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Inject errors into already validated form?
...rm.add_error() instead of accessing form._errors directly.
Documentation: https://docs.djangoproject.com/en/stable/ref/forms/api/#django.forms.Form.add_error
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JavaScript math, round to two decimal places [duplicate]
...nd 2 decimals.
Example: http://jsfiddle.net/calder12/tv9HY/
Documentation: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid this:
var discount = +((price / listprice).toFixed(2...
Drawing text to with @font-face does not work at the first time
...document.getElementsByTagName('head')[0].appendChild(link);
// Trick from https://stackoverflow.com/questions/2635814/
var image = new Image();
image.src = link.href;
image.onerror = function() {
ctx.font = '50px "Vast Shadow"';
ctx.textBaseline = 'top';
ctx.fillText('Hello!', 20, 10);
...
Hidden features of mod_rewrite
...ml$ http://google.com [R=302]
Forcing SSL
RewriteEngine on
RewriteCond %{HTTPS} off
RewriteRule ^(.*)$ https://example.com/$1 [R,L]
Common flags:
[R] or [redirect] - force a redirect (defaults to a 302 temporary redirect)
[R=301] or [redirect=301] - force a 301 permanent redirect
[L] or [last] ...
Django self-referential foreign key
...lass CategoryModel(models.Model):
parent = models.ForeignKey('self')
https://docs.djangoproject.com/en/dev/ref/models/fields/#foreignkey
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Syntax highlighting for Jade in Sublime Text 2?
...ports Textmate syntax definition files. There is a Jade Textmate bundle at https://github.com/miksago/jade-tmbundle.
Install by creating a new folder in your Sublime Text "Packages" folder, call the new folder Jade, then curl -O https://raw.github.com/miksago/jade-tmbundle/master/Syntaxes/Jade.tmL...
How do I find a list of Homebrew's installable packages?
...out the package in question.
You can also search http://searchbrew.com or https://brewformulas.org (both sites do basically the same thing)
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How do I clone a github project to run locally?
...cified directory use "git clone [url] [directory]". For example
git clone https://github.com/ryanb/railscasts-episodes.git Rails
will create a directory named "Rails" and place it in the new directory. Click here for more information.
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Refreshing web page by WebDriver when waiting for specific condition
... to get it work. Here they are :
Using sendKeys.Keys method
driver.get("https://accounts.google.com/SignUp");
driver.findElement(By.id("firstname-placeholder")).sendKeys(Keys.F5);
Using navigate.refresh() method
driver.get("https://accounts.google.com/SignUp");
driver.navigate().refresh();
U...
If I have ACCESS_FINE_LOCATION already, can I omit ACCESS_COARSE_LOCATION?
...
https://developer.android.com/guide/topics/location/strategies.html#Permission
Note: If you are using both NETWORK_PROVIDER and GPS_PROVIDER, then you need to request only the ACCESS_FINE_LOCATION permission, because it i...