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Checking from shell script if a directory contains files

...ob # To include hidden files files=(/some/dir/*) if [ ${#files[@]} -gt 0 ]; then echo "huzzah"; fi share | improve this answer | follow | ...
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How to sign an android apk file

... smac89 22.6k1010 gold badges7272 silver badges106106 bronze badges answered Jan 31 '11 at 16:02 NanneNanne ...
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Why can a function modify some arguments as perceived by the caller, but not others?

... Aran-Fey 27.5k55 gold badges6666 silver badges107107 bronze badges answered Feb 22 '09 at 18:06 jfsjfs 326k132132 gold badges...
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How can I get the ID of an element using jQuery?

...t;div id="test"></div> Or through the DOM: $('#test').get(0).id; or even : $('#test')[0].id; and reason behind usage of $('#test').get(0) in JQuery or even $('#test')[0] is that $('#test') is a JQuery selector and returns an array() of results not a single element by its defaul...
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java: ArrayList - how can i check if an index exists?

...| edited May 19 '18 at 8:10 Naveed Ahmad 5,93911 gold badge5050 silver badges7979 bronze badges answered...
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How to use int.TryParse with nullable int? [duplicate]

... answered Aug 2 '10 at 18:44 Jon SkeetJon Skeet 1211k772772 gold badges85588558 silver badges88218821 bronze badges ...
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How in node to split string by newline ('\n')?

... answered Feb 20 '14 at 0:03 maericsmaerics 126k3434 gold badges234234 silver badges268268 bronze badges ...
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How to hide soft keyboard on android after clicking outside EditText?

...eSoftInputFromWindow( activity.getCurrentFocus().getWindowToken(), 0); } You can put this up in a utility class, or if you are defining it within an activity, avoid the activity parameter, or call hideSoftKeyboard(this). The trickiest part is when to call it. You can write a method that i...
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What is the difference between '/' and '//' when used for division?

... Python 2.x to adopt the 3.x behavior. Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation. You can find a detailed description at https://docs.python.org/whatsnew/2.2.html#pep-238-changing-the-division-operator ...
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How can I convert an image into Base64 string using JavaScript?

... 10 This approach fails in the case of CORS violation. Apart from that, this solution should address the question. – Revan...