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What is the difference between Amazon S3 and Amazon EC2 instance?
I need to create a web application using php mysql and html. The no.of requests and data will be very high. I need Amazon server space.
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Difference between Big-O and Little-O Notation
What is the difference between Big-O notation O(n) and Little-O notation o(n) ?
4 Answers
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What is difference between Collection.stream().forEach() and Collection.forEach()?
I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
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Are unused CSS images downloaded?
Are unused CSS images downloaded by the browser or ignored?
7 Answers
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Is calculating an MD5 hash less CPU intensive than SHA family functions?
Is calculating an MD5 hash less CPU intensive than SHA-1 or SHA-2 on "standard" laptop x86 hardware? I'm interested in general information, not specific to a certain chip.
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What's the difference between a catalog and a schema in a relational database?
I used to think schema were the "upper wrapper" object before the database itself.
I mean DB.schema.<what_ever_object_name_under_schema> .
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Change default global installation directory for node.js modules in Windows?
In my windows installation PATH includes C:\Program Files\nodejs , where executable node.exe is. I'm able to launch node from the shell, as well as npm . I'd like new executables to be installed in C:\Program Files\nodejs as well, but it seems impossible to achieve.
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Is it possible to rename a maven jar-with-dependencies?
I'm currently using the jar-with-dependencies assembly to create such a jar. However, the name of my jar is a bit long.
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Why does Math.round(0.49999999999999994) return 1?
In the following program you can see that each value slightly less than .5 is rounded down, except for 0.5 .
5 Answers
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Python regular expressions return true/false
Using Python regular expressions how can you get a True / False returned? All Python returns is:
6 Answers
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