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Firebase Storage How to store and Retrieve images [closed]

...icker which will store your image to their servers and Filepicker which is now called Filestack, will provide you with a url to the image. You can than store the url to Firebase. share | improve thi...
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How to properly exit a C# application?

...nForms application, so it is unlikely to matter in this case, but good to know for anyone writing command-line tools.) – YipYip Jun 20 '18 at 19:00 1 ...
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How to serve static files in Flask

...rrassing. I've got an application that I threw together in Flask and for now it is just serving up a single static HTML page with some links to CSS and JS. And I can't find where in the documentation Flask describes returning static files. Yes, I could use render_template but I know the data i...
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What is “lifting” in Scala?

...Stream[A]]. This can be converted to the monad transformer StreamT[IO, A]. Now you may wish to "lift" some other value an IO[B] perhaps to that it is also a StreamT. You could either write this: StreamT.fromStream(iob map (b => Stream(b))) Or this: iob.liftM[StreamT] this begs the question:...
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SQL query to find record with ID not in another table

... 20 datas, It works, but when i have 20000 datas, it not work, Iam confuse now. – Frank Nov 2 '16 at 3:25 1 ...
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How to get the file extension in PHP? [duplicate]

... this. You are relying on the order of the array being the same years from now. It's a lazy solution that will most likely cause issues in the future. – Wade Jul 29 '16 at 20:14 ...
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When should null values of Boolean be used?

...n column in a database, for example). The null value might mean "we don't know if it's true or false" in this context. each time a method needs an Object as argument, and you need to pass a boolean value. For example, when using reflection or methods like MessageFormat.format(). ...
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What do 3 dots next to a parameter type mean in Java?

... parameters? That will most likely lead to ArrayIndexOutOfBoundsException. Now you always have to take that case into consideration. – Olle Söderström May 16 '13 at 12:23 12 ...
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What does $$ (dollar dollar or double dollar) mean in PHP?

... EDIT after @Jhonny's comment : Doing a $$$ ? Well, the best way to know is to try ;-) So, let's try this portion of code : $real_variable = 'test'; $name = 'real_variable'; $name_of_name = 'name'; echo $name_of_name . '<br />'; echo $$name_of_name . '<br />'; echo $$$name_of_na...
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Differences between Octave and MATLAB? [closed]

I'm a programmer who knows Python, Ruby and some C who is trying to decide whether to learn GNU Octave or Matlab. I know that they have a lot in common , but it isn't clear to me how similar the syntax is or even the data structures are. The above link shows several examples where they are syntacti...