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How to sort a list/tuple of lists/tuples by the element at a given index?
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In order to sort a list of tuples (<word>, <count>), for count in descending order and word in alphabetical order:
data = [
('betty', 1),
('bought', 1),
('a', 1),
('bit', 1),
('of', 1),
('butter', 2),
('but', 1),
('...
MVC (Laravel) where to add logic
...return data and this is not the place to put validations, call db methods, etc..
Models: Is this a good place to add logic like sending an welcome email when a user registers or update the vote count of a post? What if you need to send the same email from another place in your code? Do you create ...
How to get values from IGrouping
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Isn't that the same as a normal "orderBy"? List<smth> newList = list .OrderBy(x => x.id).ToList();
– MorgoZ
Apr 22 '16 at 11:42
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Why doesn't Java offer operator overloading?
...plexNumber.equals to have it return a random value, modify the operands... etc. etc. etc..
In Java, as in C++, or whatever language, the programmer must respect a minimum of semantics when writing code. This means implementing a add function that adds, and Cloneable implementation method that clone...
Mongod complains that there is no /data/db folder
...this:
First check what user and group your mongo user has:
# grep mongo /etc/passwd
mongod:x:498:496:mongod:/var/lib/mongo:/bin/false
You should have an entry for mongod in /etc/passwd , as it's a daemon.
sudo chmod 0755 /data/db
sudo chown -R 498:496 /data/db # using the user-id , group-id
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uwsgi invalid request block size
... In Nginx configuration file we may want to use this: include /etc/nginx/uwsgi_params; uwsgi_pass django_upstream;
– mennanov
Feb 3 '15 at 18:04
4
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How to handle many-to-many relationships in a RESTful API?
...who referred them to that team, who their coach is/was while on that team, etc etc.
REST depends on caching for efficiency, which requires some consideration for cache atomicity and invalidation. If you POST a new entity to /teams/3/players/ that list will be invalidated, but you don't want the alte...
SQLAlchemy: What's the difference between flush() and commit()?
...the remote server. It turns out that due to the way sqlalchemy is written, order of operations when committing is not guaranteed. This resulted in adding a duplicate version (before attempting to delete the old one), which resulted in the DB failing a unique constraint. To get around this I used flu...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
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修改后不要忘记了重启网络服务
service network restart
3、/etc/hosts
127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
192.168.8.106 redhat #新增加
/etc/redhat-r...
Group vs role (Any real difference?)
...in beta (like a role) or the users in beta are in alpha (like a group). In order to make terminology like "includes" and visual elements like tree views unambiguous, most rbac systems require you to specify whether the collection at issue is a "group" or a "role" at least for the sake of discussion....