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How to set variables in HIVE scripts
...where day >= ${hiveconf:CURRENT_DATE}
similarly, you could pass on command line:
% hive -hiveconf CURRENT_DATE='2012-09-16' -f test.hql
Note that there are env and system variables as well, so you can reference ${env:USER} for example.
To see all the available variables, from the command line, ...
`staticmethod` and `abc.abstractmethod`: Will it blend?
In my Python app I want to make a method that is both a staticmethod and an abc.abstractmethod . How do I do this?
4 Ans...
How do I replace NA values with zeros in an R dataframe?
I have a data frame and some columns have NA values.
21 Answers
21
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Source code highlighting in LaTeX
...TeX. The package listings seems to be the best choice for most use-cases and for me it was, until now.
3 Answers
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How do I use Node.js Crypto to create a HMAC-SHA1 hash?
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And to verify a hash, you should use crypto.timingSafeEqual(Buffer.from(a), Buffer.from(b)): stackoverflow.com/questions/31095905/…
– baptx
Aug 2 '19 at 15:19
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How to link a folder with an existing Heroku app
I have an existing Rails app on GitHub and deployed on Heroku. I'm trying to set up a new development machine and have cloned the project from my GitHub repository. However, I'm confused as to how to link this folder up to Heroku. Originally, I used the heroku create command, but obviously I don't...
Error TF30063: You are not authorized to access … \DefaultCollection
...most of my projects. When I use my on-premises TFS after using TFS preview and go back to using TFS preview, I get this error:
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bash HISTSIZE vs. HISTFILESIZE?
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Short answer:
HISTSIZE is the number of lines or commands that are stored in memory in a history list while your bash session is ongoing.
HISTFILESIZE is the number of lines or commands that (a) are allowed in the history file at startup time of a session, and (b) are stored i...
How often to commit changes to source control? [closed]
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Anytime I complete a "full thought" of code that compiles and runs I check-in. This usually ends up being anywhere between 15-60 minutes. Sometimes it could be longer, but I always try to checkin if I have a lot of code changes that I wouldn't want to rewrite in case of failure. I a...
How to insert an element after another element in JavaScript without using a library?
...arent element, that's fine, because referenceNode.nextSibling will be null and insertBefore handles that case by adding to the end of the list.
So:
function insertAfter(newNode, referenceNode) {
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
}
You can test it us...