错误：[XSException] lib/XS.php(2447): Unknown internal error(S#600)
xkcd style graphs in MATLAB
...
I see two ways to solve this: The first way is to add some jitter to the x/y coordinates of the plot features. This has the advantage that you can easily modify a plot, but you have to draw the axes yourself if you want to have them xkcdyfied (see @Rody Oldenhuis' solution). The s...
How do I concatenate two lists in Python?
...
The following won't:
res = [*l, *r]
because it will first unpack the contents of the iterables and then simply create a list from the contents.
share
|
improve this answer
|
...
Django : How can I see a list of urlpatterns?
...password_change/
admin/password_change/done/
admin/jsi18n/
admin/r/<int:content_type_id>/<path:object_id>/
admin/auth/group/
admin/auth/group/add/
admin/auth/group/autocomplete/
admin/auth/group/<path:object_id>/history/
admin/auth/group/<path:object_id>/delete/
admin/auth/gr...
Can two applications listen to the same port?
Can two applications on the same machine bind to the same port and IP address? Taking it a step further, can one app listen to requests coming from a certain IP and the other to another remote IP?
I know I can have one application that starts off two threads (or forks) to have similar behavior, but...
how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?
Some SQL servers have a feature where INSERT is skipped if it would violate a primary/unique key constraint. For instance, MySQL has INSERT IGNORE .
...
jQuery checkbox checked state changed event
...function onH1Clicked() {
alert($(this).tm>ex m>t());
}
// simulate added content
var title = 2;
function generateRandomArticle(title) {
$postList.append('<article class="post"><h1>Title ' + title + '</h1></article>');
}
setTimeout(generateRandomArticle.bind(null,...
Action bar navigation modes are deprecated in Android L
... for the Toolbar widget:
A standard toolbar for use within application content.
A Toolbar is a generalization of action bars for use within
application layouts. While an action bar is traditionally part of an
Activity's opaque window decor controlled by the framework, a Toolbar
may be...
Mixin vs inheritance
What is the difference between a mixin and inheritance?
8 Answers
8
...
Value of i for (i == -i && i != 0) to return true in Java
...
The only int value for which it works is Integer.MIN_VALUE.
It's because integers are negated using the two's complement way.
Using
System.out.println(Integer.toBinaryString(Integer.MIN_VALUE));
you see that Integer.MIN_VALUE is
10000000000000000000000000000000
Taki...
List passed by ref - help me m>ex m>plain this behaviour
... an method, only methods which are available on that object can modify the contents of object.
For m>ex m>ample List.sort() method changes List contents but if you assign some other object to same variable, that assignment is local to that method. That is why myList remains unchanged.
If we pass object o...