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How do I create multiple submit buttons for the same form in Rails?

... Similar solution to one suggested by @vss123 without using any gems: resources :plan do post :save, constraints: lambda {|req| req.params.key?(:propose)}, action: :propose post :save, constraints: lambda {|req| req.params.key?(:finalize)}, action: :finalize end...
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How do I immediately execute an anonymous function in PHP?

... @yes123 nope. still have to use call_user_func – Gordon Oct 30 '12 at 22:41 2 ...
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2024 全“心”出发 -- 全新App Inventor 2 移动社区开启新征程 - App Inven...

...努力! 为什么使用两个独立的域名:bbs.tsingfun.com 和 fun123.cn? fun123.cn 作为纯粹的App Inventor 2 中文编程平台,及中文文档教程平台;bbs.tsingfun.com作为社区及App Inventor 2之外技术的讨论,看起来独立,实际则是可以融为一体的。...
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jquery loop on Json data using $.each

... EDIT: try with this and describes what the result $.get('/Cms/GetPages/123', function(data) { alert(data); }); FOR EDIT 3: this corrects the problem, but not the idea to use "eval", you should see how are the response in '/Cms/GetPages/123'. $.get('/Cms/GetPages/123', function(data) { $....
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Can I mix MySQL APIs in PHP?

...swered Jul 9 '15 at 13:59 Rizier123Rizier123 55k1616 gold badges7777 silver badges119119 bronze badges ...
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How do I round a decimal value to 2 decimal places (for output on a page)

...ou just need this for display use string.Format String.Format("{0:0.00}", 123.4567m); // "123.46" http://www.csharp-examples.net/string-format-double/ The "m" is a decimal suffix. About the decimal suffix: http://msdn.microsoft.com/en-us/library/364x0z75.aspx ...
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Save modifications in place with awk

...ace.awk include file to invoke the extension properly like so: $ cat file 123 abc 456 def 789 hij $ gawk -i inplace '{print $1}' file $ cat file 123 456 789 The variable INPLACE_SUFFIX can be used to specify the extension for a backup file: $ gawk -i inplace -v INPLACE_SUFFIX=.bak '{print $1}'...
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Identify if a string is a number

... int n; bool isNumeric = int.TryParse("123", out n); Update As of C# 7: var isNumeric = int.TryParse("123", out int n); or if you don't need the number you can discard the out parameter var isNumeric = int.TryParse("123", out _); The var s can be replaced ...
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What are copy elision and return value optimization?

... when the two objects would have been destroyed without the optimization.123 This elision of copy/move operations, called copy elision, is permitted in the following circumstances (which may be combined to eliminate multiple copies): — in a return statement in a function with a class re...
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(Built-in) way in JavaScript to check if a string is a valid number

...rns true if the variable does NOT contain a valid number Examples isNaN(123) // false isNaN('123') // false isNaN('1e10000') // false (This translates to Infinity, which is a number) isNaN('foo') // true isNaN('10px') // true Of course, you can negate this if you need...