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CSS center text (horizontally and vertically) inside a div block
...al align".
Since they tend to be hacks or adding complicated divs... I usually use a table with a single cell to do it... to make it as simple as possible.
Update for 2020:
Unless you need make it work on earlier browsers such as Internet Explorer 10, you can use flexbox. It is widely supported...
Can't operator == be applied to generic types in C#?
...perator ==(Test a, Test b)
{
Console.WriteLine("Overloaded == called");
return a.Equals(b);
}
public static bool operator !=(Test a, Test b)
{
Console.WriteLine("Overloaded != called");
return a.Equals(b);
}
}
}
Output
Inline:
Overloaded == c...
How to install packages offline?
... download a python package and it's dependencies from pypi for offline installation on another machine? Is there any easy way to do this with pip or easy_install? I'm trying to install the requests library on a FreeBSD box that is not connected to the internet.
...
How to check if an object is serializable in C#
...
You have a lovely property on the Type class called IsSerializable.
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How to remove .htaccess password protection from a subdirectory
... include the Satisfy any directive in it like so, for up to Apache 2.3:
# allows any user to see this directory
Satisfy Any
The syntax changed in Apache 2.4, this has the same effect:
Require all granted
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In Docker, what's the difference between a container and an image? [duplicate]
... running (or stopped) instances of some image.
Start with the base image called 'ubuntu'. Let's run bash interactively within the ubuntu image and create a file. We'll use the -i and -t flags to give us an interactive bash shell.
$ docker run -i -t ubuntu /bin/bash
root@48cff2e9be75:/# ls
bin bo...
Using ECMAScript 6
...
In Chrome, most of the ES6 features are hidden behind a flag called "Experimental JavaScript features". Visit chrome://flags/#enable-javascript-harmony, enable this flag, restart Chrome and you will get many new features.
Arrow functions are not yet implemented in V8/Chrome, so this fl...
linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...e.log
visible_hostname 192.168.16.1
cache_mgr lindenstar@163.com
acl all src 0.0.0.0/0.0.0.0
http_access allow all
2.2 acl选项的格式如下：
acl列表名称 列表类型 [-i] 列表值
列表名称：用于区分Squid的各个访问控制列表，任何两个访问控制列表不...
How best to determine if an argument is not sent to the JavaScript function
...noid (see comments).
Using the || operator has become standard practice - all the cool kids do it - but be careful: The default value will be triggered if the argument evaluates to false, which means it might actually be undefined, null, false, 0, '' (or anything else for which Boolean(...) returns...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
...ame problem, and finding almost no information online about it. Nothing at all in the books. Finally I found this sober query on stackoverflow and (ha!) it was the final impetus I needed to set up an account here.
And I have a partial answer, but alas not a complete one.
First of all, realise that...