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MySQL - length() vs char_length()
...() returns the length of the string measured in characters.
This is especially relevant for Unicode, in which most characters are encoded in two bytes. Or UTF-8, where the number of bytes varies. For example:
select length(_utf8 '€'), char_length(_utf8 '€')
--> 3, 1
As you can see the E...
How to launch Safari and open URL from iOS app
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@g_fred. Why would he not be able to include a Swift version?
– ericgu
Mar 24 '15 at 13:21
2
...
CentOS 6.4下Squid代理服务器的安装与配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...|grep squid
3.2 如果未安装，则使用yum 方式安装
# yum -y install squid
3.3 设置开机自启动
# chkconfig --level 35 squid on //在3、5级别上自动运行squid服务
四、squid服务器的配置文件说明
squid 的主配置文件是 /etc/squid/squid.conf，...
Golang tests in sub-directory
...
Note that you can run go test "recursively": you need to list all the packages you want to test.
If you are in the root folder of your Go project, type:
go test ./...
The './...' notation is described in the section "Description of package lists" of the "command go":
An import path is...
Binding a WPF ComboBox to a custom list
...0">
<Grid>
<StackPanel>
<Button Click="Button_Click">asdf</Button>
<ComboBox ItemsSource="{Binding Path=PhonebookEntries}"
DisplayMemberPath="Name"
SelectedValuePath="Name"
SelectedValue="{Binding...
What's the difference between the data structure Tree and Graph?
Academically speaking, what's the essential difference between the data structure Tree and Graph? And how about the tree based search and Graph based search?
...
How do I get the computer name in .NET
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@tvanfosson All of these three get me the server name and not the clients machine which is accessing the page. Is this how it works? or am I doing something incorrectly. I would like to get the clients machine, and not the server. I am u...
momentJS date string add 5 days
....4 - use .add(5, 'd') (or .add(5, 'days')) instead of .add('d', 5)
var new_date = moment(startdate, "DD-MM-YYYY").add(5, 'days');
Thanks @Bala for the information.
UPDATED: March 21, 2014
This is what you'd have to do to get that format.
Here's an updated fiddle
startdate = "20.03.2014";
var ...
Leading zeros for Int in Swift
...wn below in order to solve your problem.
#1. Using String's init(format:_:) initializer
Foundation provides Swift String a init(format:_:) initializer. init(format:_:) has the following declaration:
init(format: String, _ arguments: CVarArg...)
Returns a String object initialized by using ...
Find most frequent value in SQL column
...
SELECT `column`,
COUNT(`column`) AS `value_occurrence`
FROM `my_table`
GROUP BY `column`
ORDER BY `value_occurrence` DESC
LIMIT 1;
Replace column and my_table. Increase 1 if you want to see the N most common values of the column.
...