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How to remove a field from params[:something]
...hash from scratch. This is why @Gaul said it is a bad idea. In Rails 5 you now have params.except method and also extract!
– rmcsharry
Sep 26 '16 at 21:05
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How do I add more members to my ENUM-type column in MySQL?
... of countries which would make for a rather large and awkward enum.
EDIT: Now that I can see your error message:
ERROR 1265 (01000): Data truncated for column 'country' at row 1.
I suspect you have some values in your country column that do not appear in your ENUM. What is the output of the follo...
displayname attribute vs display attribute
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Good to know! Was about to implement a custom attribute to load the display value from the .resx file, then happened on this question. Display attribute is the way to go when developing localized applications.
– ...
How to detect if multiple keys are pressed at once using JavaScript?
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Note: keyCode is now deprecated.
Multiple keystroke detection is easy if you understand the concept
The way I do it is like this:
var map = {}; // You could also use an array
onkeydown = onkeyup = function(e){
e = e || event; // to deal w...
When should I use Memcache instead of Memcached?
...s named memcache and memcached . What is the difference and how do you know which one to use? Is one outdated? It seems that memcached offers more methods so I would assume that means it has had the most development - but it also seems to require external C/C++ libraries so I'm not sure if I ca...
Get elements by attribute when querySelectorAll is not available without using libraries?
...ment.querySelectorAll('[someAttr]')
to find elements by attribute. It's now supported in all relevant browsers (even IE8): http://caniuse.com/#search=queryselector
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Can I use view pager with views (not with fragments)
... me a lot... i extended PageAdapter instead of FragmentPageAdapter........ now its work fine.....
– ranjith
Sep 10 '13 at 4:39
3
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How to simulate the environment cron executes a script with?
...e, turn it back off, then run
env - `cat ~/cronenv` /bin/sh
And you are now inside a sh session which has cron's environment
Bring your environment to cron
You could skip above exercise and just do a . ~/.profile in front of your cron job, e.g.
* * * * * . ~/.profile; your_command
Use screen
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What does “use strict” do in JavaScript, and what is the reasoning behind it?
...rs, by detecting more things that could lead to breakages.
Strict mode is now supported by all major browsers.
Inside native ECMAScript modules (with import and export statements) and ES6 classes, strict mode is always enabled and cannot be disabled.
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Django: How to completely uninstall a Django app?
...py makemigrations -n drop_all_tables my_app_to_remove
The directory looks now like this:
my_app_to_remove/
my_app_to_remove/__init__.py
my_app_to_remove/migrations
my_app_to_remove/migrations/0001_initial.py
my_app_to_remove/migrations/....
my_app_to_remove/migrations/0030_drop_all_tables.py
my_ap...