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How to fix the uninitialized constant Rake::DSL problem on Heroku?
...ixed my problems and I didn't know what was going on. (Using the rails installer on windows and deploying to heroku, as a complete beginner.)
– Jack V.
Jun 14 '11 at 22:46
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How do pointer to pointers work in C?
... 60.
As to why one uses pointers to pointers:
The name of an array usually yields the address of its first element. So if the array contains elements of type t, a reference to the array has type t *. Now consider an array of arrays of type t: naturally a reference to this 2D array will have typ...
Reasons for using the set.seed function
...he set.seed function in R, before starting the program. I know it's basically used for the random number generation. Is there any specific need to set this?
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Why should I declare a virtual destructor for an abstract class in C++?
...structor when deleting a pointer to a base class.
– j_random_hacker
Feb 10 '09 at 10:10
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汇编常用寄存器及指令基础总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...定了四个段寄存器，专门用来保存段地址：
CS（Code Segment）：代码段寄存器
DS（Data Segment）：数据段寄存器
SS（Stack Segment）：堆栈段寄存器
ES（Extra Segment）：附加段寄存器
特殊功能的寄存器：
IP（Intruction Pointer）：指令...
EC2 instance has no public DNS
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answered Jan 6 '14 at 7:32
slayedbyluciferslayedbylucifer
20.1k1515 gold badges8282 silver badges116116 bronze badges
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curl : (1) Protocol https not supported or disabled in libcurl
...\" )
– Appu Mistri
May 25 '19 at 17:32
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Are duplicate keys allowed in the definition of binary search trees?
...cluded. For example, the example algorithms in the MIT Algorithms book usually present examples without duplicates. It is fairly trivial to implement duplicates (either as a list at the node, or in one particular direction.)
Most (that I've seen) specify left children as <= and right children ...
Specifying rails version to use when creating a new application
I have two versions of rails (2.1.0 and 2.2.2) installed in my computer.
7 Answers
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How do I reference an existing branch from an issue in GitHub?
...k to my fork.
– L S
Jun 8 '17 at 20:32
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