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What does Maven do, in theory and in practice? When is it worth to use it? [closed]
...'t get issues as having the same code with the same buildscript working on one computer but not on another one (this is a known issue, we have VMs of Windows 98 machines since we couldn't get some of our Delphi applications compiling anywhere else). Because of this, it is also the best way to work o...
Calculate the median of a billion numbers
If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers?
25 A...
In which order should floats be added to get the most precise result?
... bit) floats, and there are 1 billion values equal to 1 / (1 billion), and one value equal to 1. If the 1 comes first, then the sum will come to 1, since 1 + (1 / 1 billion) is 1 due to loss of precision. Each addition has no effect at all on the total.
If the small values come first, they will at ...
C# code to validate email address
...ing for business logic, I agree that is a thing to be avoided. But this is one of those cases where the convenience and clarity may outweigh the dogma.
Besides, if you do anything else with the e-mail address, it's probably going to involve turning it to a MailAddress. Even if you don't use this ex...
When do I really need to use atomic instead of bool? [duplicate]
...ssible that multiprocessor system has this variable in multiple copies and one thread can see old value even after another thread has changed it to new. Atomic introduces memory barrier, so it becomes impossible.
share
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What is the difference between “ is None ” and “ ==None ”
...ison any way it chooses, and it
can choose to make comparison against
None mean something (which actually
makes sense; if someone told you to
implement the None object from
scratch, how else would you get it to
compare True against itself?).
Practically-speaking, there is not much diff...
What are the most useful Intellij IDEA keyboard shortcuts? [closed]
... all the places where this method is implemented, and you can select which one you want to go to (if there is only one implementation, you go straight there). The same goes for overridden methods.
The opposite of this is Ctrl + U (Go to super-method/super-class). If the caret is at the implementati...
How to move an element into another element?
I would like to move one DIV element inside another. For example, I want to move this (including all children):
15 Answers
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Difference between getContext() , getApplicationContext() , getBaseContext() and “this”
...ess resources (e.g. openFileInput(), getString()), interact with other components (e.g. sendBroadcast(), registerReceiver()), requests permissions (e.g. checkCallingOrSelfPermission()) and resolving file system locations (e.g. getFilesDir()). ContextWrapper is really useful to work around device/ver...
How to ignore the first line of data when processing CSV data?
...me it's the prescribed way to do it. I agree that doing it on the basis of one line of data doesn't seem like it would always be enough data to make such a determination—but I have no idea since how the Sniffer works isn't described. FWIW I've never seen has_header(file.readline()) being used and ...