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How to check whether an object is a date?
...te.getMonth === 'function'
you can use the instanceof operator, i.e. But it will return true for invalid dates too, e.g. new Date('random_string') is also instance of Date
date instanceof Date
This will fail if objects are passed across frame boundaries.
A work-around for this is to check the ...
Clicking a button within a form causes page refresh
I have a form in Angular that has two buttons tags in it. One button submits the form on ng-click . The other button is purely for navigation using ng-click . However, when this second button is clicked, AngularJS is causing a page refresh which triggers a 404. I’ve dropped a breakpoint in the f...
Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes
...s attribute is server side and can only affect UIComponents implementing EditableValueHolder (input fields) or ActionSource (command fields). The process attribute tells JSF, using a space-separated list of client IDs, which components exactly must be processed through the entire JSF lifecycle upon ...
Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
...ng System.Linq; from this system class.
and also add using System.Data.Entity; to the code
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How to post pictures to instagram using API
...er a quick search i found that there is no such function in the API :( and it feels weird... because they should provide one. I am not sure if there is any other way (except the apps for android and iOS) to upload picture using php. Kindly give me any sort of idea if there is any possibility.
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What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
...sters/ajax-crawling/
This technique has mostly been supplanted by the ability to use the JavaScript History API that was introduced alongside HTML5. For a URL like www.example.com/ajax.html#!key=value, Google will check the URL www.example.com/ajax.html?_escaped_fragment_=key=value to fetch a non-A...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
I am getting an ORA-01000 SQL exception. So I have some queries related to it.
13 Answers
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What is the memory consumption of an object in Java?
Is the memory space consumed by one object with 100 attributes the same as that of 100 objects, with one attribute each?
12...
Reference assignment operator in PHP, =&
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It's not deprecated and is unlikely to be. It's the standard way to, for example, make part of one array or object mirror changes made to another, instead of copying the existing data.
It's called assignment by reference, wh...
Why invoke Thread.currentThread.interrupt() in a catch InterruptException block?
... is done to keep state.
When you catch the InterruptException and swallow it, you essentially prevent any higher level methods/thread groups from noticing the interrupt. Which may cause problems.
By calling Thread.currentThread().interrupt(), you set the interrupt flag of the thread, so higher lev...