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Convert columns to string in Pandas
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One way to convert to string is to use astype:
total_rows['ColumnID'] = total_rows['ColumnID'].astype(str)
However, perhaps you are looking for the to_json function, which will convert keys to valid json (and therefore your keys to strings):
In [11]: df = pd.DataFrame([['A', 2], ['A', 4...
How do I reflect over the members of dynamic object?
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If the IDynamicMetaObjectProvider can provide the dynamic member names, you can get them. See GetMemberNames implementation in the apache licensed PCL library Dynamitey (which can be found in nuget), it works for ExpandoObjects and ...
C char array initialization
...rray is initialized with 0. This the case even if the array is declared inside a function.
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What does 'require: false' in Gemfile mean?
...rough all of them each time, so more = slower, according to confreaks.com/videos/2668-gogaruco2013-measuring-ruby
– Nathan Long
Oct 12 '13 at 14:11
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nginx upload client_max_body_size issue
... a simple multipart form to upload files.
Everything works fine until I decide to restrict the maximum size of files I want uploaded.
To do that, I set the nginx client_max_body_size to 1m (1MB) and expect a HTTP 413 (Request Entity Too Large) status in response when that rule breaks.
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What is the difference between Modal and Push segue in Storyboards?
... navigation controller and the VC being presented modally is generally considered to be a "child" of the presenting (parent) VC. The modally presented VC is usually sans any navigation bars or tab bars. The presenting VC is also responsible for dismissing the modal VC it created and presented.
Ho...
Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...odels but does compare much bigger virtual dom 2) Dirty-check of model provide us with ability to update only what needed too (as Angular does)
– Daniil
Jan 14 '14 at 15:41
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Drawing an SVG file on a HTML5 canvas
...ssets/images/logo.svg as the first available SVG I found. Worked in FF. jsfiddle.net/Na6X5/331
– Thomas
Mar 10 '15 at 4:24
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LinkedBlockingQueue vs ConcurrentLinkedQueue
... biased locking is involved and you do have contention, or after the VM decides to "inflate" the lock after a spin grace period and block contending threads ... which is why in many contexts (scenarios of low/medium contention), doing compare-and-sets on atomic references can be much more efficient ...
Find a Git branch containing changes to a given file
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Do I need to replace anything in this command besides FILENAME? It returns all 57 branch names.
– Dustin
Jun 6 '11 at 22:01
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