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Convert Python dict into a dataframe

... all scalar values, you must must pass an index You could take the items from the dictionary (i.e. the key-value pairs): In [11]: pd.DataFrame(d.items()) # or list(d.items()) in python 3 Out[11]: 0 1 0 2012-07-02 392 1 2012-07-06 392 2 2012-06-29 391 3 2012-06-28 391 ...
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Getting unique items from a list [duplicate]

What is the fastest / most efficient way of getting all the distinct items from a list? 5 Answers ...
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map vs. hash_map in C++

...characteristics (e.g. it is stored in sorted order, which allows traversal from start to finish). unordered_map will be faster on insert and delete than a map. share | improve this answer ...
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Best algorithm for detecting cycles in a directed graph [closed]

... has the pseudo-code for one algorithm, and a brief description of another from Tarjan. Both have O(|V| + |E|) time complexity. share | improve this answer | follow ...
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Strip Leading and Trailing Spaces From Java String

Is there a convenience method to strip any leading or trailing spaces from a Java String? 6 Answers ...
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Cleanest way to get last item from Python iterator

What's the best way of getting the last item from an iterator in Python 2.6? For example, say 14 Answers ...
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How can I make a time delay in Python? [duplicate]

... the time module. It can take a float argument for sub-second resolution. from time import sleep sleep(0.1) # Time in seconds share | improve this answer | follow ...
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Logging Clientside JavaScript Errors on Server [closed]

...t part of any specification, support is somewhat flaky. Here's an example from Using XMLHttpRequest to log JavaScript errors: window.onerror = function(msg, url, line) { var req = new XMLHttpRequest(); var params = "msg=" + encodeURIComponent(msg) + '&url=' + encodeURIComponent(url) + ...
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Android Reading from an Input stream efficiently

...%28java.io.InputStream%29 The Apache Commons IO library can be downloaded from here: http://commons.apache.org/io/download_io.cgi share | improve this answer | follow ...
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How to calculate time elapsed in bash script?

...tf '%(%H:%M:%S)T\n' "$elapsedseconds" 06:12:24 For the lovers of detail, from bash-hackers.org: %(FORMAT)T outputs the date-time string resulting from using FORMAT as a format string for strftime(3). The associated argument is the number of seconds since Epoch, or -1 (current time) or -2 (...