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String comparison in Python: is vs. == [duplicate]
...or all built-in Python objects (like
strings, lists, dicts, functions,
etc.), if x is y, then x==y is also
True.
Not always. NaN is a counterexample. But usually, identity (is) implies equality (==). The converse is not true: Two distinct objects can have the same value.
Also, is it g...
Difference between / and /* in servlet mapping url pattern
... overrides all other servlets, including all servlets provided by the servletcontainer such as the default servlet and the JSP servlet. Whatever request you fire, it will end up in that servlet. This is thus a bad URL pattern for servlets. Usually, you'd like to use /* on a Filter only. It is able t...
The identity used to sign the executable is no longer valid
...cert
Answer the prompted questions to sect your user, password, team, app, etc.
Open a terminal and type sigh
Answer the prompted questions to sect your user, password, team, app, etc.
Select the right profile in Code Signing Identity (iPhone Developer)
Conventional way:
Just go to the new provi...
Access Container View Controller from Parent iOS
...What if (horrors!) you decide to switch from storyboard or not use seques, etc. Then you have to dig up code make changes, etc.
– Tom Andersen
Apr 15 '15 at 20:23
2
...
How to check if a symlink exists
... just test to see if it exists regardless of type (file, directory, socket etc) then use -e
So if file is really file and not just a symbolic link you can do all these tests and
get an exit status whose value indicates the error condition.
if [ ! \( -e "${file}" \) ]
then
echo "%ERROR: file $...
apc vs eaccelerator vs xcache
...y.. but when he's talking about improvements that have been released back, etc.. that's probably Memcache. Unless they've done the same with apc.
– Evert
Mar 18 '10 at 5:40
...
Java Timer vs ExecutorService?
...oss other systems in a cluster and do things like one-off batch execution, etc...
Just look at what each offers to decide.
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Can I have multiple :before pseudo-elements for the same element?
... position: absolute;
content: "";
/* more styles: width, height, etc */
}
.circle:after {
position: absolute;
content: "";
/* more styles: width, height, etc */
}
.circle span {
/* not relative/absolute/fixed */
}
.circle span:before {
position: absolute;
content...
Using Laravel Homestead: 'no input file specified'
...
ssh vagrant@127.0.0.1 -p 2222
Then change your nginx config:
sudo vi /etc/nginx/sites-enabled/homestead.app
Edit the correct URI to the root on line 3 to this with the new folder name:
root "/Users/MYUSERNAME/Code/exampleproject/public";
Restart Nginx
sudo service nginx reload
Reload the...
Python + Django page redirect
... patterns('',
(r'^one/$', redirect_to, {'url': '/another/'}),
#etc...
)
There is more in the generic views documentation.
Credit - Carles Barrobés.
Update #2: Django 1.3+
In Django 1.5 redirect_to no longer exists and has been replaced by RedirectView. Credit to Yonatan
from django...