照大小进行重排，还可以取消对行、列或两者的排序。
u 双击区分点，行或者列可以按照大小自动排序
2.2 框架介...
Appending a line to a file only if it does not already exist
...answered Jan 19 '15 at 9:22
rubo77rubo77
14.1k1818 gold badges106106 silver badges184184 bronze badges
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Remove accents/diacritics in a string in JavaScript
...\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018B\u018A\u0189\uA779\u00D0'},
{'base':'DZ','letters':'\u01F1\u01C4'},
{'base':'Dz','letters':'\u01F2\u01C5'},
{'base':'E', 'letters':'\u0045\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1...