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How can I change an element's text without changing its child elements?
...nd check if it's not empty after the trim because spaces, tabs, new lines, etc. are also recognized as text nodes. If you need those nodes too then simple remove that from the if statement in the jQuery function.
I added an example how to replace first text node and how to replace all text nodes.
Th...
Spring AOP vs AspectJ
...ed for application specific tasks such as security, logging, transactions, etc. as it uses custom Java5 annotations as a framework. However, AspectJ seems to be more friendly design-patterns wise.
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List Git aliases
...r current user) with --system (for all users). This typically goes in the /etc/gitconfig file.
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Best practice to return errors in ASP.NET Web API
...m back as most exceptions are usually due to incorrect parameters or calls etc.
An example in my app is that sometimes the client will ask for data, but there isn't any data available so I throw a custom NoDataAvailableException and let it bubble to the Web API app, where then in my custom filter w...
How to convert View Model into JSON object in ASP.NET MVC?
...ew and that is the easiest way to populate basic HTML elements like tables etc. I could send over the same data in JSON format as ViewData but it seems wasteful.
– Chris Stephens
Jul 29 '10 at 18:08
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What is the !! (not not) operator in JavaScript?
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Converts Object to boolean. If it was falsey (e.g. 0, null, undefined, etc.), it will be false, otherwise, true.
!oObject // inverted boolean
!!oObject // non inverted boolean so true boolean representation
So !! is not an operator, it's just the ! operator twice.
Real World Example "Test I...
Difference between Select Unique and Select Distinct
...ield will contain unique data, usually used for natural keys, foreign keys etc.
For example:
Create Table Employee(
Emp_PKey Int Identity(1, 1) Constraint PK_Employee_Emp_PKey Primary Key,
Emp_SSN Numeric Not Null Unique,
Emp_FName varchar(16),
Emp_LName varchar(16)
)
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How to get a user's client IP address in ASP.NET?
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So why do the companies like AWS, Azure etc use ip address in security group rules and allow only that ip-address to connect to the VM?
– user5950947
Sep 23 '16 at 12:49
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How to read the value of a private field from a different class in Java?
...the class's declared fields and then make them accessible:
Field f = obj.getClass().getDeclaredField("stuffIWant"); //NoSuchFieldException
f.setAccessible(true);
Hashtable iWantThis = (Hashtable) f.get(obj); //IllegalAccessException
EDIT: as has been commented by aperkins, both accessing the fiel...
How can I make a weak protocol reference in 'pure' Swift (without @objc)
...inherit from NSObject! And presumably it's not namespace'd anymore either, etc. In short: \@objc is a bridging feature, not a language one.
– hnh
Jun 7 '14 at 11:46
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