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What are the differences between Helper and Utility classes?
...ts more common.
A Utility class is understood to only have static methods and be stateless. You would not create an instance of such a class.
A Helper can be a utility class or it can be stateful or require an instance be created. I would avoid this if possible.
If you can make the name more spe...
Google Play on Android 4.0 emulator
How can I install the Google Play .apk onto my Android 4.0 emulator?
8 Answers
8
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How to use arguments from previous command?
I know that Esc + . gives you the last argument of the last command.
11 Answers
11...
Scala: write string to file in one statement
...ding-safe. If an exception happens in write(), close will never be called, and the file won't be closed. PrintWriter also uses the default system encoding, which is very bad for portability. And finally, this approach generates a separate class specifically for this line (however, given that Scala a...
“Width equals height” constraint in Interface Builder
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Update Xcode 5.1b5
Ctrl+click and drag from a view and release while the pointer is over the view. Select "Aspect Ratio". It will create a constraint where the first and second item is the view.
Before Xcode 5.1
You can't because the width/height edit...
IntelliJ and Tomcat.. Howto..?
... the local server to manage it.
In Netbeans it was "Install, write hit Run and it works"
How do I pull the same thing off in IntelliJ?
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What is the difference between 'content' and 'text'
... to do something without explaining the why . For instance, both r.text and r.content are shown as examples of how to get the server response. But where is it explained what these properties do? For instance, when would I choose one over the other? I see thar r.text returns a unicode obje...
How to download a file from server using SSH? [closed]
...edu:foobar.txt /local/dir
replacing the username, host, remote filename, and local directory as appropriate.
If you want to access EC2 (or other service that requires authenticating with a private key), use the -i option:
scp -i key_file.pem your_username@remotehost.edu:/remote/dir/foobar.txt /l...
How to avoid “RuntimeError: dictionary changed size during iteration” error?
...n you want to delete an object in inner dict. for example you have a dic A and dict B in dict A. if you want to delete object in dict B it occurs error
– Ali-T
Apr 18 at 6:35
1
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git status shows modifications, git checkout — doesn't remove them
...fix this, you should disable core.autocrlf, change all line endings to lf, and then enable it again. Or you can disable it altogether by doing:
git config --global core.autocrlf false
Instead of core.autocrlf, you can also consider using .gitattribute files. This way, you can make sure everyone usi...