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ZMQ: 基本原理 - 开源 & Github - 清泛网 - 专注C++内核技术

...这个领域里的将做的工作打好基础。   转载自:http://www.oschina.net/translate/zmq-concepts ZMQ 0MQ ZeroMQ ...
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Meaning of $? (dollar question mark) in shell scripts

...special variables like this, as you can see on this online manual: https://www.gnu.org/s/bash/manual/bash.html#Special-Parameters share | improve this answer | follow ...
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Is there a way to check if a file is in use?

...f professionals notice this is a bad thing, and join to downvote, then the site is WAI. And before you get negative, if you read that article, they say to "upvote the right answer" not downvote the wrong one. Do you want them to explain their upvotes in comments as well. Thanks for introducing me to...
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What is the overhead of creating a new HttpClient per call in a WebAPI client?

... Related to high-volume web sites but not directly to HttpClient. We have the snippet of code below in all of our services. // number of milliseconds after which an active System.Net.ServicePoint connection is closed. const int Default...
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How to perform Callbacks in Objective-C

...legate callbacks are optional, you'll typically guard them at the dispatch site with something like "if ([delegate respondsToSelector:@selector(myClassWillDoSomething:)) {". In my example, the delegate is required to implement both methods. Instead of an informal protocol, you can also use a formal...
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When to use window.opener / window.parent / window.top

...g with the top level browser window. You can use it for preventing another site from iframing your website, among other things. If you add some more detail to your question, I can supply other more relevant examples. UPDATE: There are a few ways you can handle your situation. You have the followin...
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100% width Twitter Bootstrap 3 template

...cause of this - Folks looking to create fully fluid layouts (meaning your site stretches the entire width of the viewport) must wrap their grid content in a containing element with padding: 0 15px; to offset the margin: 0 -15px; used on .rows. - getbootstrap.com/css/#grid-intro ...
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Using Node.js only vs. using Node.js with Apache/Nginx

... can more easily display meaningful error pages or fall back onto a static site if your node service crashes. Otherwise users may just get a timed out connection. Running another web server in front of Node may help to mitigate security flaws and DoS attacks against Node. For a real-world example, C...
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What is a PDB file?

...ou should be doing is create the pdb files but don't ship them to customer site in product installer. Preserve all the generated PDB files on to a symbol server from where it can be used/referenced in future if required. Specially for cases when you debug issues like process crash. When you start an...
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What are the benefits of dependency injection containers?

...ide of an IoC though. Additionally if your app is used either at multiple sites (with different server and component configuration) or has a changing configuration on the live environment you can use the later stages of testing to verify that the app will handle those changes. Production As a dev...