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Determine if Android app is being used for the first time
I am currently developing an android app. I need to do something when the app is launched for the first time, i.e. the code only runs on the first time the program is launched.
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How would I get a cron job to run every 30 minutes?
...to add a crontab entry to execute a script every 30 minutes, on the hour and 30 minutes past the hour or something close. I have the following, but it doesn't seem to run on 0.
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What is the difference between Class and Klass in ruby?
What is the difference between Class and Klass?
4 Answers
4
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Declaring an enum within a class
...is declared within the Car class in order to limit the scope of the enum and to try not to "pollute" the global namespace.
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how do you filter pandas dataframes by multiple columns
... filter a dataframe (df) by a single column, if we consider data with male and females we might:
6 Answers
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Git push/clone to new server
I'm just learning Git and there is something I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
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Using bitwise OR 0 to floor a number
...in some cases?
Clarity is an obvious one, since we had to figure it out, and well,
I'm writting this question.
Will not pass jsLint.
32-bit signed integers only
Odd Comparative behavior: Math.floor(NaN) === NaN, while (NaN | 0) === 0
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How do I setup a SSL certificate for an express.js server?
...correct signature. connect() is simply an alias for connect.createServer() and therefore so is express() (which probably does some extra initialization, but the result is still a function appropriate for use as a request handler).
– ebohlman
Aug 6 '12 at 1:08
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How to get the parents of a Python class?
...cked when resolving a method (or, actually, any other attribute -- methods and other attributes live in the same namespace in Python, after all;-).
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Why is git push gerrit HEAD:refs/for/master used instead of git push origin master
I've just started using gerrit and I want to know why we need to do git push gerrit HEAD:refs/for/master instead of doing git push origin master
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