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Greedy vs. Reluctant vs. Possessive Quantifiers
...-- just grab the entire string at once.
– treat your mods well
Jan 31 '17 at 14:22
@phyzome I think it is ok now?
...
What is the difference between partitioning and bucketing a table in Hive ?
...ets, it is split into 3 files each for each product_id. It internally uses modulo operator to determine in which bucket each sales_id should be stored. For example, for the product_id='P1', the sales_id=1 will be stored in 000001_0 file (ie, 1%3=1), sales_id=2 will be stored in 000002_0 file (ie, 2%...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
TLSF源码及算法介绍tlsf-two-level-segregated-fit官网地址：http: www gii upv es tlsf 官网的代码应该是主分支，github上的几个仓库更新不是那么及时。英文好的同学请直接看论文《TLSF: a New Dynamic Memory Allocator f 官网地址：http://www.gii.upv.es/...
Java 8: performance of Streams vs Collections
...JMH.
Proper benchmarks:
@OutputTimeUnit(TimeUnit.NANOSECONDS)
@BenchmarkMode(Mode.AverageTime)
@OperationsPerInvocation(StreamVsVanilla.N)
public class StreamVsVanilla {
public static final int N = 10000;
static List<Integer> sourceList = new ArrayList<>();
static {
...
Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...是worker MPM，依此类推）。再查看缺省生成的httpd.conf配置文件，里面包含如下配置段：
<IfModule prefork.c>
StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxClients 150
MaxRequestsPerChild 0
</IfModule>
prefork的工作原理是，控制进程在最...
When would anyone use a union? Is it a remnant from the C-only days?
...cal examples of why or where to use them. When would unions be useful in a modern (or even legacy) case? My only two guesses would be programming microprocessors when you have very limited space to work with, or when you're developing an API (or something similar) and you want to force the end user ...
libxml install error using pip
...hy the downvote? This is the correct answer. It says "Python.h 没有那个文件或目录" Which means "no such file or directory". The python header files are missing. Install them and it will work.
– Lennart Regebro
Mar 3 '11 at 21:59
...
Why does Unicorn need to be deployed together with Nginx?
...ocess the only static contents, combinely with the passenger or unicorn or mod_php ?
– loganathan
Jan 5 '12 at 9:20
...
Equation (expression) parser with precedence?
...>>= return . (B Div)
<|> sym "%" >>= return . (B Mod)
<|> return . (B Mul)
addop = sym "+" >>= return . (B Add)
<|> sym "-" >>= return . (B Sub)
scalar = number >>= return . toScalar
ident = literal >>...
Saving an Object (Data persistence)
...
You could use the pickle module in the standard library.
Here's an elementary application of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with ope...