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Loop through all the files with a specific extension
I want to loop through each file in the current folder and check if it matches a specific extension. The code above doesn't work, do you know why?
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How to Import .bson file format on mongodb
...base on the server using mongodump command and dump is stored in .bson file. I need to import that in my local server using mongorestore command. However it's not working. What is the correct mongorestore command and what are the other tools to restore db ?
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How to get Sinatra to auto-reload the file after each change?
...rs (and, maybe some sinatra server configuration commands), but not custom files, which you have to reload manually.
UPD after 9 years: seems like it is already possible to reload other files using also_reload, dont_reload and after_reload -- https://github.com/sinatra/sinatra/pull/1150
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How do I force files to open in the browser instead of downloading (PDF)?
Is there a way to force PDF files to open in the browser when the option "Display PDF in browser" is unchecked?
13 Answers
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
... In Java 8, returning Optional<T> (called Maybe<T>, etc. in other languages) is an option as well. This clearly indicates to the caller that returning nothing is a possibility, and won't compile if the caller hasn't handled that possibility, as opposed to null, which (in Java ...
When to use a Content Provider
...e access to a singleton instance (the ContentResolver) to perform queries, etc. Of course you could implement your own Loader to use for your SQLite database... of course you could implement access to a single database instance across the entire application... and of course a ContentProvider isn't r...
Android adding simple animations while setvisibility(view.Gone)
...l kinds of events. Like when the animation starts, when it ends or repeats etc. By using the abstract class AnimatorListenerAdapter you don't have to implement all callbacks of AnimatorListener at once but only those you need. This makes the code more readable. For example the following code fades o...
BASH copy all files except one
I would like to copy all files out of a dir except for one named Default.png. It seems that there are a number of ways to do this. What seems the most effective to you?
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Ruby 'require' error: cannot load such file
I've one file, main.rb with the following content:
13 Answers
13
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Remove an Existing File from a Git Repo
...t to give the full answer all at once:
from klemens: You need to add the file to your .gitignore file somewhere above the undesired file in the repo. i.e.
$ cd
$ cat >> .gitignore
development.log
C-d
from m. narebski: You then need to remove the file from the repo by executing "git rm --ca...