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Can PNG image transparency be preserved when using PHP's GDlib imagecopyresampled?
...not the source image.
Edit:
full replacement code. See also answers below and their comments. This is not guaranteed to be be perfect in any way, but did achieve my needs at the time.
$uploadTempFile = $myField[ 'tmp_name' ]
list( $uploadWidth, $uploadHeight, $uploadType )
= getimagesize( $uplo...
how to check redis instance version?
...urrently running version though. I had upgraded a server to 3.2.8 via yum, and this command showed the new version, but the server needed to be restarted manually to launch the new version, whereas INFO correctly reported the old version.
– X-Cubed
Apr 13 '17 a...
How to capture a list of specific type with mockito
...
I ran into the same issue, and found this blog post which helped me a bit: blog.jdriven.com/2012/10/…. It includes a step to use MockitoAnnotations.initMocks after you've put the annotation on your class. One thing I noticed is you can't have it with...
How to make an enum conform to a protocol in Swift?
Swift documentation says that classes , structs , and enums can all conform to protocols, and I can get to a point where they all conform. But I can't get the enum to behave quite like the class and struct examples:
...
Resizing an iframe based on content
...he same origin policy, but it requires changes on both the iframed content and the framing page, so if you haven't the ability to request changes on both sides, this method won't be very useful to you, i'm afraid.
There's a browser quirk which allows us to skirt the same origin policy - javascript ...
Anti-forgery token issue (MVC 5)
...AntiForgeryToken] attribute
Put a breakpoint somewhere in your controller and break at it
Then look at the current ClaimsIdentity and examine the claims
Find one that you think will uniquely identify your user
Set the AntiForgeryConfig.UniqueClaimTypeIdentifier to that claim type
Put back the [Val...
How to handle command-line arguments in PowerShell
What is the "best" way to handle command-line arguments?
1 Answer
1
...
Force update of an Android app when a new version is available
... app starts, you could call this API that pass in the current app version, and check the response of the versioning API call.
If forceUpgrade is true, show a popup dialog with options to either let user quit the app, or go to Google Play Store to upgrade the app.
Else if recommendUpgrade is true...
How to run a single RSpec test?
...RSpec.configure do |config|
config.filter_run_when_matching :focus
end
And then add a focus tag to the it, context or describe to run only that block:
it 'runs a test', :focus do
...test code
end
RSpec documentation:
https://www.rubydoc.info/github/rspec/rspec-core/RSpec/Core/Configuration...
Get the first N elements of an array?
...c", "d", "e");
$output = array_slice($input, 0, 3); // returns "a", "b", and "c"
There is only a small issue
If the array indices are meaningful to you, remember that array_slice will reset and reorder the numeric array indices. You need the preserve_keys flag set to trueto avoid this. (4th par...