requests to an acceptable level. In the following example, we use task. Cooperator () to complete this function. Scrapy also uses the same mechanism in its Item Pipeline to limit the number of CONCURRENT_ITEMS ):
@defer.inlineCallbacksdef inline_install(customer): ... same as above # The new "problem" is that we have to manage all this concurrency to# avoid causing problems to others, but this is a nice problem to have.def twisted_developer_day(customers): print "Goodmorning from Twisted deve
appropriate DDoS programs to these platforms, which run as normal programs and wait for instructions from hackers, often using a variety of means to hide themselves from being discovered by others. In peacetime, these puppet machines are not unusual, but once the hackers connected to their control, and issued instructions, the attack on the puppet machine will become the perpetrators to attack.Some friends may ask, "Why do hackers not directly control the attack on the puppet machine, but to tu
Butterflies change, often in exchange for time.I had known her many years ago, when I just got out of Hermitage, and just started to have a college girl, one of them.On the first side I took a surprise, want to go, the most objective evaluation is still a word: ugly. Peasant girl, short, flat face collapsed nose, yellow skin, the most shocking is a mouthful of rotten teeth, a speech a smile is like in grinning. Her eyes were sincere, and I was a little overwhelmed: what advice can I give her? In
database, tuning! Performance problems, not to stare at the program, perhaps the database design is unreasonable or there is a performance problem caused, so we will analyze the database.(3) System Architecture: Why to learn the architecture of things, the same is a few pieces of wood, can be made into a solid building, may also be made of wind a blow on the chicken coop. Failure to understand the system architecture may be impossible to test and per
Combine and partition are functions, the middle step should be only shuffle!Combine is divided into map and reduce side, the function is to combine the key value pairs of the same key, can be customized.The Combine function merges the This value2 can also be called the values, because there are multiple. The purpose of this merger is to reduce network transmission.partition is the result of dividing each node of the map, and it can be customized by mapping the key to different reduce, respective
', ' bn ', ' ug ', ' ua ', ' uy ', ' uz ', ' es ', ' eh ', ' gr ', ' HK ', ' SG ', ' NC ', ' NZ ', ' Hu ', ' Sy ', ' JM ', ' am ', ' ac ', ' ye ', ' iq ', ' ir ', ' il ', ' it ', ' in ', ' id ', ' UK ', ' VG ', ' io ', ' Jo ', ' vn ', ' zm ', ' je ', ' TD ', ' GI ', ' cl ', ' CF ', ' cn ', ' yr '
);
$this->top_domain=array (' com ', ' arpa ', ' edu ', ' gov ', ' int ', ' mil ', ' net ', ' org ', ' biz ', ' info ', ' pro ', ' name ', ' museum ' , ' Coop
attitude, there is the future: personality determines fate. Have what kind of character, have what kind of life.Some people say that life has three great luck: meet a good teacher at school, work with a good master, a family to meet a good partner. Sometimes they have a sweet smile, a warm greeting, can make your life unique, radiant.The most unfortunate thing in life is: because your side lacks the positive enterprising person, lacks the foresight person, causes your life to become flat medioc
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.