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How to convert a data frame column to numeric type?
How do you convert a data frame column to a numeric type?
18 Answers
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sizeof single struct member in C
I am trying to declare a struct that is dependent upon another struct.
I want to use sizeof to be safe/pedantic.
9 Answer...
Is 'float a = 3.0;' a correct statement?
If I have the following declaration:
8 Answers
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What is thread safe or non-thread safe in PHP?
...Different web servers implement different techniques for handling incoming HTTP requests in parallel. A pretty popular technique is using threads -- that is, the web server will create/dedicate a single thread for each incoming request. The Apache HTTP web server supports multiple models for handlin...
Insert a commit before the root commit in Git?
I've asked before about how to squash the first two commits in a git repository.
15 Answers
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Separation of JUnit classes into special test package?
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How to add screenshot to READMEs in github repository?
...mbed an image that's hosted elsewhere, you can use a full URL
GitHub recommend that you use relative links with the ?raw=true parameter to ensure forked repos point correctly.
The raw=true parameter is there in order to ensure the image y...
UIButton custom font vertical alignment
I've got a UIButton which uses a custom font, which is set when my view loads:
6 Answers
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Inserting a Python datetime.datetime object into MySQL
I have a date column in a MySQL table. I want to insert a datetime.datetime() object into this column. What should I be using in the execute statement?
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Postgres and Indexes on Foreign Keys and Primary Keys
Does Postgres automatically put indexes on Foreign Keys and Primary Keys? How can I tell? Is there a command that will return all indexes on a table?
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