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How to play a notification sound on websites?
...ort
Edge 12+, Firefox 20+, Internet Explorer 9+, Opera 15+, Safari 4+, Chrome
Codecs Support
Just use MP3
Old solution
(for legacy browsers)
function playSound(filename){
var mp3Source = '<source src="' + filename + '.mp3" type="audio/mpeg">';
var oggSource = '<source src="' + filename...
How to change Navigation Bar color in iOS 7?
...hanged in iOS 7.0. It no longer affects the bar's background.
From the documentation:
barTintColor Class Reference
The tint color to apply to the navigation bar background.
@property(nonatomic, retain) UIColor *barTintColor
Discussion
This color is made translucent by default unless you set the tra...
How can I convert a stack trace to a string?
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One can use the following method to convert an Exception stack trace to String. This class is available in Apache commons-lang which is most common dependent library with many popular open sources
org.apache.commons.lang.exception.ExceptionUtils.getS...
In Java, is there a way to write a string literal without having to escape quotes?
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142
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How to know that a string starts/ends with a specific string in jQuery?
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in jQuery I tried str.startsWith('some checking string ..') this gave me an error saying, startsWith method not found.. :( but str.match worked. Thanks for your answer
– Débora
Apr 22 '12 at 7:01
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How can I set focus on an element in an HTML form using JavaScript?
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Do this.
If your element is something like this..
<input type="text" id="mytext"/>
Your script would be
<script>
function setFocusToTextBox(){
document.getElementById("mytext").focus();
}
</script>
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How to display pandas DataFrame of floats using a format string for columns?
I would like to display a pandas dataframe with a given format using print() and the IPython display() . For example:
7 ...
Using ViewPagerIndicator library with Android Studio and Gradle
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Thank you. I did not want to add some random maven repository to my build script. This much better.
– Greg Ennis
Mar 13 '15 at 21:21
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How to convert a string into double and vice versa?
I want to convert a string into a double and after doing some math on it, convert it back to a string.
12 Answers
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Check that an email address is valid on iOS [duplicate]
...@interface NSString (emailValidation)
- (BOOL)isValidEmail;
@end
Implement
@implementation NSString (emailValidation)
-(BOOL)isValidEmail
{
BOOL stricterFilter = NO; // Discussion http://blog.logichigh.com/2010/09/02/validating-an-e-mail-address/
NSString *stricterFilterString = @"^[A-Z0-9...