大约有 48,000 项符合查询结果（耗时：0.0568秒） [XML]
How to load images dynamically (or lazily) when users scrolls them into view
I've noticed this in numerous "modern" websites (e.g. facebook and google image search) where the images below the fold load only when user scrolls down the page enough to bring them inside the visible viewport region ( upon view source, the page shows X number of <img> tags but they are not f...
Making interface implementations async
...ethods.
All my IO is done through explicit implementations of an interface and I am a bit confused about how to make the operations async.
...
Can't seem to discard changes in Git
After seeing the following from the command line:
19 Answers
19
...
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...
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...
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...
Is String.Contains() faster than String.IndexOf()?
I have a string buffer of about 2000 characters and need to check the buffer if it contains a specific string.
Will do the check in a ASP.NET 2.0 webapp for every webrequest.
...
Do git tags get pushed as well?
...ectory all the tags are present, but when I logon to the
remote repository and do a git tag , only the first few show up.
...
Submitting a multidimensional array via POST with php
...ameters'] as $diam )
{
// here you have access to $diam['top'] and $diam['bottom']
echo '<tr>';
echo ' <td>', $diam['top'], '</td>';
echo ' <td>', $diam['bottom'], '</td>';
echo '</tr>';
}
echo '</table>'...
How can I output leading zeros in Ruby?
... Heh heh, not the best answer, but I didn't know about rjust and I've been using ruby for years. Cheers!
– pauliephonic
Oct 11 '09 at 12:16
...