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Why an interface can not implement another interface?
...rovide interface not for implementation.
A 100% abstract class is functionally equivalent to an interface but it can also have implementation if you wish (in this case it won't remain 100% abstract), so from the JVM's perspective they are different things.
Also the member variable in a 100% abstra...
Convert SVG to PNG in Python
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as of 2014, for ubuntu, you can use: apt-get install python-rsvg
– t1m0
Sep 23 '14 at 14:11
1
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Show MySQL host via SQL Command
All good and well, but is it possible to show the current connections host.
Not connection_id, but the IP Address or Name of the host.
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Mark current Line, and navigate through marked lines
... on the menus to Preferences>Key Bindings - Default this is a file with all the default key bindings. Read the whole thing! (lots of goodies) Here is a cut and paste of the bookmarks info (linux), which should be self explanatory.
{ "keys": ["f2"], "command": "next_bookmark" },
{ "keys": ["shift...
Compare equality between two objects in NUnit
...Equal(LeftObject, RightObject);
Of course, this might mean you just move all the individual comparisons to the .Equals method, but it would allow you to reuse that implementation for multiple tests, and probably makes sense to have if objects should be able to compare themselves with siblings anyw...
Adding Permissions in AndroidManifest.xml in Android Studio?
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You can only type them manually, but the content assist helps you there, so it is pretty easy.
Add this line
<uses-permission android:name="android.permission."/>
and hit ctrl + space after the dot (or cmd + space on Mac). If you need an exp...
How to compare objects by multiple fields
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I Actually prefer the idea of using a single Comparator. I don't think this answer is wrong, but anyone reading it should definitely check Steve Kuo answer below.
– Felipe Leão
Nov 13 '14 at ...
SELECT DISTINCT on one column
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this is really useful case in any various duplication thank you
– ASLIM
Jan 13 at 8:08
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NodeJS require a global module/package
I'm trying to install globally and then use forever and forever-monitor like this:
8 Answers
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Boolean Field in Oracle
...anted to add a boolean field to an Oracle table. However, there isn't actually a boolean data type in Oracle. Does anyone here know the best way to simulate a boolean? Googling the subject discovered several approaches
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