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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.
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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.
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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...
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...
jQuery click not working for dynamically created items [duplicate]
...you have a wrapper which is hard-coded into the HTML source code:
<div id="wrapper"></div>
and you fill it with dynamic content. The idea is to delegate the events to that wrapper, instead of binding handlers directly on the dynamic elements.
Btw, I recommend Backbone.js - it gives...
Bootstrap Alert Auto Close
...
For a smooth slideup:
$("#success-alert").fadeTo(2000, 500).slideUp(500, function(){
$("#success-alert").slideUp(500);
});
$(document).ready(function() {
$("#success-alert").hide();
$("#myWish").click(function showAlert()...
How to create JSON string in C#
...;Person> people = new List<Person>{
new Person{ID = 1, FirstName = "Scott", LastName = "Gurthie"},
new Person{ID = 2, FirstName = "Bill", LastName = "Gates"}
};
string jsonString = people.ToJSON();
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PostgreSQL: Drop PostgreSQL database through command line [closed]
...of activity is currently taking place against your database, including all idle processes.
SELECT * FROM pg_stat_activity WHERE datname='database name';
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