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What's the difference between equal?, eql?, ===, and ==?
...s-specific meaning.
This is the most common comparison, and thus the most fundamental place where you (as the author of a class) get to decide if two objects are "equal" or not.
=== — case equality
For class Object, effectively the same as calling #==, but typically overridden by descendants to ...
What does PermGen actually stand for?
... And in JDK 8 there is no permanent generation at all! It's fun to see this answer evolve over the years.
– Brian Gordon
Jan 8 '15 at 3:06
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How to clear all the jobs from Sidekiq?
...iterally a bomb emoji. Also works for Sidekiq::RetrySet.
Or if you're no fun you can use q.clear
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Using scanf() in C++ programs is faster than using cin?
...f this is true, but when I was reading FAQ on one of the problem providing sites, I found something, that poke my attention:
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Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c
... EU Article 5(3) of the E-Privacy Directive (a.k.a 'The Cookie Laws'), web sites that target EU users have to gain opt-in consent from users before they set a cookie.
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Difference between CouchDB and Couchbase
...er 2.0 release (currently at Developer Preview 3) will add index and query functionality. While Couchbase Server 2.0 will incorporate substantial technology from the CouchDB project, it will not be upward compatible with CouchDB and it shouldn’t be viewed as a “version of CouchDB.” [emphasis ...
Get URL of ASP.Net Page in code-behind [duplicate]
...erent servers, and I want to get the URL of the page (or even better: the site where the page is hosted) as a string for use in the code-behind. Any ideas?
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动态追踪（Dynamic Tracing）技术漫谈 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...的工具输出这些长尾 DNS 查询的具体内容，发现都是涉及 CNAME 展开。显然，这与OpenResty 无关了，而进一步的排查和优化也有了明确的方向。
第三个例子是，我们曾注意到某一个机房的机器存在比例明显高于其他机房的网络超时...
ActionController::InvalidAuthenticityToken
...generated in your view to prove a request is submitted from a form on your site, not somewhere else. This protects against CSRF attacks:
http://en.wikipedia.org/wiki/Cross-site_request_forgery
Check to see who that client/IP is, it looks like they are using your site without loading your views.
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How to set conditional breakpoints in Visual Studio?
...certain number of times. (select Hit Count from the popup menu). This is a fun option to play with as you actually aren't limited to breaking on a certain hit count, but you have options for a few other scenarios as well. I'll leave it to you to explore the possibilities.
You can Set filters on the ...