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Under what circumstances are linked lists useful?
...tting an element in a known position:
on lists you have to walk the list from the first element to the element in the specific position. Worst case: O(n)
on arrays you can access the element immediately. O(1)
This is a very low-level comparison of these two popular and basic data structures and...
What is the difference in maven between dependency and plugin tags in pom xml?
...ring the build and they should be configured in the <build/> element from the POM.
Reporting plugins will be executed during the site generation and they should be configured in the <reporting/> element from the POM.
According to the maven goal specified in the command line (for exa...
How do I associate a Vagrant project directory with an existing VirtualBox VM?
Somehow my Vagrant project has disassociated itself from its VirtualBox VM, so that when I vagrant up Vagrant will import the base-box and create a new virtual machine.
...
Add … if string is too long PHP [duplicate]
......");
Where:
Hello World: the string to trim.
0: number of characters from the beginning of the string.
10: the length of the trimmed string.
...: an added string at the end of the trimmed string.
This will return Hello W....
Notice that 10 is the length of the truncated string + the added s...
How to check that a string is a palindrome using regular expressions?
...chine is composed of nodes and edges. Each edge is annotated with a letter from a finite alphabet. One or more nodes are special "accepting" nodes and one node is the "start" node. As each letter is read from a given word we traverse the given edge in the machine. If we end up in an accepting state ...
parseInt(null, 24) === 23… wait, what?
... specified radix (base). For example, a
radix of 10 indicates to convert from
a decimal number, 8 octal, 16
hexadecimal, and so on. For radices
above 10, the letters of the alphabet
indicate numerals greater than 9. For
example, for hexadecimal numbers (base
16), A through F are used.
...
How do I initialize an empty array in C#?
... items without specifying the size OR type, the compiler will infer either from the initializer: var a = new []{"a", "b", "c"}; This is still a strongly typed string array.
– Nick VanderPyle
Jan 4 '12 at 14:12
...
How can I replace every occurrence of a String in a file with PowerShell?
...downvote if I could. In PowerShell 3 this silently deletes all the content from the file! Using Set-Content instead of Out-File yuou get a warning like "The process cannot access the file '123.csv' because it is being used by another process.".
– Iain Samuel McLean Elder
...
Running a Haskell program on the Android OS
...a native executable, you will have a shared library which gets called into from Java. If you wrote Haskell bindings to NativeActivity you would not need to write bindings between Java & Haskell but as I've mentioned the NDK APIs are subset of the full Java APIs, there are no native APIs for the ...
Django Passing Custom Form Parameters to Formset
...
I would use functools.partial and functools.wraps:
from functools import partial, wraps
from django.forms.formsets import formset_factory
ServiceFormSet = formset_factory(wraps(ServiceForm)(partial(ServiceForm, affiliate=request.affiliate)), extra=3)
I think this is the cl...