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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...
Can't seem to discard changes in Git
After seeing the following from the command line:
19 Answers
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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.
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When deleting remote git branch “error: unable to push to unqualified destination”
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Your answer is awesome. Short and about the essence!
– 1nstinct
Oct 22 '15 at 18:12
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HTML if image is not found
...>
onerror is a good thing for you :)
Just change the image file name and try yourself.
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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...
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 can I check if a key is pressed during the click event with jQuery?
I would like to catch a click event with jQuery and be able to tell if a key was pressed at the same time so I can fork within the callback function based on the keypress event.
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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.
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How to run two jQuery animations simultaneously?
... @pilau It will be executed when the document is ready. This is a shorthand for $(document).ready(function(){}); and enables you to put your javascript code before your element definition.
– Raphael Michel
May 8 '13 at 17:31
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