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Is it possible to stop JavaScript execution? [duplicate]
...vaScript in a way that it prevents any further JavaScript-based execution from occuring, without reloading the browser?
11...
System.currentTimeMillis vs System.nanoTime
...() gives you a nanosecond-precise time, relative to some arbitrary point.
From the Java Documentation:
public static long nanoTime()
Returns the current value of the most precise available system timer, in nanoseconds.
This method can only be used to
measure elapsed time and is not
...
Character reading from file in Python
...
Ref: http://docs.python.org/howto/unicode
Reading Unicode from a file is therefore simple:
import codecs
with codecs.open('unicode.rst', encoding='utf-8') as f:
for line in f:
print repr(line)
It's also possible to open files in update mode, allowing both reading and ...
How to analyze a java thread dump?
... explains what that waiting on means:
A lock prevents more than one entity from accessing a shared resource. Each object in Java™ has an associated lock (gained by using a synchronized block or method). In the case of the JVM, threads compete for various resources in the JVM and locks on Java obje...
Can a Windows batch file determine its own file name?
...sed, %0 will have that. If you cd into the dir first and execute the batch from there, %0 will usually not have the path info (but you could get that from %cd% in that case)
– Gogowitsch
Jul 9 '15 at 8:51
...
Grouping functions (tapply, by, aggregate) and the *apply family
...
@grautur I was actively pruning things from this answer to avoid it being (a) too long and (b) a re-write of the documentation. I decided that while aggregate, by, etc. are based on *apply functions, the way you approach using them is different enough from a users...
Why is a boolean 1 byte and not 1 bit of size?
...
From Wikipedia:
Historically, a byte was the number of
bits used to encode a single character
of text in a computer and it is
for this reason the basic addressable
element in many computer
architectures.
So by...
Trying to fix line-endings with git filter-branch, but having no luck
...hat you don't have any modified files, then you can do this as follows.
# From the root of your repository remove everything from the index
git rm --cached -r .
# Change the autocrlf setting of the repository (you may want
# to use true on windows):
git config core.autocrlf input
# Re-add all t...
Fastest way to get the first object from a queryset in django?
Often I find myself wanting to get the first object from a queryset in Django, or return None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the most performant.
...
Superiority of unnamed namespace over static?
...
You're basically referring to the section §7.3.1.1/2 from the C++03 Standard,
The use of the static keyword is
deprecated when declaring objects in a
namespace scope; the
unnamed-namespace provides a superior
alternative.
Note that this paragraph was already remov...