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Increasing the maximum number of TCP/IP connections in Linux

...n's capability, bump it up from default 128 to something like 128 to 1024. Now you can take advantage of this increase by modifying the listen backlog variable in your application's listen call, to an equal or higher integer. sysctl net.core.somaxconn=1024 txqueuelen parameter of your ethernet ca...
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Do we need semicolon at the end? [duplicate]

... The concept is known as JavaScript Semicolon Insertion or "Automatic Semicolon Insertion". This blog post: JavaScript Semicolon Insertion: Everything you need to know outlines the concept well in an understandable manner using examples unde...
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How can I load storyboard programmatically from class?

... storyboard programmatically. Project was started developing with xib, and now it's very hard to nest all xib files in storyboard. So I was looking a way to do it in code, like with alloc, init, push for viewControllers. In my case I have only one controller in storyboard: UITableViewController ,...
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SQL injection that gets around mysql_real_escape_string()

...5.6 by default: big5, cp932, gb2312, gbk and sjis. We'll select gbk here. Now, it's very important to note the use of SET NAMES here. This sets the character set ON THE SERVER. If we used the call to the C API function mysql_set_charset(), we'd be fine (on MySQL releases since 2006). But more on wh...
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open read and close a file in 1 line of code

Now I use: 11 Answers 11 ...
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how to use python to execute a curl command

....post(url, files=files) print r.text, print r.json ahh thanks @LukasGraf now i better understand what his original code is doing import requests,json url = "https://www.googleapis.com/qpxExpress/v1/trips/search?key=mykeyhere" my_json_data = json.load(open("request.json")) req = requests.post(url,...
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Merging dictionaries in C#

...ethod of course (with a better name, but I don't have time to think of one now) - it's not terribly hard to do, just overwriting (or ignoring) duplicate keys. The important bit (to my mind) is using SelectMany, and realising that a dictionary supports iteration over its key/value pairs. ...
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CSS \9 in width property

...ls wide. More info EDIT: This answer was written in 2011. It should now be noted that this hack also works in IE 10. share | improve this answer | follow ...
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What's the best way to retry an AJAX request on failure using jQuery?

... return settings => $oldAjax(settings).always(check) })($.ajax); // now we can use the "retries" property if we need to retry on fail $.ajax({ type : 'GET', url : 'http://www.whatever123.gov', timeout : 2000, retries : 3, // <-------...
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How can I output leading zeros in Ruby?

... If the maximum number of digits in the counter is known (e.g., n = 3 for counters 1..876), you can do str = "file_" + i.to_s.rjust(n, "0") share | improve this answer ...