Posts by rodrigo • 173 points
9 posts
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viewsA: Excel: Create scale with 2 known points
I couldn’t quite understand your question, but from the looks of it, perhaps a plausible solution is to bring your values first to 0. Its minimum value currently is 25, if 25 is the minimum…
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answers37
viewsA: Doubt about why it does not give nullpointexception
No, just an instruction from return can be executed. Once you call the return, change of context, leaving the function.
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answers355
viewsQ: C++ to PHP conversion
When converting a code into languages like C++ and other related to PHP we have to convert the direct handling of pointers, in this case, what interpretation should I have about the following code:…
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answers362
viewsQ: Create a Single File . jar with All Dependencies in Netbeans
When a project is compiled in Netbeans, libraries are included in the dist folder in the lib folder. In Eclipse there is the possibility to create a single jar file with all files included. There is…
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answers4422
viewsA: What is the difference between & and &&operators?
As mentioned, the && is a logical operator, usually used for conditional operation. if(x > 0 && x < 20){ ... } & Simple has a slightly different functionality as it works…
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answer1437
viewsA: How to format font and text size on a thermal printer using Java
You need to read the printer documentation, to change the formatting and other similar in general, there are codes that should be sent to the printer. These codes can vary between the most different…
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answers5475
viewsA: How to query filter in Firebase?
Firebase uses a JSON-Tree structure, in your case you could create a 'child' called people, listing all the people in your system. Each person would be a knot with children contenting their…
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answers133
viewsQ: Concept of implementing a Recyclerview
I am developing a native android application and I am in doubt how to best implement the following behavior: I have a Recyclerview that lists several items (obviously), however I want that when I…
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answers396
viewsA: Convert string value to hexadecimal without changing format
If you receive a string representing the address in hexadecimal. The most indicated path would be to first convert this string to an integer value, something that may not be trivial. With the number…