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What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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The Gemfile is where you specify which gems you want to use, and lets you specify which versio...
Count number of records returned by group by
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Flexbox and Internet Explorer 11 (display:flex in ?)
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153
According to http://caniuse.com/#feat=flexbox:
"IE10 and IE11 default values for flex are 0 0...
WheelView 拓展：滚轮选择框扩展，滚轮日历选择框和旋转日历扩展 · App In...
...ginal code from WheelView: 效果类似android4.0以上原生的DatePicker 18
Thanks @wildcontrol to sponsor this extension
Demo picture:
this demo used 3 extensions
Download link here;
aix拓展
cn.kevinkun.WheelView.aix
demo
WheelView.aia
Wheel Calendar 扩展
Whee...
How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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12 Answers
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Fastest way to find second (third…) highest/lowest value in vector or column
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15 Answers
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Javascript - sort array based on another array
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21 Answers
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Automatic counter in Ruby for each?
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As people have said, you can use
each_with_index
but if you want indices with an iterator ...
jQuery how to find an element based on a data-attribute value?
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You have to inject the value of current into an Attribute Equals selector:
$("ul").find(`[da...