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How is the default submit button on an HTML form determined?
...oint about IE was that sometimes pressing Enter submits a form and doesn't set any submit button. A consequence is that, if you have multiple forms submitting to the same script, you can't rely on submit buttons to distinguish them. This came up in the project I'm working on.
...
$watch'ing for data changes in an Angular directive
...third parameter of the $watch function enables deep dirty checking if it's set to true.
Take note that deep dirty checking is expensive. So if you just need to watch the children array instead of the whole data variable the watch the variable directly.
scope.$watch('val.children', function(newValu...
UICollectionView auto scroll to cell at IndexPath
Before loading the collection view user sets the number of image in the array of collection view. All of the cells don't fit on the screen. I have 30 cells and only 6 on the screen.
...
RSpec controller testing - blank response.body
...
One of the ways to fix this is by making sure to enable the render_views setting in your rails_helper.rb file. In this way, you make it able to work globally in all your tests.
RSpec.configure do |config|
config.render_views
end
Or use render_views declaration an individual group:
describe ...
Inputting a default image in case the src attribute of an html is not valid?
...t;/title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<p>
<object data="http://stackoverflow.com/does-not-exist.png" type="image/png">
<img src="https://cdn.sstatic.net/Img/unified/sprites.svg?v=e5e58a...
Loop through Map in Groovy?
...
I use GGTS 3.2 and routinely set break points in closures (including "each" closures). The problem is using F6 to step through a closure, as it will go over the whole thing. Technically, you can hit F5 a bunch of times and eventually end up in there, but...
Ruby optional parameters
...et is to pass nil:
ldap_get(base_dn, filter, nil, X)
However, this will set the scope to nil, not LDAP::LDAP_SCOPE_SUBTREE.
What you can do is set the default value within your method:
def ldap_get(base_dn, filter, scope = nil, attrs = nil)
scope ||= LDAP::LDAP_SCOPE_SUBTREE
... do somethin...
How to view revision history for Mercurial file?
...vision1:revision2 file
Where revision1 and revision2 can be a tag, changeset etc.
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binning data in python with scipy/numpy
...ially designed to compute a bidimensional binned statistic for one or more sets of data
import numpy as np
from scipy.stats import binned_statistic_2d
x = np.random.rand(100)
y = np.random.rand(100)
values = np.random.rand(100)
bin_means = binned_statistic_2d(x, y, values, bins=10).statistic
the...
Excel Date to String conversion
... Full reference to the TEXT function especially to know how to set formats: see Guidelines for date and time formats on this page office.microsoft.com/en-us/excel-help/…
– codea
Sep 9 '13 at 21:07
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