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What is a difference between
...(In both cases E itself is okay.)
So the constructor uses the ? extends E form so it guarantees that when it fetches values from the collection, they will all be E or some subclass (i.e. it's compatible). The drainTo method is trying to put values into the collection, so the collection has to have ...
How to re-raise an exception in nested try/except blocks?
...n type, value, and traceback in local variables and use the three-argument form of raise:
try:
something()
except SomeError:
t, v, tb = sys.exc_info()
try:
plan_B()
except AlsoFailsError:
raise t, v, tb
...
How to get the source directory of a Bash script from within the script itself?
...h possibilities.
To understand how it works, try running this more verbose form:
#!/bin/bash
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink
TARGET="$(readlink "$SOURCE")"
if [[ $TARGET == /* ]]; then
echo "SOURCE '$SOURCE' is an...
What is the maximum possible length of a query string?
... is no limit to the length of a query string (section 3.2.1). RFC 3986 (Uniform Resource Identifier — URI) also states there is no limit, but indicates the hostname is limited to 255 characters because of DNS limitations (section 2.3.3).
While the specifications do not specify any maximum length,...
How do I convert between big-endian and little-endian values in C++?
...
Calling the intrinsics instead of rolling your own gives you the best performance and code density btw..
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How to call any method asynchronously in c#
...
public partial class MainForm : Form
{
Image img;
private void button1_Click(object sender, EventArgs e)
{
LoadImageAsynchronously("http://media1.santabanta.com/full5/Indian%20%20Celebrities(F)/Jacqueline%20Fernandez/jacqueline-fe...
Safari 3rd party cookie iframe trick no longer working?
... with redirect headers? Or do you need the popup so that the user has some form of direct contact with the server?
– Anthony Hastings
May 25 '12 at 13:53
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Golang production web application configuration
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...
Single Line Nested For Loops
...
The best source of information is the official Python tutorial on list comprehensions. List comprehensions are nearly the same as for loops (certainly any list comprehension can be written as a for-loop) but they are often faster than using a fo...
How does this milw0rm heap spraying exploit work?
...t's binary data encoded as a string, which JavaScript is decoding.
Common form of XSS also.
You can see all the encoding tricks here:
http://www.owasp.org/index.php/Category:OWASP_CAL9000_Project
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