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JavaScript: empty array, [ ] evaluates to true in conditional structures. Why is this?
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109
From http://www.sitepoint.com/javascript-truthy-falsy/
The following values are always falsy:...
Pull to refresh UITableView without UITableViewController
...action: #selector(refresh(_:)), for: .valueChanged)
if #available(iOS 10.0, *) {
tableView.refreshControl = refreshControl
} else {
tableView.backgroundView = refreshControl
}
}
@objc func refresh(_ refreshControl: UIRefreshControl) {
// Do your job, when done:
...
Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
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148
Where it is documented:
From the API documentation under the has_many association in "Module ...
Assert an object is a specific type
... object in my test that I want to check the type of. Is it a type of Object1 or a type of Object2?
4 Answers
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How to get whole and decimal part of a number?
Given, say, 1.25 - how do I get "1" and ."25" parts of this number?
16 Answers
16
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Which characters need to be escaped in HTML?
... text content in your document in a location where text content is expected1, you typically only need to escape the same characters as you would in XML. Inside of an element, this just includes the entity escape ampersand & and the element delimiter less-than and greater-than signs < >:
&...
SELECT INTO using Oracle
... never be true:
create table new_table as
select * from old_table
where 1 = 2
/
Remember that CREATE TABLE ... AS SELECT creates only a table with the same projection as the source table. The new table does not have any constraints, triggers or indexes which the original table might have. Those...
jQuery duplicate DIV into another DIV
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167
You'll want to use the clone() method in order to get a deep copy of the element:
$(function(...
Struggling trying to get cookie out of response with HttpClient in .net 4.5
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170
To add cookies to a request, populate the cookie container before the request with CookieConta...
Chrome developer tools: View Console and Sources views in separate views/vertically tiled?
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179
Vertical split
You can undock the developer tools (by clicking on the icon in the bottom-left...