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Check if EditText is empty. [closed]

...users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this?? ...
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What is sys.maxint in Python 3?

...integer, and I've read to use "sys.maxint" . However, in Python 3 when I call it I get: 6 Answers ...
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Explanation of JSONB introduced by PostgreSQL

... First, hstore is a contrib module, which only allows you to store key => value pairs, where keys and values can only be texts (however values can be sql NULLs too). Both json & jsonb allows you to store a valid JSON value (defined in its spec). F.ex. these are v...
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Is it possible to run one logrotate check manually?

Is it possible to run one iteration of logrotate manually without scheduling it on some interval? 8 Answers ...
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Xcode: failed to get the task for process

...lease mode includes compiling with your distribution certificate, which disallows this behavior (you wouldn't want some random fool hooking into your app after downloading it from the app store). Compile with the development certificate instead. You can change this in the building settings under c...
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Multiple arguments vs. options object

...bject to a function instead of passing a long list of parameters, but it really depends on the exact context. I use code readability as the litmus test. For instance, if I have this function call: checkStringLength(inputStr, 10); I think that code is quite readable the way it is and passing ind...
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Reduce git repository size

... do I reduce my repo size...it's about 10 MB, but the thing is Heroku only allows 50 MB and I'm no where near finished developing my app. ...
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Why doesn't RecyclerView have onItemClickListener()?

...The moment you have a click listener for any of the internal elements the callback would not be triggered but it wasn't notified or well documented (if at all) so there was a lot of confusion and SO questions about it. Given that RecyclerView takes it a step further and doesn't have a concept of a ...
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Internet Explorer 11 detection

I know IE 11 has different user agent string than all other IE 11 Answers 11 ...
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Is HttpClient safe to use concurrently?

In all the examples I can find of usages of HttpClient , it is used for one off calls. But what if I have a persistent client situation, where several requests can be made concurrently? Basically, is it safe to call client.PostAsync on 2 threads at once against the same instance of HttpClient . ...