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Difference between string and text in rails?
...on't ever notice a difference, which the opening of the paragraph seems to confirm: "There is no performance difference among these three types".
– Dennis
Apr 16 '14 at 20:23
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Can “this” ever be null in Java?
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@John: You are. Part of the torture is you can't confirm it.
– Roger Pate
Sep 24 '10 at 21:32
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binning data in python with scipy/numpy
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The Scipy (>=0.11) function scipy.stats.binned_statistic specifically addresses the above question.
For the same example as in the previous answers, the Scipy solution would be
import numpy as np
from scipy.stats import binned_statistic
data = np.random.rand(100)
bin_means = binned_stat...
How do PHP sessions work? (not “how are they used?”)
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 4...
How to modify Github pull request？
...you need more commits
You push c11,c21,c31 to b
The pull request now shows all 6 six commits
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Git push/clone to new server
...s something I can't work out. After creating and using a git repository locally on my Mac, can I push a copy to another server somewhere else? I am behind a firewall so unfortunately I can't run git clone from the other machine.
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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，为了确保数据得到接收或者处理，往往需要确认机制(confirm、ack)。
但是有些场景中，虽然请求已经得到处理，但是因其他原因(比如网络不稳定)，确认消息没有返回，那么这种情况下需要进行请求的重发，对请求的处理设计...
moving committed (but not pushed) changes to a new branch after pull
...doing this for the first time, you might consider backing up your repo and confirm your changes are in your backup.
– hodgkin-huxley
2 days ago
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In CMake, how can I test if the compiler is Clang?
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ASP.NET MVC: Is Controller created for every request?
...ther controller.
The short version is that ControllerActivator.Create is called (for every request) to create a Controller (which inits a new Controller either through the DependencyResolver or through the Activator if no Resolver has been set up):
public IController Create(RequestContext requestC...