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What is the curiously recurring template pattern (CRTP)?

... Apple a2; a1.size = 10; a2.size = 10; if(a1 == a2) //the compiler won't complain! { } } This could seem that you would write less if you just wrote operator == for Apple, but imagine that the Equality template would provide not only == but >, >=, <= etc. And you...
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Callback on CSS transition

...red as expected. A blog post about this problem is available here: http://www.cuppadev.co.uk/the-trouble-with-css-transitions/ <-- 500 Internal Server Error With this in mind, I tend to use this event in a chunk of code that looks a bit like this: var transitionEndEventName = "XXX"; //figure o...
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Getting current directory in .NET web application

...ation) An example: Let's say you pointed a web site application (http://www.example.com/) to C:\Inetpub\wwwroot and installed your shop application (sub web as virtual directory in IIS, marked as application) in D:\WebApps\shop For example, if you call Server.MapPath in following request: ...
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Select arrow style change

...;svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>"); background-repeat: no-repeat; background-position-x: 100%; background-position-y: 5px; border: 1px sol...
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How to find and return a duplicate value in array

...u need an even faster solution, maybe try C instead. And here is the gist comparing different solutions: https://gist.github.com/naveed-ahmad/8f0b926ffccf5fbd206a1cc58ce9743e share | improve this a...
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Why is there a difference in checking null against a value in VB.NET and C#?

...de different assumptions about usage; in this case the semantics of a NULL comparison. My personal preference is for the VB.NET semantics, which in essence gives NULL the semantics "I don't know yet". Then the comparison of 5 to "I don't know yet". is naturally "I don't know yet"; ie NULL. This has...
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techniques for obscuring sensitive strings in C++

...OR key2 If you create key1 with the same byte-length as key you can use (completely) random byte values and then compute key2: key1[n] = crypto_grade_random_number(0..255) key2[n] = key[n] XOR key1[n] You can do this in your build environment, and then only store key1and key2 in your applicatio...
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Make a URL-encoded POST request using `http.NewRequest(…)`

... want to make a POST request to an API sending my data as a application/x-www-form-urlencoded content type. Due to the fact that I need to manage the request headers, I'm using the http.NewRequest(method, urlStr string, body io.Reader) method to create a request. For this POST request I append m...
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Converting strings to floats in a DataFrame

...gle column. – Jack Jun 19 '16 at 15:01 20 ...
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I can not find my.cnf on my windows computer [duplicate]

My computer is Windows XP. 6 Answers 6 ...