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MySQL复制的概述、安装、故障、技巧、工具 - 数据库(内核) - 清泛网 - 专注...
...类似下面的错误：
Client requested master to start replication from impossible position
因为日志数据已经丢失了，所以此类问题基本上不能处理，只能重新安装同步从服务器。
接下来设置从服务器配置文件（缺省：/etc/my.cnf）：
[mysqld]...
How can I search Git branches for a file or directory?
...**/my_file.png, that way you won't have to guess if you're checking it out from a commit that deleted it.
– eacousineau
Oct 4 '13 at 4:55
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favicon.png vs favicon.ico - why should I use PNG instead of ICO?
...wer replaced (and turned Community Wiki) due to numerous updates and notes from various others in this thread:
ICOs and PNGs both allow full alpha channel based transparency
ICO allows for backwards compatibility to older browsers (e.g. IE6)
PNG probably has broader tooling support for transparenc...
Test whether a glob has any matches in bash
...le, but a file called *.[cC]) or false negative if the first file expanded from that is for instance a symlink to an unexistent file or to a file in a directory you don't have access to (you way want to add a || [ -L "$1" ]).
– Stephane Chazelas
Jun 13 '13 at 2...
How do I convert a string to a lower case representation?
... lowercase 'ı' and lowercase 'i' should correspond to uppercase 'İ' ..." from stackoverflow.com/q/50135094/3166697
– Dima Kozhevin
Aug 16 at 19:58
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What are best practices for validating email addresses on iOS 2.0
...
This question, from April of 2009 was before NSPredicate existed on iOS.
– Marcus S. Zarra
Sep 3 '10 at 20:02
7
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PHP abstract properties
... setter/getter methods. You can optionally use final to prevent the method from being overridden in extended classes.
Other than that the child object overrides the parent object property and methods if redefined.
For example if a property is declared as protected in the parent and redefined as pub...
What's Go's equivalent of argv[0]?
...
use os.Args[0] from the os package
package main
import "os"
func main() {
println("I am ", os.Args[0])
}
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How to upgrade Git to latest version on macOS?
...tly appreciated. I probably have some left over path settings on my system from working with Ruby last year.
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How to make vi redraw screen?
...ith VT100 type terminals )
^L ( does not work with Televideo terminals )
From http://www.cs.rit.edu/~cslab/vi.html#A1.4 (dead link; see archive)
As noted in the comments Vim now uses ^R for redo and ^L alone for redraw.
s...