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Need a simple explanation of the inject method
...2, 3, 4].inject(0) { |6, 4| 6 + 4 }
Step :5 [1, 2, 3, 4].inject(0) { |10, Now no elements left in the array, so it'll return 10 from this step| }
Here Bold-Italic values are elements fetch from array and the simply Bold values are the resultant values.
I hope that you understand the working of th...
Under what circumstances are linked lists useful?
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They can be useful for concurrent data structures.
(There is now a non-concurrent real-world usage sample below - that would not be there if @Neil hadn't mentioned FORTRAN. ;-)
For example, ConcurrentDictionary<TKey, TValue> in .NET 4.0 RC use linked lists to chain items that h...
What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
... this input textbox does not result in a new child property. The model is now bound to a property of the parent scope (because $parent is a child scope property that references the parent scope).
For all scopes (prototypal or not), Angular always tracks a parent-child relationship (i.e., a hiera...
How do I “undo” a --single-branch clone?
...'t readily have a command to accomplish this. Yeah I got it working... and now I know about the config file int he .git directory too!
– kashiraja
May 12 '18 at 0:11
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Virtual Memory Usage from Java under Linux, too much memory used
...te segment that contains global per-process data for the library (I don't know what the segment with no permissions is; I've only seen it on x64 Linux). The read-only portion of the library can be shared between all processes that use the library; for example, libc has 1.5M of virtual memory space t...
Can I convert a C# string value to an escaped string literal
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Nice. Change enclosing quotes to ' and now you have what Python gives you out of the box with repr(a_string) :).
– z33k
Nov 7 '19 at 12:14
Managing relationships in Laravel, adhering to the repository pattern
...sing Laravel 4 and had to answer all of the questions you are asking right now. After reading all of the available Laravel books over at Leanpub, and tons of Googling, I came up with the following structure.
One Eloquent Model class per datable table
One Repository class per Eloquent Model
A Servi...
Android NDK C++ JNI (no implementation found for native…)
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Now on the Android docs site: developer.android.com/training/articles/perf-jni.html#faq_ULE
– fadden
Dec 15 '12 at 0:49
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Encrypting & Decrypting a String in C# [duplicate]
...ed encryption. Encryption alone provides only privacy (i.e. message is unknown to 3rd parties), whilst authenticated encryption aims to provide both privacy and authenticity (i.e. recipient knows message was sent by the sender).
Without knowing your exact requirements, it's difficult to say whet...
Simulator or Emulator? What is the difference?
...rlying state of the real world - only emulate observable properties... for now.
– Dolph
May 28 '10 at 18:13
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