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What is a “surrogate pair” in Java?
...ode units are used. Since 16 bits can only contain the range of characters from 0x0 to 0xFFFF, some additional complexity is used to store values above this range (0x10000 to 0x10FFFF). This is done using pairs of code units known as surrogates.
The surrogate code units are in two ranges known as "...
Hide all warnings in ipython
...g viewers, I want to disable all warnings emitted by warnings.warn calls from different packages. Is there a way to configure the ipythonrc file to automatically disable all such warnings?
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What does java:comp/env/ do?
...he following structure for the "env"
namespace.
So the binding you did from spring or, for example, from a tomcat context descriptor go by default under java:comp/env/
For example, if your configuration is:
<bean id="someId" class="org.springframework.jndi.JndiObjectFactoryBean">
<p...
Scrollview vertical and horizontal in android
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but how to get the scroll thumb size and scroll position from bottom vertical and from right in horizontal mode
– Ravi
May 6 '13 at 4:42
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Python Empty Generator Function
... Python 3.3 and above (as suggested by DSM), this:
def empty():
yield from ()
The presence of the yield keyword makes it clear at the briefest glance that this is just another generator function, exactly like all the others. It takes a bit more time to see that the iter(()) version is doing t...
Python - When to use file vs open
...ction that will return a file object.
In python 3.0 file is going to move from being a built-in to being implemented by multiple classes in the io library (somewhat similar to Java with buffered readers, etc.)
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Is there a WebSocket client implemented for Python? [closed]
...a WebSocket client in python, more exactly I need to receive some commands from XMPP in my WebSocket server.
5 Answers
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Difference between >>> and >>
...sent a signed number; it simply moves everything to the right and fills in from the left with 0s. Shifting our -2 right one bit using logical shift would give 01111111.
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Why is arr = [] faster than arr = new Array?
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Further expanding on previous answers...
From a general compilers perspective and disregarding VM-specific optimizations:
First, we go through the lexical analysis phase where we tokenize the code.
By way of example, the following tokens may be produced:
[]: ARRA...
I want my android application to be only run in portrait mode?
... @Twinone: How about when different activities want to inherit from different subclasses of Activity, like one activity extends from ListActivity while others extend simply from Activity?
– RestInPeace
Jun 15 '14 at 21:50
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