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Restricting input to textbox: allowing only numbers and decimal point
...f the solutions restrict the usage of non-character keys like ctrl+c, Pos1 etc.
I suggest rather than checking every key press you check whether the result is valid in respect to your expectations.
var validNumber = new RegExp(/^\d*\.?\d*$/);
var lastValid = document.getElementById("test1").v...
Disable/enable an input with jQuery?
... to disable ALL form input controls - incl. checkboxes, radios, textareas, etc. - you have to select ':input', not just 'input'. The latter selects only actual <input> elements.
– Cornel Masson
Aug 16 '12 at 8:10
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Add custom messages in assert?
...an define your own macro/function, using __FILE__, __BASE_FILE__, __LINE__ etc, with your own function that takes a custom message
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Scala: Abstract types vs generics
...l need to subclass Buffer—they can just use Buffer[Any], Buffer[String], etc.
If you use an abstract type, then people will be forced to create a subclass. People will need classes like AnyBuffer, StringBuffer, etc.
You need to decide which is better for your particular need.
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Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use
...n start the tomcat in Eclipse.
works only in Linux based system ( Ubuntu ..etc )
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How do I loop through a date range?
...this manner you could hit every other day, every third day, only weekdays, etc. For example, to return every third day starting with the "start" date, you could just call AddDays(3) in the loop instead of AddDays(1).
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COALESCE Function in TSQL
... with the value in Fieldname2, if FieldName2 is NULL, fill it with Value2, etc.
This piece of test code for the AdventureWorks2012 sample database works perfectly & gives a good visual explanation of how COALESCE works:
SELECT Name, Class, Color, ProductNumber,
COALESCE(Class, Color, ProductNu...
How does java do modulus calculations with negative numbers?
...d rather write r = ((x%n) + n) % n. Concerning power of 2 modulo (2,4,8,16,etc..) and positive answer, consider binary mask r = x & 63.
– Fabyen
Nov 17 '14 at 13:43
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How can I output leading zeros in Ruby?
...imilar formating functions are available in perl, ruby, python, java, php, etc.
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count (non-blank) lines-of-code in bash
... right, which means I usually start with cat, then action, action, action, etc. Clearly, the end result is the same.
– Michael Cramer
Sep 24 '08 at 14:06
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