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How can I do DNS lookups in Python, including referring to /etc/hosts?

... list( map( lambda x: x[4][0], socket.getaddrinfo( \ 'www.example.com.',22,type=socket.SOCK_STREAM))) gives you a list of the addresses for www.example.com. (ipv4 and ipv6) share | ...
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How can I open Java .class files in a human-readable way?

... what you are looking for is a java de-compiler. I recommend JAD http://www.kpdus.com/jad.html It's free for non commercial use and gets the job done. Note: this isn't going to make the code exactly the same as what was written. i.e. you're going to lose comments and possibly variable names, s...
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Using scp to copy a file to Amazon EC2 instance?

... /home/ubuntu). in my case the file which I wanted to download was at /var/www SampleFile2.txt: It will be path of your machine's root path(In my case, /home/MyPCUserName) So, I have to write below command scp -i /path/my-key-pair.pem ec2-user@ec2-198-51-100-1.compute-1.amazonaws.com:~/../../var/...
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What's the difference between a proxy server and a reverse proxy server? [closed]

... the proxy web site, proxy.example.org Z = the web site you want to visit, www.example.net Normally, one would connect directly from X --> Z. However, in some scenarios, it is better for Y --> Z on behalf of X, which chains as follows: X --> Y --> Z. Reasons why X would want to use a...
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How do I make a text input non-editable?

...="3" class="field left" readonly="readonly"> More info: http://www.w3schools.com/tags/att_input_readonly.asp share | improve this answer | follow |...
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What does FrameLayout do?

... Are you sure that you googled it? http://www.tutorialspoint.com/android/android_frame_layout.htm Frame Layout is designed to block out an area on the screen to display a single item. Generally, FrameLayout should be used to hold a single child view, because it ...
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Rails params explained?

...re encoded in the url. For example, if a user's browser requested http://www.example.com/?foo=1&boo=octopus then params[:foo] would be "1" and params[:boo] would be "octopus". In HTTP/HTML, the params are really just a series of key-value pairs where the key and the value are strings, but Ru...
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HTML if image is not found

...s not found image ( 404.svg ). <img id="currentPhoto" src="https://www.ccrharrow.org/Images/content/953/741209.pg" onerror="this.src='https://www.unesale.com/ProductImages/Large/notfound.png'" alt=""> share ...
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Open a URL in a new tab (and not a new window)

...ng an event listener to your DOM object. <div onclick="openInNewTab('www.test.com');">Something To Click On</div> http://www.tutsplanet.com/open-url-new-tab-using-javascript/ share | ...
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一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区,...

...nbsp;    下载链接:        http://www.viewtool.com/index.php/22-2016-07-29-02-11-32/205-hollong-4-0-4-1-ble 4. MTU 请求(REQEUST)    完整数据(以下关注蓝色标注部分)         1)  存取地址...