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$apply already in progress error
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You are getting this error because you are calling $apply inside an existing digestion cycle.
The big question is: why are you calling $apply? You shouldn't ever need to call $apply unless you are interfacing from a non-Angular event. The existence of $apply usually means I am doi...
Deleting all records in a database table
...elete_all.
Post.delete_all
or with a criteria
Post.delete_all "person_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for more information.
The records are deleted without loading them first which makes it very fast but will break functionality like counter cache that depe...
What is the use of the square brackets [] in sql statements?
...s are required if you use keywords or special chars in the column names or identifiers. You could name a column [First Name] (with a space)--but then you'd need to use brackets every time you referred to that column.
The newer tools add them everywhere just in case or for consistency.
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jQuery: find element by text
...f it's possible to find an element based on its content rather than by an id or class ?
7 Answers
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if checkbox is checked, do this
...roperties of an element. The article specifically treats the use of .attr("id") but in the case that #checkbox is an <input type="checkbox" /> element the issue is the same for $(...).attr('checked') (or even $(...).is(':checked')) vs. this.checked.
...
How to add line breaks to an HTML textarea?
...function log(text) {
var txtArea ;
txtArea = document.getElementById("txtDebug") ;
txtArea.value += text + '\r\n';
}
I decided to do this an edit, and not as a new question because this a far too popular answer to be wrong or incomplete.
...
Values of disabled inputs will not be submitted
...and TEXTAREA.
This attribute is inherited but local declarations override the
inherited value.
How disabled elements are rendered depends on the user agent. For
example, some user agents "gray out" disabled menu items, button
labels, etc.
In this example, the INPUT element is di...
Split comma-separated strings in a column into separate rows
...hree times offering 6 different approaches but is lacking a benchmark as guidance which of the approaches is the fastest1.
The benchmarked solutions include
Matthew Lundberg's base R approach but modified according to Rich Scriven's comment,
Jaap's two data.table methods and two dplyr / tidyr ap...
Chrome Extension - Get DOM content
...ngly recommend a more careful study of the available documentation!
That said, here is a sample extension that retrieves the DOM content on StackOverflow pages and sends it to the background page, which in turn prints it in the console:
background.js:
// Regex-pattern to check URLs against.
// It...
How do you make a web application in Clojure? [closed]
...and has beautifully elegant syntax. (It uses Jetty under the hood, but it hides the Servlet API from you unless you want it, which won't be often). Go look at the README at that URL, then download a snapshot and start playing.
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