是否有更多的flexbox-ish方式来正确对齐"联系"而不是使用position: absolute?
.main { display: flex; }
.a, .b, .c { background: #efefef; border: 1px solid #999; }
.b { flex: 1; text-align: center; }
.c { position: absolute; right: 0; }Run Code Online (Sandbox Code Playgroud)
<h2>With title</h2>
<div class="main">
<div class="a"><a href="#">Home</a></div>
<div class="b"><a href="#">Some title centered</a></div>
<div class="c"><a href="#">Contact</a></div>
</div>
<h2>Without title</h2>
<div class="main">
<div class="a"><a href="#">Home</a></div>
<!--<div class="b"><a href="#">Some title centered</a></div>-->
<div class="c"><a href="#">Contact</a></div>
</div>Run Code Online (Sandbox Code Playgroud)
启用后set mouse=a,Vim内部复制的文本不会粘贴到Vim之外.有人知道解决这个问题的方法吗?
在这里,用鼠标选择文本会打开可视模式并禁用Copy弹出菜单中的选项:

使用Slick.js - 如何获得当前和总幻灯片(即3/5)作为点的简单替代?
我被告知我可以使用customPaging回调参数对象来使用回调,但这究竟是什么意思呢?
$('.slideshow').slick({
slide: 'img',
autoplay: true,
dots: true,
customPaging: function (slider, i) {
return slider.slickCurrentSlide + '/' + (i + 1);
}
});
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为什么zsh: command not found: bundle之后gem install bundler?
我试着设置path=( /usr/local/lib/ruby/gems/2.2/gems/ ~/bin /bin /sbin /usr/bin /usr/sbin /usr/local/bin /usr/local/sbin )中/etc/zshrc并source /etc/zshrc没有用.
root@dev:/home/dev# gem install bundler
Successfully installed bundler-1.7.12
Parsing documentation for bundler-1.7.12
Done installing documentation for bundler after 10 seconds
1 gem installed
root@dev:/home/dev# bundle
zsh: command not found: bundle
root@dev:/home/dev# uname -a
OpenBSD dev.my.domain 5.7 GENERIC#748 amd64
root@dev:/home/dev# gem environment
RubyGems Environment:
- RUBYGEMS VERSION: 2.4.5
- RUBY VERSION: 2.2.0 (2014-12-25 patchlevel …Run Code Online (Sandbox Code Playgroud) 与机架1.3.2的问题类似.你已经激活了机架1.3.2,但你的Gemfile需要机架1.2.3 - 我You have already activated rack 1.6.0, but your Gemfile requires rack 1.6.4在尝试使用Puma和Nginx在生产中运行Rails(4.2)时遇到了问题.
bundle update rake也rm Gemfile.lock && bundle install似乎没有帮助,到目前为止我唯一的解决方案是手动更改rack (1.6.4)为rack (1.6.0)Gemfile.lock.
如何在HTML上重复这个1px x 1px CSS背景图像<img>?
http://jsfiddle.net/hjv74tdw/1/
我在其他包含的元素之上遇到了CSS show div背景图像,但它似乎需要一个额外的div.理想情况下,我希望我根本不必使用div,但根据CSS背景图像而不是HTML img,这是不可能的,至少不是100%宽度响应场景.
.test {
background: url(http://placehold.it/1/1) repeat;
position: relative;
z-index: 100;
width: 200px;
}
.test img {
width: 100%;
display: block;
position: absolute;
z-index: 50;
}Run Code Online (Sandbox Code Playgroud)
<div class="test">
<img src="http://lorempixel.com/400/400">
</div>Run Code Online (Sandbox Code Playgroud)
试图解析一些JSON,为什么是text空的?
期望的输出:
text 应该回来 Hello world\n\nApple, Harbor\n\nBanana, Kitchen\n\nMango, Bedroom
text = "Hello world"
json = '{"fruits": [{"name": "Apple", "location": "Harbor"}, {"name": "Banana", "location": "Kitchen"}, {"name": "Mango", "location": "Bedroom"}]}'
fruits = JSON.parse(json)
def format_fruits(fruits)
fruits.each do |fruit|
puts "\n\n#{ fruit[0]['name'] }, #{ fruit[0]['location'] }"
end.to_sentence
end
text += format_fruits(fruits)
text
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当前输出:
TypeError: no implicit conversion of Hash into String
from (irb):5:in `+'
from (irb):5
from /home/mark/.gem/ruby/2.1.1/gems/railties-4.1.7/lib/rails/commands/console.rb:90:in `start'
from /home/mark/.gem/ruby/2.1.1/gems/railties-4.1.7/lib/rails/commands/console.rb:9:in `start'
from /home/mark/.gem/ruby/2.1.1/gems/railties-4.1.7/lib/rails/commands/commands_tasks.rb:69:in `console'
from /home/mark/.gem/ruby/2.1.1/gems/railties-4.1.7/lib/rails/commands/commands_tasks.rb:40:in `run_command!'
from /home/mark/.gem/ruby/2.1.1/gems/railties-4.1.7/lib/rails/commands.rb:17:in `<top …Run Code Online (Sandbox Code Playgroud) 如何在段落中插入表情,无论line-height表情有多大,都不影响内容?IE。喜欢:
我得到的最接近的是 或position: absolute,vertical-align: text-top但没有一个能完成这项工作。
p img {
height: 35px;
display: inline;
}
#one img {
vertical-align: text-top;
}
#two img {
position: absolute;
}Run Code Online (Sandbox Code Playgroud)
<p id="one">Marzipan chupa chups marzipan. Bear claw donut candy powder cupcake tart. Tiramisu cotton candy jelly biscuit pie <img src="https://rawgit.com/github/gemoji/master/images/emoji/bowtie.png"> Jelly beans muffin croissant. Cupcake cookie pudding tootsie roll wafer. Bear claw jelly gummies sugar plum bear claw candy chocolate jelly. Donut brownie pie dessert cupcake donut oat cake …Run Code Online (Sandbox Code Playgroud)这样做是否有更清洁,content_tag-ish方式?(我不想在我的YML中使用HTML)
en.yml:
expert_security_advice: "Go <a href='{{url}}'>here</a> for expert security advice."
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layout.html.erb:
<%= t(:expert_security_advice, :url => "http://www.getsafeonline.org") %>
Run Code Online (Sandbox Code Playgroud) 在jQuery Mobile 1.4中,为什么不$(window).scroll解雇?这是一个非工作示例,试图检测用户何时滚动到页面末尾:
$(document).on('pagecontainershow', function () {
$(window).scroll(function () {
if ($(window).scrollTop() + $(window).height() == $(document).height()) {
alert("Bottom reached!");
}
});
});
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在弃用之前,这在jQuery Mobile 1.3中都运行良好pageshow:
$(document).on('pageshow', '.ui-page', function() {
$(window).scroll(function () {
if ($(window).scrollTop() + $(window).height() == $(document).height()) {
alert("Bottom reached!");
}
});
});
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谁知道该怎么办?