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Can an Android NFC phone act as an NFC tag?

... an NFC tag. Now my question is, can we switch this around? Can we make an Android NFC phone behave as the tag which an NFC reader will get data from? ...
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How to avoid null checking in Java?

...y either don't know or don't trust the contracts they are participating in and defensively overcheck for nulls. Additionally, when writing their own code, they tend to rely on returning nulls to indicate something thus requiring the caller to check for nulls. To put this another way, there are two...
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How can I scroll to a specific location on the page using jquery?

... scrollTop: $(this).offset().top }, 1000); }); } and use it like: $('#your-div').scrollView(); Scroll to a page coordinates Animate html and body elements with scrollTop or scrollLeft attributes $('html, body').animate({ scrollTop: 0, scrollLeft: 300 }, 1000); ...
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Git: Ignore tracked files

...I don't want to untrack them, I just don't want them to appear as modified and I don't want them to be staged when I git add. ...
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Test if element is present using Selenium WebDriver?

... that is not what I want, because it can be that an element is not present and that is okay, that is not a fail of the test, so an exception can not be the solution. ...
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Highlight label if checkbox is checked

... answered Mar 11 '11 at 17:07 Andrew MarshallAndrew Marshall 87.3k1818 gold badges202202 silver badges204204 bronze badges ...
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How to pass parameters in GET requests with jQuery

... option of ajax. You can send data object to server by data option in ajax and the type which defines how you are sending it (either POST or GET). The default type is GET method Try this $.ajax({ url: "ajax.aspx", type: "get", //send it through get method data: { ajaxid: 4, UserID:...
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How should I unit test threaded code?

...hat is inherently multithreaded. Events come in from the operating system and I have to process them concurrently. The simplest way to deal with testing complex, multithreaded application code is this: If its too complex to test, you're doing it wrong. If you have a single instance that has mu...
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Java: int array initializes with nonzero elements

... with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception: ...
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Converting a Java Keystore into PEM Format

... trying to convert from a Java keystore file into a PEM file using keytool and openssl applicactions. But I could not find a good way to do the conversion. Any ideas? ...