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How to merge two files line by line in Bash

... the J option does not work on macOS Mojave but your command does perfectly. Thanks. – Duck Dec 27 '18 at 15:51 add a comment  |  ...
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How to set web.config file to show full error message

... See the difference between customErrors and httpErrors – stomy Oct 30 '17 at 17:05 ...
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How to get a json string from url?

... If you're using .NET 4.5 and want to use async then you can use HttpClient in System.Net.Http: using (var httpClient = new HttpClient()) { var json = await httpClient.GetStringAsync("url"); // Now parse with JSON.Net } ...
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count the frequency that a value occurs in a dataframe column

... Use groupby and count: In [37]: df = pd.DataFrame({'a':list('abssbab')}) df.groupby('a').count() Out[37]: a a a 2 b 3 s 2 [3 rows x 1 columns] See the online docs: http://pandas.pydata.org/pandas-docs/stable/groupby.html ...
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Is there a “default” MIME type?

...eally add anything over this, except to confuse clients who don't support random unofficial MIME types. Ditto for application/binary; it's just a non-standard way of restating "octet-stream". This is the answer to "What can I put in the Content-Type: header if I can't find an existing content type...
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How to comment lines in rails html.erb files? [duplicate]

...newbie to rails , please let me know the way to comment out a single line and also to comment out a block of lines in *.html.erb files. ...
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What is the meaning of the 'g' flag in regular expressions?

... it can find matching the given pattern. So the difference between /.+/g and /.+/ is that the g version will find every occurrence instead of just the first. share | improve this answer ...
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How do I access the host machine itself from the iPhone simulator

... Expanding on jaminguy's answer, MAC OSX also has a built in Apache server. Just do a quick google search..... – Sid May 20 '11 at 23:00 ...
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prevent refresh of page when button inside form clicked

...lue of type for a button is submit, which self posts the form in your case and makes it look like a refresh. share | improve this answer | follow | ...
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Creating a CSS3 box-shadow on all sides but one

... */ background:#fff; /* a solid background (non transparent) */ } and change #content style (remove paddings) and add shadow #content { font-size: 1.8em; box-shadow: 0 0 8px 2px #888; /* line shadow */ } add shadows to tabs: #nav li a { margin-left: 20px; padding: .7em ....