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How to store a dataframe using Pandas
...HDFStore('store.h5')
store['df'] = df # save it
store['df'] # load it
More advanced strategies are discussed in the cookbook.
Since 0.13 there's also msgpack which may be be better for interoperability, as a faster alternative to JSON, or if you have python object/text-heavy data (see this q...
What are the differences between json and simplejson Python modules?
...ut since json was added in 2.6, simplejson has the advantage of working on more Python versions (2.4+).
simplejson is also updated more frequently than Python, so if you need (or want) the latest version, it's best to use simplejson itself, if possible.
A good practice, in my opinion, is to use o...
Default implementation for Object.GetHashCode()
... reference equality is perfect. With strings, as you note, one is usually more interested in whether a string containing the same sequence of characters has already been added. That's why string overrides GetHashCode. On the other hand, suppose you want to keep a count of how many times various c...
Why do I need to do `--set-upstream` all the time?
...o get wrong! Thanks to VonC for pointing out that git 1.8.0 introduces the more obvious git branch --set-upstream-to, which can be used as follows, if you're on the branch my_branch:
git branch --set-upstream-to origin/my_branch
... or with the short option:
git branch -u origin/my_branch
This...
Should a Netflix or Twitter-style web service use REST or SOAP? [closed]
...inevitable that this day would come and I am sure we are going to see many more questions like this in the coming months.
The warning signs
You are absolutely correct, it does take longer to build RESTful clients than SOAP clients. The SOAP toolkits take away lots of boilerplate code and make clie...
Cancel/kill window.setTimeout() before it happens
...tatus, for example. I have a few of these that hang out for 10 seconds or more and if the user gets clicking around the action can occur at incorrect time intervals.
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Use RSA private key to generate public key?
...tracted from the private key file, not calculated. See my answer below for more details.
– golem
Jun 4 '17 at 17:27
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Get String in YYYYMMDD format from JS date object?
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Generating random strings with T-SQL
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No route matches “/users/sign_out” devise rails 3
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For more information, the rationale why this was changed in the latest version of Devise is described here and here.
– Jessie Dedecker
Jul 3 '11 at 8:57
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