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What is the meaning of “this” in Java?
...d is required. If i add the main method, then I have to call from there. And any attempt to call frobnicate() inside main says that you can't call a non-static reference from inside a static one. And removing static from main returns the error again that no main method i s found. Please explain.
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Can I get “&&” or “-and” to work in PowerShell?
...ogle Search, but the best I've found is this article which says to use -and .
11 Answers
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Best practices for adding .gitignore file for Python projects? [closed]
I'm trying to collect some of my default settings, and one thing I realized I don't have a standard for is .gitignore files. There's a great thread showing a good .gitignore for Visual Studio projects , but I don't see many recommendations for Python and related tools (PyGTK, Django).
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Deserialize JSON with C#
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It is important to note that the setters for the id and name properties must be left public. If they are set to private or protected, the deserialization will execute without error but all data will be null.
– Isaac Zais
Feb 19 '15 at 17:...
Can I make the foreign key field optional in Django model
... database to allow NULL values for that field. The exception is CharFields and TextFields, which in Django are never saved as NULL. Blank values are stored in the DB as an empty string ('').
– fang_dejavu
Jun 20 '16 at 18:32
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Getting ssh to execute a command in the background on target machine
...w do you use ssh in a shell script? question. If I want to execute a command on the remote machine that runs in the background on that machine, how do I get the ssh command to return? When I try to just include the ampersand (&) at the end of the command it just hangs. The exact form of the comm...
Can I have onScrollListener for a ScrollView?
I am using a HorizontalScrollView in a layout and I need to identify the user have reached the start and end point of the scroll.
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Is JavaScript's “new” keyword considered harmful?
... question , a user pointed out that the new keyword was dangerous to use and proposed a solution to object creation that did not use new . I didn't believe that was true, mostly because I've used Prototype, Scriptaculous and other excellent JavaScript libraries, and everyone of them used the new...
Mvn install or Mvn package
...ing-started/maven-in-five-minutes.html
package: take the compiled code and package it in its distributable
format, such as a JAR.
install: install the package into the local repository, for use as a
dependency in other projects locally
So the answer to your question is, it depends on ...
How do I remove lines between ListViews on Android?
...istView().setDivider(null);
getListView().setDividerHeight(0);
developer.android.com # ListView
Or, if you want to do it in XML:
android:divider="@null"
android:dividerHeight="0dp"
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