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C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...el：
生成的结果Excel：
5、工程源码下载：ExcelDemo.zip
1233|1234|1455|2067C++ 高速读写 EXCEL OLE COM
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...L5中的postfix rpm包不支持基于mysql认证功能，所以这里要源码编译安装postfix
从配置简单方面考虑，我们根据postfix的默认配置条件进行新建用户等，以免漏掉某些修改，导致的一些麻烦
1、建立postfix用户，并且指定UID，GID为2525，...
Learning Python from Ruby; Differences and Similarities
...ult is a list, sadly). The are numerous tools for working with iterators - zip iterates any number of iterables in parallel, enumerate gives you (index, item) (on any iterable, not just on lists), even slicing abritary (possibly large or infinite) iterables! I found that these make many many looping...
Apache Spark: map vs mapPartitions?
...mon", "salmon", "rat", "elephant"), 3)
val b = a.map(_.length)
val c = a.zip(b)
c.collect
res0: Array[(String, Int)] = Array((dog,3), (salmon,6), (salmon,6), (rat,3), (elephant,8))
mapPartitions
This is a specialized map that is called only once for each partition.
The entire content of...
Why is there “data” and “newtype” in Haskell? [duplicate]
...head normal form (WHNF) *
Used to create new data type (example: Address { zip :: String, street :: String } )
newtype - creates new “decorating” type with value constructor
Can have only one value constructor
Value constructor is strict
Value can have only one field
Affects only compilatio...
Java code To convert byte to Hexadecimal
...tually can simply extract the source code method printHexBinary from src.zip of jdk, which seems 1 time faster than 1st method.
– Fruit
Jun 11 '18 at 12:07
...
Shared-memory objects in multiprocessing
... def update_par(self, evidence):
self.pool.map(propagate, zip(range(self.N), [self.arrayHdl] * self.N, [evidence] * self.N))
def update_seq(self, evidence):
for i in range(self.N):
propagate((i, self.arrayHdl, evidence))
def getArray(sel...
How to deploy correctly when using Composer's develop / production switch?
...endency to checkout a certain commit instead of downloading that commit as ZIP (you used --prefer-source, or Composer had no other way to get that version)
if your production machine is more like a small test server (think Amazon EC2 micro instance) there is probably not even enough memory installed...
What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
...or PDF is for that amtter), nor that it can be compressed (I mean, you can ZIP it, but it doesn't contain compressed data).
– ChrisW
Jan 7 '09 at 14:01
2
...
Good examples of Not a Functor/Functor/Applicative/Monad?
...tructor that's Applicative but not a Monad, a very common example would be ZipList.
– John L
Aug 5 '12 at 23:52
23
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