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Import CSV to mysql table
What is the best/fastest way to upload a csv file into a mysql table? I would like for the first row of data be used as the column names.
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How to join two sets in one line without using “|”
...are assigned sets. Without using the join operator | , how can I find the union of the two sets? This, for example, finds the intersection:
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PHP/MySQL insert row then get 'id'
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$link = mysqli_connect('127.0.0.1', 'my_user', 'my_pass', 'my_db');
mysqli_query($link, "INSERT INTO mytable (1, 2, 3, 'blah')");
$id = mysqli_insert_id($link);
See mysqli_insert_id().
Whatever you do, don't insert and then do a "...
How to get size of mysql database?
How to get size of a mysql database?
Suppose the target database is called "v3".
9 Answers
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Get difference between two lists
...the following simple function.
def diff(list1, list2):
c = set(list1).union(set(list2)) # or c = set(list1) | set(list2)
d = set(list1).intersection(set(list2)) # or d = set(list1) & set(list2)
return list(c - d)
or
def diff(list1, list2):
return list(set(list1).symmetric_d...
What is the strict aliasing rule?
...mited buffer doesn't necessarily help.
So how do I get around this?
Use a union. Most compilers support this without complaining about strict aliasing. This is allowed in C99 and explicitly allowed in C11.
union {
Msg msg;
unsigned int asBuffer[sizeof(Msg)/sizeof(unsigned int)];
};
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Facebook database design?
... has 100 friends, that means the table would contain 100'000'000'000 rows. MySQL partitioning?
– veidelis
Jun 4 '14 at 7:30
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Remove DEFINER clause from MySQL Dumps
I have a MySQL dump of one of my databases. In it, there are DEFINER clauses which look like,
24 Answers
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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...种原因，HandlerSocket并没有真正流行起来，不过庆幸的是MySQL官方受其启发，研发了基于InnoDB的Memcached插件，总算是在MySQL中延续了NoSQL的香火，以前单独架设Memcached服务器不仅浪费了内存，而且还必须自己维护数据的不一致问题...
Mac OS X - EnvironmentError: mysql_config not found
... I am on the same page as you:
You installed python
You did brew install mysql
You did export PATH=$PATH:/usr/local/mysql/bin
And finally, you did pip install MySQL-Python (or pip3 install mysqlclient if using python 3)
If you did all those steps in the same order, and you still got an error, re...