19 questions
I want to read almost 5-6 gigabytes of files in a row, but how can I read them quickly?
When I ran it on Visual Studio 2010 SP1,Source Code 1 operates about 10 times faster than Source Code 2.There are only two lines that change. I don't think there's much differenceWhy is the performanc...
You need to have thousands of strings in memory that are accessible sequentially. Should I save the string to Array? Should I save it to the list? Unlike List, Array stores all data continuously in a ...
I'd like to remove all elements that have null values from the ArrayList or String array in JavaFor me,for (Tourist t : tourists) { if (t != null) { t.setId(idForm); } }I tried turning around the ...
Does findViewById() perform poorly on Android?What algorithms are used internally to find Id?And I wonder why the performance is poorㅠ
Hello, while studying Android, I have a question, so I posted this question.I suddenly remembered watching YouTube, where the serialization of objects that I saw once said that data transfer was very ...
Project Euler and other coding contests often limit the program's running time or compete with each other to see how fast their code works. On Python, however, the approach of measuring the time-measu...
Because of the performance difference between getElementById and querySelector(), people around me tell me not to use querySelector, but I wonder if it really is.
Regardless of language, I had a question every time I set up a server, so I want to ask.
Which of the two toString() methods below is the better one?public String toString(){ return {a:+ a + , b: + b + , c: + c +};}public String toString(){ StringBuilder sb = new StringBuilder(100); retu...
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