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淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...计算层的主要组成部分。在“云梯”上，我们每天有大约40000个作业对1.5PB的原始数据按照产品需求进行不同的MapReduce计算。这一计算过程通常都能在凌晨两点之前完成。相对于前端产品看到的数据，这里的计算结果很可能是一...
In Bash, how to add “Are you sure [Y/n]” to any command or alias?
...iables containing strings (e.g.: prefer to use "$@" instead $@).
Or, Bash 4.x:
read -r -p "Are you sure? [y/N] " response
response=${response,,} # tolower
if [[ "$response" =~ ^(yes|y)$ ]]
...
Edit:
In response to your edit, here's how you'd create and use a confirm command based on the firs...
Override body style for content in an iframe
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Louis
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answered Jun 27 '11 at 16:18
DA.DA.
35.5k4...
How to enumerate an object's properties in Python?
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Georg SchöllyGeorg Schölly
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Importing two classes with same name. How to handle?
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154
You can omit the import statements and refer to them using the entire path. Eg:
java.util.Date ...
What can be the reasons of connection refused errors?
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Remy Lebeau
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answered Feb 25 '10 at 11:02
a'ra'r
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MySQL error code: 1175 during UPDATE in MySQL Workbench
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HabibillahHabibillah
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How should I log while using multiprocessing in Python?
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answered Mar 13 '09 at 4:39
vladrvladr
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Python Create unix timestamp five minutes in the future
... |
edited Apr 29 '14 at 15:25
community wiki
...
Python SQL query string formatting
...on.org/), which could be qualified a somewhere between Option 2 and Option 4
Code Sample:
sql = ("SELECT field1, field2, field3, field4 "
"FROM table "
"WHERE condition1=1 "
"AND condition2=2;")
Works as well with f-strings:
fields = "field1, field2, field3, field4"
table =...