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Comparing two dataframes and getting the differences
... pd.concat([df1, df2])
>>> df = df.reset_index(drop=True)
group by
>>> df_gpby = df.groupby(list(df.columns))
get index of unique records
>>> idx = [x[0] for x in df_gpby.groups.values() if len(x) == 1]
filter
>>> df.reindex(idx)
Date Fruit ...
What is meant by Scala's path-dependent types?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Selenium WebDriver: Wait for complex page with JavaScript to load
...ment etc. This solution, however, is not for everyone and can be used only by you and only on a limited set of pages.
Your solution by observing the HTML code and whether it has or hasn't been changed for some time is not bad (also, there is a method to get the original and not-edited HTML directly ...
Filter output in logcat by tagname
I'm trying to filter logcat output from a real device (not an emulator) by tag name but I get all the messages which is quite a spam. I just want to read messages from browser which should be something like "browser: " or "webkit: " , but it doesn't work...
Here it is what I get:
...
How to find the key of the largest value hash?
...ding on the value of hash elements:
def largest_hash_key(hash)
hash.max_by{|k,v| v}
end
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vim repeat find next character 'x'
I often navigate in vim by f x to find next occurrence of character 'x',
but overlook that there is a word (or more words) containing 'x' in between the word I want to edit and the beginning cursor position.
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Real world use of JMS/message queues? [closed]
...re because you can use the STOMP protocol to allow access from a C#/Java/Ruby client.
A real world example is that of a web application that is used to place an order for a particular customer. As part of placing that order (and storing it in a database) you may wish to carry a number of additiona...
Oracle SQL Developer multiple table views
...
You can pin a tab by clicking the button below :
No need to configure anything, plus sometimes you don't want to have a tab automatically pinned.
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How to sort a Ruby Hash by number value?
I have a counter hash that I am trying to sort by count. The problem I am running into is that the default Hash.sort function sorts numbers like strings rather than by number size.
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CodeIgniter removing index.php from url
... does not work properly.
Just replace
$config['uri_protocol'] ="AUTO"
by
$config['uri_protocol'] = "REQUEST_URI"
.htaccess
RewriteEngine on
RewriteCond $1 !^(index\.php|resources|robots\.txt)
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.ph...