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Automatically import modules when entering the python or ipython interpreter
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Use the environment variable PYTHONSTARTUP. From the official documentation:
If this is the name of a readable file, the Python commands in that
file are executed before the first prompt is displayed in interactive
mode. The file is executed in the same namespa...
Passing multiple variables in @RequestBody to a Spring MVC controller using Ajax
...ngfox etc) probably will not be able to parse your request/response schema from your source code.
– stratovarius
Nov 15 '18 at 9:30
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Installing libv8 gem on OS X 10.9+
...ibv8 in your Gemfile (or) a bundle update should suffice. Hope this helps.
From the libv8 README
Bring your own V8
Because libv8 is the interface for the V8 engine used by therubyracer, you may need to use libv8, even if you have V8 installed already. If you wish to use your own V8 installation, rat...
“Too many values to unpack” Exception
... error, I run it on python prompt it is running, but while taking response from web it gives me this exception. can you please suggest whats going wrong.
– MegaBytes
Jan 10 '15 at 8:03
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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...
C# - how to determine whether a Type is a number
...: do not use the suggested optimization! I looked at the IL code generated from such a switch, and noted that the compiler already applies the optimization (in IL 5 is subtracted from the type code and then values from 0 to 10 are considered true). Hence the switch should be used for it's more reada...
how to draw smooth curve through N points using javascript HTML5 canvas?
... With this algorithm is each successive curve meant to start from the previous curves end point?
– Lee Brindley
Dec 4 '13 at 5:31
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Why should a Java class implement comparable?
...t<Author> listAuthors(){
List<Author> authors = readAuthorsFromFileOrSomething();
Collections.sort(authors);
return authors;
}
/**
* List unique authors. Sort them by name so it will look good.
*/
public SortedSet<Author> listUniqueAuthors(){
List<Author> a...
How to cast an Object to an int
...that this object is an Integer :
int i = (Integer) object;
Or, starting from Java 7, you can equivalently write:
int i = (int) object;
Beware, it can throw a ClassCastException if your object isn't an Integer and a NullPointerException if your object is null.
This way you assume that your Obj...
Determining type of an object in ruby
...erm in the Ruby world, is to call object.class.
Since classes can inherit from other classes, if you want to determine if an object is "of a particular type" you might call object.is_a?(ClassName) to see if object is of type ClassName or derived from it.
Normally type checking is not done in Ruby,...