How do I convert a string to an integer in JavaScript? 27 Answers 27 ...

I am a lone developer most of my time, working on a number of big, mainly PHP-based projects. I want to professionalize and automate how changes to the code base are handled, and create a Continuous Integration process that makes the transition to work in a team possible without having to make funda...

Is there a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent? ...

I am just wondering, if I want to divide a by b, and am interested both in the result c and the remainder (e.g. say I have number of seconds and want to split that into minutes and seconds), what is the best way to go about it? ...

I started learning Java. When would I use a HashMap over a TreeMap? 8 Answers 8 ...

I've been working on a web app using Django, and I'm curious if there is a way to schedule a job to run periodically. 24 A...

I would like to merge two DataFrames , and keep the index from the first frame as the index on the merged dataset. However, when I do the merge, the resulting DataFrame has integer index. How can I specify that I want to keep the index from the left data frame? ...

Let's say I have the following local repository with a commit tree like this: 20 Answers ...

Is there a way to rename a dictionary key, without reassigning its value to a new name and removing the old name key; and without iterating through dict key/value? In case of OrderedDict, do the same, while keeping that key's position. ...

Which is the best data structure that can be used to implement a binary tree in Python? 18 Answers ...