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How to overcome “datetime.datetime not JSON serializable”?
...ency on the libraries that your main library uses. If you can't accomplish what you need from mongoengine, then you drop down to pymongo. Its the same with Django MongoDB. With the later, you would try to stay within the django ORM to maintain backend agnostic state. But sometimes you can't do what ...
How to split data into training/testing sets using sample function
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I'm a little confused what guarantees this code returns a unique test and train df? It seems to work, don't get me wrong. Just having trouble understanding how subtracting the indices leads to unique observations. For instance, if you had a df wit...
How to get UITableView from UITableViewCell?
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Oh man, this is a brutal API change. What's apple's best practice for branching if you support both 6 and 7?
– Ryan Romanchuk
Sep 11 '13 at 7:23
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MongoDB and “joins” [duplicate]
I'm sure MongoDB doesn't officially support "joins". What does this mean?
11 Answers
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p vs puts in Ruby
... Kinda feel like this leaves me with a rabbit hole of questions. Whats inspect? Whats to_s? Why do I want to inspect printed text instead of a variable? Which is more standard for the world of programming, due to your mention of debugging, p or puts? Should all "p" be replaced with "puts" ...
How do I create a Java string from the contents of a file?
...acter encoding. There are some special cases where the platform default is what you want, but they are rare, and you should be able justify your choice.
The StandardCharsets class defines some constants for the encodings required of all Java runtimes:
String content = readFile("test.txt", StandardCh...
Set transparent background using ImageMagick and commandline prompt
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I am using ImageMagick 6.6.9-7 on Ubuntu 12.04.
What worked for me was the following:
convert test.png -transparent white transparent.png
That changed all the white in the test.png to transparent.
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Java - get the current class name?
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But what if the enclosing class is also an anonymous inner class? Don't you have to recursively get the enclosing class until it returns null, and use the last non-null class you got?
– Garret Wilson
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How to remove leading and trailing white spaces from a given html string?
I've the following HTML string. What would be sample code in JavaScript to remove leading and trailing white spaces from this string?
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Is there an onSelect event or equivalent for HTML ?
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@T.J.Crowder You are correct -- not sure what I was thinking when I wrote the second half. I've deleted the original comment and for the purpose of not confusing others, here is the original comment (please note that the first half is correct, and the second part is...