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How do I get the filepath for a class in Python?
...ermine which file the class was defined in? I need something that can work from either the class C, or from an instance off C.
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vim and NERD Tree extension - adding a file
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From vim you can run shell commands. So in this case I use:
:!touch somefile.txt
and then hit r to reload the nerdtree window.
The other thing to do is to just start the new file from within vim.
:e somefile.txt
One ...
Set environment variables from file of key/value pairs
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment?
33 Answers
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Are there any style options for the HTML5 Date picker?
... CSS4-UI wiki page lists a few appearance-related things that were dropped from CSS3-UI, but to be honest, there doesn't seem to be a great deal of interest in the CSS-UI module.
I think your best bet for cross browser development right now, is to implement pretty controls with JavaScript based in...
What does !! mean in ruby?
... thing that is it used for legitimately is preventing a huge chunk of data from being returned. For example you probably don't want to return 3MB of image data in your has_image? method, or you may not want to return your entire user object in the logged_in? method. Using !! converts these objects...
How to read multiple text files into a single RDD?
I want to read a bunch of text files from a hdfs location and perform mapping on it in an iteration using spark.
10 Answers...
After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31
... unable to open the Java Preferences App in El Captian, I went from System Preferences - > Java.
– Wolf7176
Aug 29 '16 at 14:54
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return, return None, and no return at all?
...re. return None is never used if there are no other possible return values from the function.
In the following example, we return person's mother if the person given is a human. If it's not a human, we return None since the person doesn't have a mother (let's suppose it's not an animal or something...
What does @hide mean in the Android source code?
...s and methods that are marked with the @hide Javadoc attribute.
Starting from Android 9 (API level 28), Google introduces new restrictions on the use of non-SDK interfaces, whether directly, via reflection, or via JNI. These restrictions are applied whenever an app references a non-SDK interface o...
What is the difference between the add and offer methods in a Queue in Java?
...added to collection the add method throws an exception and offer doesn't.
From: http://java.sun.com/j2se/1.5.0/docs/api/java/util/Collection.html#add%28E%29
If a collection refuses to add a
particular element for any reason
other than that it already contains
the element, it must throw an...