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correct way to use super (argument passing)
...(arg = 10)? I don't like this method, I need to know the MRO in advance in order to use it. The other method where I write a "root class" that inherits from object seems much cleaner.
– cha0site
Jan 23 '12 at 14:20
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Checking for empty queryset in Django
...ist before the check is made. In my case execution time went down by three orders.
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How do I look inside a Python object?
...
I'd reverse that order.
– bayer
Jun 17 '09 at 10:19
5
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.net implementation of bcrypt
...slap a license on it and release it. The URL is:
http://zer7.com/software.php?page=cryptsharp
The Blowfish implementation behind it is a port of Bruce Schneier's public domain C implementation, and succeeds on all the official test vectors.
The BCrypt code I wrote myself based on the spec. I also...
Why unsigned integer is not available in PostgreSQL?
...se PostgreSQL int4 or int8 respectively, just remembering that the natural order or arithmetic won't work reliably. But storing and retrieving is unaffected by that.
Here is how I can implement a simple unsigned int8:
First I will use
CREATE TYPE name (
INPUT = uint8_in,
OUTPUT = uint...
Is inject the same thing as reduce in ruby?
...many other programming languages and in Mathematics. Ruby aliases a lot in order to be intuitive to programmers with different backgrounds. If you want to use #length on an Array, you can. If you want to use #size, that's fine too!
...
Determine Whether Two Date Ranges Overlap
...ndDates. Deriving this from above:
If start and end dates can be out of order, i.e., if it is possible that startA > endA or startB > endB, then you also have to check that they are in order, so that means you have to add two additional validity rules:
(StartA <= EndB) and (StartB <= ...
Basic HTTP and Bearer Token Authentication
...uld be like this:
location /api {
try_files $uri $uri/ /index.php?$query_string;
}
location / {
try_files $uri $uri/ /index.php?$query_string;
auth_basic "Enter password";
auth_basic_user_file /path/to/.htpasswd;
}
Authorization: Bearer will do th...
Asynchronous Process inside a javascript for loop [duplicate]
.../rejected when the asynchronous operation is complete. Also, note that in order to use await, the containing function must be declared async.
Run asynchronous operations in parallel and use Promise.all() to collect results in order
function someFunction() {
let promises = [];
for (let ...
What does the line “#!/bin/sh” mean in a UNIX shell script?
...execute the script.
e.g.
#!/usr/bin/perl <--perl script'
#!/usr/bin/php <-- php script
#!/bin/false <--- do-nothing script, because false returns immediately anyways.
It's implemented as a comment so that anything coming in that line will not "relevant" to the interpreter specified. e...