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What are Transient and Volatile Modifiers?
...d make sense in other contexts, so there is some justification for not forbidding it outright.)
The volatile modifier tells the JVM that writes to the field should always be synchronously flushed to memory, and that reads of the field should always read from memory. This means that fields marked a...
Determine when a ViewPager changes pages
I have three pages (Fragments) inside a ViewPager, however I only want to display a menu item for two of those pages.
5 Ans...
Class with Object as a parameter
...rties and super do not work with classic classes.
In Python2 it is a good idea to make all classes new-style classes. (Though a lot of classes in the standard library are still classic classes, for the sake of backward-compatibility.)
In general, in a statement such as
class Foo(Base1, Base2):
...
HTTP Basic Authentication - what's the expected web browser experience?
...
To help everyone avoid confusion, I will reformulate the question in two parts.
First : "how can make an authenticated HTTP request with a browser, using BASIC auth?".
In the browser you can do a http basic auth first by waiting the prompt to ...
Difference between os.getenv and os.environ.get
... os.putenv is broken, so you should default to os.environ.get simply to avoid the way os.getenv encourages you to use os.putenv for symmetry.
os.putenv changes the actual OS-level environment variables, but in a way that doesn't show up through os.getenv, os.environ, or any other stdlib way of insp...
How can I get jquery .val() AFTER keypress event?
... made a workaround for this, it's posted below.
– David Oliveros
Jan 26 '14 at 4:08
7
how who you...
How to get the parents of a Python class?
...
considering an object x, we can get the method resolution order with the call type(x).mro() we can consider if x has ClassX as a base class with: ClassX in type(x).mro()
– 648trindade
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JavaScript get window X/Y position for scroll
...to get the current viewable window's position (relative to the total page width/height) so I can use it to force a scroll from one section to another. However, there seems to be a tremendous amount of options when it comes to guessing which object holds the true X/Y for your browser.
...
What specifically are wall-clock-time, user-cpu-time, and system-cpu-time in UNIX?
...and 'now'.
The user-cpu time and system-cpu time are pretty much as you said - the amount of time spent in user code and the amount of time spent in kernel code.
The units are seconds (and subseconds, which might be microseconds or nanoseconds).
The wall-clock time is not the number of seconds th...
View a file in a different Git branch without changing branches
...nated:
git show branchA~10:fileA branchB^^:fileB
You do not have to provide the full path to the file, relative paths are acceptable e.g.:
git show branchA~10:../src/hello.c
If you want to get the file in the local directory (revert just one file) you can checkout:
git checkout somebranch^^^ ...