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Convert an image to grayscale in HTML/CSS
...eProfile="full"
xmlns="http://www.w3.org/2000/svg">
<filter id="desaturate">
<feColorMatrix type="matrix" values="0.3333 0.3333 0.3333 0 0
0.3333 0.3333 0.3333 0 0
0.3333 0.3333 0.3...
Android - Emulator in landscape mode, screen does not rotate
...11 ) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly?
...
How to find a deleted file in the project commit history?
...e>
Note the caret symbol (^), which gets the checkout prior to the one identified, because at the moment of <SHA> commit the file is deleted, we need to look at the previous commit to get the deleted file's contents
...
When to use , tag files, composite components and/or custom components?
... tag file.
Examples:
How to create a custom Facelets tag?
How to make a grid of JSF composite component?
How to create a composite component for a datatable column?
Primefaces outputLabel for composite component
Composite components
Use composite components if you want to create a single and reuse...
Hide options in a select list using jQuery
I have an object with key/value pairs of options I want to hide/remove from a select list.
Neither of the following option selectors work. What am I missing?
...
How to extract the decision rules from scikit-learn decision-tree?
...ormat(indent, tree_.value[node])
recurse(0, 1)
This prints out a valid Python function. Here's an example output for a tree that is trying to return its input, a number between 0 and 10.
def tree(f0):
if f0 <= 6.0:
if f0 <= 1.5:
return [[ 0.]]
else: # if f0 > 1.5
...
How do I find which program is using port 80 in Windows? [duplicate]
...y way you want):
$proc = @{};
Get-Process | ForEach-Object { $proc.Add($_.Id, $_) };
netstat -aon | Select-String "\s*([^\s]+)\s+([^\s]+):([^\s]+)\s+([^\s]+):([^\s]+)\s+([^\s]+)?\s+([^\s]+)" | ForEach-Object {
$g = $_.Matches[0].Groups;
New-Object PSObject |
Add-Member @{ Protocol =...
Inline SVG in CSS
... url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><linearGradient id='gradient'><stop offset='10%' stop-color='%23F00'/><stop offset='90%' stop-color='%23fcc'/> </linearGradient><rect fill='url(%23gradient)' x='0' y='0' wid...
Unknown column in 'field list' error on MySQL Update query
...
Try using different quotes for "y" as the identifier quote character is the backtick (“`”). Otherwise MySQL "thinks" that you point to a column named "y".
See also MySQL 5 Documentation
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Rails 4 - Strong Parameters - Nested Objects
... the other hand if you want nested of multiple objects then you wrap it inside a hash… like this
params.require(:foo).permit(:bar, {:baz => [:x, :y]})
Rails actually have pretty good documentation on this: http://api.rubyonrails.org/classes/ActionController/Parameters.html#method-i-permit
...