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Navigation in django
... template
register = template.Library()
@register.tag
def active(parser, token):
args = token.split_contents()
template_tag = args[0]
if len(args) < 2:
raise template.TemplateSyntaxError, "%r tag requires at least one argument" % template_tag
return NavSelectedNode(args[...
How to do stateless (session-less) & cookie-less authentication?
...at this, but it could actually work - every request has a X-Authentication-Token header or something like that, and you map that to a database, file-store in memory, etc. on the backend to validate the user. This token can have a timeout of whatever time you specified, and if it times out, the user ...
Get JSON object from URL
..._get_contents('url_here');
$obj = json_decode($json);
echo $obj->access_token;
For this to work, file_get_contents requires that allow_url_fopen is enabled. This can be done at runtime by including:
ini_set("allow_url_fopen", 1);
You can also use curl to get the url. To use curl, you can use...
Padding characters in printf
...E has spaces unless they are already escaped. You'll get one line with two tokens each and then [UP] for every two space-separated tokens in your variable and then a single line at the end with your line text minus the total length of your input string. So be careful, since this could lead to intere...
Simple way to encode a string according to a password?
... Fernet.decrypt(), both the plaintext message to encrypt and the encrypted token are bytes objects.
encrypt() and decrypt() functions would look like:
from cryptography.fernet import Fernet
def encrypt(message: bytes, key: bytes) -> bytes:
return Fernet(key).encrypt(message)
def decrypt(t...
Uncaught SyntaxError: Unexpected token :
... in Firefox but in Chrome I am getting a Uncaught SyntaxError: Unexpected token : error, I cannot determine why. Commenting out code to determine where the bad code is yields nothing, I am thinking it may be a problem with the JSON being returned. Checking in the console I see the JSON returned is...
Do sessions really violate RESTfulness?
...in RESTful services)
authentication is done by sending an authentication token in the request, usually the header
this authentication token needs to be obtained somehow and may be revoked, in which case it needs to be renewed
the authentication token needs to be validated by the server (otherw...
Creating .pem file for APNS?
...he php script on my local web server (Xampp). I am able to get the device token , and i am using it in the php script. The php script is able to connect and send payload data. But still then i am not able to get the PUSH Notification. What is the problem ? Does the notifications take time to reach...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...eter in the replacement list, unless preceded
by a # or ## preprocessing token or followed by a ## preprocessing token (see below), is
replaced by the corresponding argument after all macros contained therein have been
expanded. Before being substituted, each argument’s preprocessing tokens ...
How to set the authorization header using curl
...send authentication for OAuth 2:
curl -H "Authorization: OAuth <ACCESS_TOKEN>" http://www.example.com
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