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What is the most useful script you've written for everyday life? [closed]
...re, but possibly the most useful script I wrote was, believe it or not, in VBA. I had an annoying colleague who had such a short fuse that I referred to him as Cherry Bomb. He would often get mad when customers would call and then stand up and start ranting at me over the cubicle wall, killing my ...
Change MySQL default character set to UTF-8 in my.cnf?
...8, you want to add the following to my.cnf
[client]
default-character-set=utf8
[mysql]
default-character-set=utf8
[mysqld]
collation-server = utf8_unicode_ci
init-connect='SET NAMES utf8'
character-set-server = utf8
If you want to change the character set for an existing DB, let me know... you...
How to convert an entire MySQL database characterset and collation to UTF-8?
...ABASE and ALTER TABLE commands.
ALTER DATABASE databasename CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
ALTER TABLE tablename CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
Or if you're still on MySQL 5.5.2 or older which didn't support 4-byte UTF-8, use utf8 instead of utf8mb...
How to convert a column number (e.g. 127) into an Excel column (e.g. AA)
...
If anyone needs to do this in Excel without VBA, here is a way:
=SUBSTITUTE(ADDRESS(1;colNum;4);"1";"")
where colNum is the column number
And in VBA:
Function GetColumnName(colNum As Integer) As String
Dim d As Integer
Dim m As Integer
Dim name As Stri...
高并发服务端分布式系统设计概要 - C/C++ - 清泛网 - 专注C/C++及内核技术
...同样的业务，同一个数据应存储多份，其中有的存储提供读写，而有的存储只提供读。
好，先解释下这2点。对于（1）应该容易理解，比如说，我这套系统用于微博（就假想我们做一个山寨的推特吧，给他个命名就叫“山推” ...
What's the difference between utf8_general_ci and utf8_unicode_ci?
Between utf8_general_ci and utf8_unicode_ci , are there any differences in terms of performance?
8 Answers
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滚动布局管理器拓展 - ScrollArrangementHandler · App Inventor 2 中文网
...单导航：横向菜单项切换
长内容浏览：文章、新闻等长文本阅读
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最后更新：2017.12.25
拓展文件：ScrollArrangementHandlers.aix
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本文档内容依据原作者发布页面整理翻译，...
“Incorrect string value” when trying to insert UTF-8 into MySQL via JDBC?
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MySQL's utf8 permits only the Unicode characters that can be represented with 3 bytes in UTF-8. Here you have a character that needs 4 bytes: \xF0\x90\x8D\x83 (U+10343 GOTHIC LETTER SAUIL).
If you have MySQL 5.5 or later you can cha...
Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
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The default collation for stored procedure parameters is utf8_general_ci and you can't mix collations, so you have four options:
Option 1: add COLLATE to your input variable:
SET @rUsername = ‘aname’ COLLATE utf8_unicode_ci; -- COLLATE added
CALL updateProductUsers(@rUsername...
What's wrong with Groovy multi-line String?
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The second one is also how VBA multiline statements work :D (Only with underscores instead of backslashes, because VBA.)
– Charles Wood
Nov 1 '16 at 16:50
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