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How is a non-breaking space represented in a JavaScript string?
...f (p.text() == String.fromCharCode(160) && p.text() == '\xA0')
alert('Character 160');
Shows an alert, as the ASCII equivalent of the markup is returned instead.
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What is the difference between call and apply?
.../ This also has the unintentional side effect of adding a value to window:
alert(window.value); // Alerts NaN
Even though obj.addValues and f refer to the same function, they behave differently when called because the value of the receiver is different in each call. For this reason, when calling a...
What is Linux’s native GUI API?
Both Windows (Win32 API) and OS X (Cocoa) have their own APIs to handle windows, events and other OS stuff. I have never really got a clear answer as to what Linux’s equivalent is?
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postgresql port confusion 5433 or 5432?
I have installed postgresql on OSX. When I run psql, I get
7 Answers
7
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How do I replace a character at a particular index in JavaScript?
...replacement.length);
}
And use it like this:
var hello = "Hello World";
alert(hello.replaceAt(2, "!!")); // Should display He!!o World
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follo...
Installing libv8 gem on OS X 10.9+
I'm trying to install libv8 3.16.14.3 but getting an error on OSX Mavericks using latest stable rvm and ruby-1.9.3-p125.
20...
Using build types in Gradle to run same app that uses ContentProvider on one device
...JJD The modifications that you link to would work without any custom build script. If you want to use ${applicationId} placeholders for sync_adapter.xml, authenticator.xml you must customize your build.gradle script. I see that you already have done much in your build.gradle script so you are comfor...
How can I detect if a browser is blocking a popup?
...
try {
popup_window.focus();
} catch (e) {
alert("Pop-up Blocker is enabled! Please add this site to your exception list.");
}
}
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Favorite Django Tips & Features?
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I'm just going to start with a tip from myself :)
Use os.path.dirname() in settings.py to avoid hardcoded dirnames.
Don't hardcode path's in your settings.py if you want to run your project in different locations. Use the following code in settings.py if your templates and stat...
Handling an empty UITableView. Print a friendly message
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func emptyDataSetDidTapButton(scrollView: UIScrollView!) {
let ac = UIAlertController(title: "Button tapped!", message: nil, preferredStyle: .Alert)
ac.addAction(UIAlertAction(title: "Hurray", style: .Default, handler: nil))
presentViewController(ac, animated: true, completion: nil)
}
...