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Check if object value exists within a Javascript array of objects and if not add a new object to arr
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Beware that IE8 and earlier do not support the some function.
– BetaRide
Oct 13 '14 at 6:50
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How to get all Errors from ASP.Net MVC modelState?
...te.Values) {
foreach (ModelError error in modelState.Errors) {
DoSomethingWith(error);
}
}
See also How do I get the collection of Model State Errors in ASP.NET MVC?.
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Convert duration to hours:minutes:seconds (or similar) in Rails 3 or Ruby
I have a feeling there is a simple/built-in way to do this but I can't find it.
13 Answers
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How to parse JSON to receive a Date object in JavaScript?
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There is no standard JSON representation of dates. You should do what @jAndy suggested and not serialize a DateTime at all; just send an RFC 1123 date string ToString("r") or a seconds-from-Unix-epoch number, or something else that you can use in the JavaScript to construct a Date.
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Java ArrayList copy
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@ShanikaEdiriweera: You could do it in a fluent way with streams, yes. But the tricky part is creating a deep copy, which most objects won't provide. If you have a specific case in mind, I suggest you ask a new question with details.
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Cannot push to Heroku because key fingerprint
...oku. This is the second app that I deploy, and the first one I was able to do it just fine. However I am having some issues with this one. Whenever I " git push heroku master ", I get this error:
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Why is my Spring @Autowired field null?
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The field annotated @Autowired is null because Spring doesn't know about the copy of MileageFeeCalculator that you created with new and didn't know to autowire it.
The Spring Inversion of Control (IoC) container has three main logical components: a registry (called the Applicat...
Best practices/guidance for maintaining assembly version numbers
...or, minor, macro, micro. The way I look at a version number is to break it down into two parts. The first half describes the main version (Major) and any key updates (Minor). The second half indicates when it was built and what the source code version was. Version numbers also mean different things ...
How to trigger HTML button when you press Enter in textbox?
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$(document).ready(function(){
$('#TextBoxId').keypress(function(e){
if(e.keyCode==13)
$('#linkadd').click();
});
});
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Default string initialization: NULL or Empty? [closed]
...ample, a user's middle name.
NULL when it is an error if the ensuing code does not set the value explicitly.
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