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ORA-00054: resource busy and acquire with NOWAIT specified or timeout expired
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Your table is already locked by some query. For example, you may have executed "select for update" and have not yet committed/rollbacked and fired another select query. Do a commit/rollback before executing your query.
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How to embed a video into GitHub README.md?
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Use youtube's preview picture
You can also use the picture generated by youtube for your video.
For youtube urls in the form of:
https://www.youtube.com/watch?v=<VIDEO ID>
https://youtu.be/<VIDEO URL>
The preview urls are in the form of:
https://img.youtube.com/vi/<VIDEO ID...
What is the best way to remove a table row with jQuery?
...etter to do $(this).parents('tr').remove(); to let it walk up the DOM tree by itself, find the tr, and remove it.
– Paolo Bergantino
Mar 29 '09 at 5:01
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embedding image in html email
...re the size of your image though):
http://stylecampaign.com/blog/2009/12/bypass-image-blocking-by-converting-images-to-html/
http://neil.fraser.name/software/img2html/
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How to get the class of the clicked element?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Using margin:auto to vertically-align a div
... # is a hack to have the rule prefixed with it only interpreted by IE7 and under. You may prefer to instead include these rules in an IE-specific stylesheet by using conditional comments etc.
– o.v.
Sep 15 '12 at 2:10
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ActionLink htmlAttributes
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
How do I verify jQuery AJAX events with Jasmine?
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When I specify ajax code with Jasmine, I solve the problem by spying on whatever depended-on function initiates the remote call (like, say, $.get or $ajax). Then I retrieve the callbacks set on it and test them discretely.
Here's an example I gisted recently:
https://gist.github.co...
Auto increment primary key in SQL Server Management Studio 2012
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this create table syntax is good practice as advised by author of this post in comments, hope helps someone.
– shaijut
Nov 1 '15 at 12:30
add a comment
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Is it possible to use a div as content for Twitter's Popover
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All of these answers miss a very important aspect!
By using .html or innerHtml or outerHtml you are not actually using the referenced element. You are using a copy of the element's html. This has some serious draw backs.
You can't use any ids because the ids will be dupli...