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sed command with -i option failing on Mac, but works on Linux
...rtable way to avoid making backup files because it is impossible to find a mix of sed commands that works on all cases:
sed -i -e ... - does not work on OS X as it creates -e backups
sed -i'' -e ... - does not work on OS X 10.6 but works on 10.9+
sed -i '' -e ... - not working on GNU
Note Given ...
Convert seconds to HH-MM-SS with JavaScript?
...think the other solution is better than throwing another js library in the mix.
– Donato
Jul 18 '16 at 16:55
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Undefined method 'task' using Rake 0.9.0
...bject has a task command, not very nice. The DSL commands are available by mixing in the Rake::DSL module into any module needing the commands.
Until Ruby on Rails is updated to work with Rake 0.9.x, put the following in your project Rakefile after "require rake" and before the call to Application....
Responsive font size in CSS
I've created a site using the Zurb Foundation 3 grid. Each page has a large h1 :
30 Answers
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Difference between is and as keyword
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@MartinSmith: You are mixing up type conversion with casting. An integer can be converted to long, but it can not be casted to long because it is not a long.
– Guffa
Aug 23 '16 at 11:04
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柳青：滴滴每天面临向死而生的挑战 永远热泪盈眶 - 资讯 - 清泛网 - 专注C/...
...渗透，震人发聩：
柳青2016年滴滴年会演讲全文，无删节版(创业者共勉！)：
昨天还在跟Will聊说我今天讲什么，他说不用有压力，因为我今天会宣布年终奖和今天的抽奖，我说完了也没人在意你讲什么，讲什么都行。所以我现...
How to grey out a button?
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This works, but two colors when mixed turns into another color
– Shamsul Arefin Sajib
Apr 17 '18 at 7:08
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sed or awk: delete n lines following a pattern
How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline.
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How to check all checkboxes using jQuery?
... If you're going to use jQuery, then use jQuery. It's not a good idea to mix up jQuery with inline Javascript. For example, this is bad: <elementtag id="someID" onclick="javascript code here" --- Instead, use jQuery: $('#someID').click(function() { checkAll() });
– cssyphu...
What is the equivalent of “none” in django templates?
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Your hint mixes presentation and logic by putting HTML in your model, doing exactly the opposite of what you are trying to teach. How about returning None if there is no name (logical behaviour for a data model) and then using the defa...