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How do I use a file grep comparison inside a bash if/else statement?
...grep:
Exit status is 0 if any line was selected, 1 otherwise;
if any error occurs and -q was not given, the exit status is 2.
if grep --quiet MYSQL_ROLE=master /etc/aws/hosts.conf; then
echo exists
else
echo not found
fi
You may want to use a more specific regex, such as ^MYSQL_ROLE=ma...
初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...：
separator：Memcached只识别单值，使用此分隔符（|）来连接多个字段的值。
table_map_delimiter：通过此分隔符（.）来确认表和键，如：@@table.key。
如果我们想通过Memcached协议来访问一个表，需要先在containers中配置它：
mysql> ...
What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
...xes.
– Mark Rajcok
Jan 12 '13 at 19:05
15
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How to find out the number of CPUs using python
...n >= 2.6 you can simply use
import multiprocessing
multiprocessing.cpu_count()
http://docs.python.org/library/multiprocessing.html#multiprocessing.cpu_count
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Find and replace with sed in directory and sub directories
... For Mac OS, this answers stackoverflow.com/questions/19242275/… the RE error: illegal byte sequence
– kakoma
Aug 14 '17 at 21:27
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List of tuples to dictionary
...ut-313-7bb3559567ff>", line 1, in <module> dict(my_list) TypeError: 'Dictionary' object is not callable
– CKM
Apr 23 '18 at 5:57
4
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Check if a Python list item contains a string inside another string
... |
edited Jun 9 '19 at 11:05
answered Apr 13 '16 at 8:19
Ro...
Convert Iterator to ArrayList
...toList());
– neXus
Dec 11 '18 at 13:05
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What is referential transparency?
...page.
– Uday Reddy
Jul 31 '12 at 13:05
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How do I create a Linked List Data Structure in Java? [closed]
...st.insert(3, 3.03);
list.insert(4, 4.04);
list.insert(5, 5.05);
list.printList();
while(!list.isEmpty()) {
Link deletedLink = list.delete();
System.out.print("deleted: ");
deletedLink.printLink();
System.out.println(""...