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How to concatenate strings with padding in sqlite
... the two strings of
its operands.
From http://www.sqlite.org/lang_expr.html
For padding, the seemingly-cheater way I've used is to start with your target string, say '0000', concatenate '0000423', then substr(result, -4, 4) for '0423'.
Update: Looks like there is no native implementation of "l...
What is the difference between functional and non functional requirement? [closed]
... Life cycle processes -- Requirements engineering" (iso.org/standard/72089.html)
– logoff
Jul 26 '19 at 13:20
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Angular ng-if=“” with multiple arguments
...arify, be aware bracket placement is important!
These can be added to any HTML tags... span, div, table, p, tr, td etc.
AngularJS
ng-if="check1 && !check2" -- AND NOT
ng-if="check1 || check2" -- OR
ng-if="(check1 || check2) && check3" -- AND/OR - Make sure to use brackets
Angula...
Using socket.io in Express 4 and express-generator's /bin/www
...ttp requests. maybe read this article enterprisewebbook.com/ch8_websockets.html
– Unispaw
May 10 '16 at 19:41
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How do I iterate through table rows and cells in JavaScript?
If I have an HTML table...say
9 Answers
9
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How to check if there exists a process with a given pid in Python?
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Supported by windows now. docs.python.org/library/os.html?highlight=os.kill#os.kill
– michael
Jun 8 '11 at 17:24
15
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Retrieve list of tasks in a queue in Celery
...to celery:
Doc: http://docs.celeryproject.org/en/latest/userguide/workers.html?highlight=revoke#inspecting-workers
$ celery inspect reserved
$ celery inspect active
$ celery inspect registered
$ celery inspect scheduled
Also if you are using Celery+RabbitMQ you can inspect the list of queues usi...
Require returns an empty object
...ule object
For more info, here's the docs: http://nodejs.org/api/modules.html
If its possible to dynamically add that schema to one of those ActiveRecord objects, that's one way to solve this. This is actually kind of a tricky situation. In fact, even without the module system, this would cause p...
Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
server_name foo.com;
root /path/to/root;
index index.html index.htm index.php;
location / {
try_files $uri $uri/ /index.php$is_args$args;
}
location ~ \.php$ {
set $phoenix_key "";
set $phoenix_fetch_skip 1;
set $phoenix_st...
What does rake db:test:prepare actually do?
... and warns
you appropriately.
-- http://guides.rubyonrails.org/testing.html
Basically it handles cloning the database so you don't have to run the migrations against test to update the test database.
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