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Placing Unicode character in CSS content value [duplicate]
... file as UTF-8?
nav a:hover:after {
content: "↓";
}
If that's not good enough, and you want to keep it all-ASCII:
nav a:hover:after {
content: "\2193";
}
The general format for a Unicode character inside a string is \000000 to \FFFFFF – a backslash followed by six hexadecimal digit...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...数据。my.ini的设置为 innodb_file_per_table = 1。
参考 http://blog.chinaunix.net/uid-24111901-id-2627876.html
1、找回表结构，如果表结构没有丢失直接到下一步
a、先创建一个数据库，这个数据库必须是没有表和任何操作的。
b、创建一个表...
使用TokuMX配置Replica Set集群 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
使用TokuMX配置Replica Set集群MongoDB作为NoSql首选，使用较为广泛，但TokuMX鲜为人知，它完全兼容MongoDB，性能上较MongoDB更为出色，尤其其数据压缩及处理海量数据性能方面更是远远优于MongoDB。TokuTek公司出品的TokuDB，其主要特色是在...
Undo scaffolding in Rails
...
First, if you have already run the migrations generated by the scaffold command, you have to perform a rollback first.
rake db:rollback
You can create scaffolding using:
rails generate scaffold MyFoo
(or similar), and you can destroy/undo it using
rails...
npm not working after clearing cache
Before clearing cache
11 Answers
11
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How to change a table name using an SQL query?
How can I in change the table name using a query statement?
10 Answers
10
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Python string.replace regular expression [duplicate]
...
str.replace() v2|v3 does not recognize regular expressions.
To perform a substitution using a regular expression, use re.sub() v2|v3.
For example:
import re
line = re.sub(
r"(?i)^.*interfaceOpDataFile.*$",
"interfaceOpDataFile %s"...
How to locate the git config file in Mac [duplicate]
As title reads, how to locate the git config file in Mac? Not sure how to find it. Need to set
4 Answers
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Whether a variable is undefined [duplicate]
...eturn 'undefined' for an empty selection. It always returns an empty string (i.e. ""). .html() will return null if the element doesn't exist though.You need to do:
if(page_name != '')
For other variables that don't come from something like jQuery.val() you would do this though:
if(typeof page_...
How do I remove a big file wrongly committed in git [duplicate]
I did a stupid thing. Imagine that I committed a 100MB file. Then I see this and delete this file and commit again. This is a normal procedure to delete a file.
...