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How can I get the full/absolute URL (with domain) in Django?
...com'
TEMPLATE_CONTEXT_PROCESSORS = (
...
'myapp.context_processors.extra_context',
)
# settings.py (Django >= 1.9)
TEMPLATES = [
{
'BACKEND': 'django.template.backends.django.DjangoTemplates',
'DIRS': [],
'APP_DIRS': True,
'OPTIONS': {
'cont...
List Git aliases
...on the answer by johnny. It applies if you're not using git-alias from git-extras.
On Linux, run once:
git config --global alias.alias "! git config --get-regexp ^alias\. | sed -e s/^alias\.// -e s/\ /\ =\ /"
This will create a permanent git alias named alias which gets stored in your ~/.gitconf...
Instance variables vs. class variables in Python
...f time savings.
However, if you insist on class attributes, you need that extra lookup. Or, your other alternative is to refer to the object via the class instead of the instance, e.g., MyController.path instead of self.path. That's a direct lookup which will get around the deferred lookup, but as ...
Error in Swift class: Property not initialized at super.init call
...out this safety check 1.
Like in this sample
class Shape {
var name: String
var sides : Int
init(sides:Int, named: String) {
self.sides = sides
self.name = named
}
}
class Triangle: Shape {
var hypotenuse: Int
init(hypotenuse:Int) {
super.init(sides...
How to set tbody height with overflow scroll
... </tr>
<tr>
<td>February. An extra long string.</td>
<td>AAA</td>
<td><span>Invite | Delete</span></td>
</tr>
<tr>
<td>March</td>
<td>AAA</t...
boost Composite keys - C/C++ - 清泛网 - 专注C/C++及内核技术
...site_key, as shown in the example:
struct phonebook_entry
{
std::string family_name;
std::string given_name;
std::string phone_number;
phonebook_entry(
std::string family_name,
std::string given_name,
std::string phone_number):
family_name(family_name),given_...
Is the != check thread safe?
...It is not sufficient. In fact, in the absence of synchronization (and the extra "happens before" relationships that imposes), the optimization is valid,
– Stephen C
Aug 28 '13 at 9:49
...
How can I remove the first line of a text file using bash/sed script?
...
I get error: unterminated transform source string
– Daniel Kobe
Dec 1 '15 at 4:16
10
...
When to use std::size_t?
... something so it's natural to use it, for example, getting the length of a string and then processing each character:
for (size_t i = 0, max = strlen (str); i < max; i++)
doSomethingWith (str[i]);
You do have to watch out for boundary conditions of course, since it's an unsigned type. The ...
Get exception description and stack trace which caused an exception, all as a string
...2, in raise_error
RuntimeError: something bad happened!
Getting just the string
If you really just want the string, use the traceback.format_exc function instead, demonstrating logging the string here:
import traceback
try:
do_something_that_might_error()
except Exception as error:
just_...