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How to set the focus for a particular field in a Bootstrap modal, once it appears

... It took a lot of time while I saw it should be "shown.bs..." instead of "show.bs...". Show doesnt worked for me. Actually their both are working and they are different events. Sorry ignore my first sentence. – Vladyn ...
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What is the difference between functional and non functional requirement? [closed]

...aintainability Privacy Portability Quality Reliability Resilience Response time Robustness Scalability Security Stability Supportability Testability A more complete list is available at Wikipedia's entry for non-functional requirements. Non-functional requirements are sometimes defined in terms o...
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Why java.util.Optional is not Serializable, how to serialize the object with such fields

...ften better to have whatever code sets that field apply some policy at the time it's set. Sometimes people want to put Optional into collections, like List<Optional<X>> or Map<Key,Optional<Value>>. This too is usually a bad idea. It's often better to replace these usages of ...
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In what situations would AJAX long/short polling be preferred over HTML5 WebSockets?

...chat application for friends, but unsure about how to get information in a timely manner that is not as manual or as rudimentary as forcing a page refresh. ...
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Linking R and Julia?

...ll not be anywhere near R in terms of overall statistics workflow for some time yet. So I'd like to use it where C++ is mainly used in R programs: to optimize slow portions of code. Before I invest the time in learning Julia, though, I am curious what facilities there are for embedding Julia snipp...
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?

...type with non-trivial alignment requirements either (a) proving at compile time that the pointer doesn't point to a misaligned member of a packed struct, or (b) generating bulkier and slower code that can handle either aligned or misaligned objects. I've submitted a gcc bug report. As I said, I do...
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Why shouldn't `'` be used to escape single quotes?

... In my case it was error when I tried to use quote in text Time's up!. There is was warning from Eslint. To fix it I replaced quote with Time's up!. Result is as expected share | ...
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Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null

... This happens to me all the time when I forget to conditionalize my maps script. Adding: var mapExists = document.getElementById("map-canvas"); if(mapExists) { // script } makes it all better. – Imperative Aug 9 '1...
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What are the differences between NP, NP-Complete and NP-Hard?

... intuitive definitions, since the technical definitions require quite some time to understand. First of all, let's remember a preliminary needed concept to understand those definitions. Decision problem: A problem with a yes or no answer. Now, let us define those complexity classes. P P is a...
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Create or write/append in text file

I have a website that every time a user logs in or logs out I save it to a text file. 7 Answers ...