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When and why to 'return false' in JavaScript?
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Often, in event handlers, such as onsubmit, returning false is a way to tell the event to not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted.
s...
Does Spring @Transactional attribute work on a private method?
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The Question is not private or public, the question is: How is it invoked and which AOP implementation you use!
If you use (default) Spring Proxy AOP, then all AOP functionality provided by Spring (like @Transactional) will only be taken into account if the call goes through the proxy. -...
What is a singleton in C#?
What is a Singleton and when should I use it?
16 Answers
16
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Selecting the last value of a column
I have a spreadsheet with some values in column G. Some cells are empty in between, and I need to get the last value from that column into another cell.
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What is base 64 encoding used for?
...'ve heard people talking about "base 64 encoding" here and there. What is it used for?
18 Answers
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Utility classes are evil? [closed]
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Utility classes aren't exactly evil, but they can violate the principles that compose a good object-oriented design. In a good object-oriented design, most classes should represent a single thing and all of its attributes and ope...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
It's very annoying to have this limitation on my development box, when there won't ever be any users other than me.
23 Answ...
How do I test for an empty JavaScript object?
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// because Object.keys(new Date()).length === 0;
// we have to do some additional check
Object.keys(obj).length === 0 && obj.constructor === Object
Note, though, that this creates an unnecessary array (the return value of keys).
Pre-ECMA 5:
function isEmpty(obj) {
for(var prop in obj)...
Best way to run scheduled tasks [closed]
... a console application for running the scheduled tasks for our ASP.NET website. But I think this approach is a bit error prone and difficult to maintain. How do you execute your scheduled task (in an windows/IIS/ASP.NET environment)
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WSDL vs REST Pros and Cons
...ght XML standard that is centered around document passing. The advantage with this is that your requests and responses can be very well structured, and can even use a DTD. The downside is it is XML, and is very verbose. However, this is good if two parties need to have a strict contract(say for i...