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Creating default object from empty value in PHP?
...$res = NULL;
$res->success = false; // Warning: Creating default object from empty value
PHP will report a different error message if $res is already initialized to some value but is not an object:
$res = 33;
$res->success = false; // Warning: Attempt to assign property of non-object
In o...
How can I String.Format a TimeSpan object with a custom format in .NET?
...self must be escaped unless you're using a verbatim string).
This excerpt from the MSDN Custom TimeSpan Format Strings page explains about escaping the ":" and "." characters in a format string:
The custom TimeSpan format specifiers do not include placeholder separator symbols, such as the symb...
Building executable jar with maven?
...the assembly generated by assembly:assembly and should contain the classes from the current module and its dependencies (if you used the descriptor jar-with-dependencies).
I get an error when I double-click on the first jar:
Could not find the main class: com.gorkwobble.logmanager.LogManager. Progr...
Getting hold of the outer class object from the inner class object
...he JLS as Qualified this.
I don't think there's a way to get the instance from outside the code of the inner class though. Of course, you can always introduce your own property:
public OuterClass getOuter() {
return OuterClass.this;
}
EDIT: By experimentation, it looks like the field holding...
Cache busting via params
...ates a query string, and the browser will therefore think it is a new path from, say, ?v=1.0. Thus causing it to load from file, not from cache. As you want.
And, the browser will assume that the source will stay the same next time you call ?v=1.123 and should cache it with that string. So it will...
How to convert a string of bytes into an int?
...
In Python 3.2 and later, use
>>> int.from_bytes(b'y\xcc\xa6\xbb', byteorder='big')
2043455163
or
>>> int.from_bytes(b'y\xcc\xa6\xbb', byteorder='little')
3148270713
according to the endianness of your byte-string.
This also works for bytestring-in...
Get local IP address
...lowing effect: it sets the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields. This includes checking the existence of the route to the destination according to the system's r...
AngularJS : Differences among = & @ in directive scope? [duplicate]
...lly a simple example will clarify it. First, let's separate model bindings from behaviors.
Here is a fiddle that should help tie things together: http://jsfiddle.net/jeremylikness/3pvte/
And explained ... if your directive looks like this:
<my-directive target="foo"/>
Then you have th...
Can you give a Django app a verbose name for use throughout the admin?
...comment to OP, this is now possible out of the box since Django 1.7
Taken from the docs:
# in yourapp/apps.py
from django.apps import AppConfig
class YourAppConfig(AppConfig):
name = 'yourapp'
verbose_name = 'Fancy Title'
then set the default_app_config variable to YourAppConfig
# in...
Getting the docstring from a function
...
Interactively, you can display it with
help(my_func)
Or from code you can retrieve it with
my_func.__doc__
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