code-generation

Why generate long serialVersionUID instead of a simple 1L?

北城以北 提交于 2019-11-26 04:35:34
问题 When class implements Serializable in Eclipse, I have two options: add default serialVersionUID(1L) or generated serialVersionUID(3567653491060394677L) . I think that first one is cooler, but many times I saw people using the second option. Is there any reason to generate long serialVersionUID ? 回答1: As far as I can tell, that would be only for compatibility with previous releases. This would only be useful if you neglected to use a serialVersionUID before, and then made a change that you

Is it possible to use Razor View Engine outside asp.net

回眸只為那壹抹淺笑 提交于 2019-11-26 03:29:47
问题 If I look at the Razor View Engine, then I see a very nice and concise syntax that is not particularly tied to generating html. So I wonder, how easy would it be to use the engine outside asp.net in a \"normal\" .net environment for example to generate text, code,... Any pointer, example, comment or explanation is welcome. 回答1: There are two issues here: Yes, you can run the Razor View Engine outside of the context of an ASP.NET app domain, as explained in Andrew's blog: http://vibrantcode

Generating DLL assembly dynamically at run time

最后都变了- 提交于 2019-11-26 03:28:28
问题 Currently I have some code that is being generated dynamically. In other words, a C# .cs file is created dynamically by the program, and the intention is to include this C# file in another project. The challenge is that I would like to generate a .DLL file instead of generating a C# .cs file so that it could be referenced by any kind of .NET application (not only C#) and therefore be more useful. 回答1: using System.CodeDom.Compiler; using System.Diagnostics; using Microsoft.CSharp;

Should I store generated code in source control

守給你的承諾、 提交于 2019-11-26 02:33:15
问题 This is a debate I\'m taking a part in. I would like to get more opinions and points of view. We have some classes that are generated in build time to handle DB operations (in This specific case, with SubSonic, but I don\'t think it is very important for the question). The generation is set as a pre-build step in Visual Studio. So every time a developer (or the official build process) runs a build, these classes are generated, and then compiled into the project. Now some people are claiming,

Can a Java class add a method to itself at runtime?

巧了我就是萌 提交于 2019-11-26 02:09:20
问题 Can a class add a method to itself at runtime (like from a static block), so that if someone is performing reflection on this class, they\'ll see the new method, even though it wasn\'t defined at compile time? Background: A framework I\'m using expects Action classes to be defined that have a doAction(...) method, by convention. The framework inspects these classes at runtime to see what type of parameters are available in their doAction() method. For example: doAction( String a, Integer b) I

Function passed as template argument

瘦欲@ 提交于 2019-11-26 01:36:50
问题 I\'m looking for the rules involving passing C++ templates functions as arguments. This is supported by C++ as shown by an example here: #include <iostream> void add1(int &v) { v+=1; } void add2(int &v) { v+=2; } template <void (*T)(int &)> void doOperation() { int temp=0; T(temp); std::cout << \"Result is \" << temp << std::endl; } int main() { doOperation<add1>(); doOperation<add2>(); } Learning about this technique is difficult, however. Googling for \"function as a template argument\"

Seeking useful Eclipse Java code templates [closed]

爱⌒轻易说出口 提交于 2019-11-26 01:36:36
问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 years ago . You can create various Java code templates in Eclipse via Window > Preferences > Java > Editor > Templates e.g. sysout is expanded to: System.out.println(${word_selection}${});${cursor} You can activate this by typing sysout followed by CTRL+SPACE What useful Java code templates

How to auto-generate a C# class file from a JSON string [closed]

自古美人都是妖i 提交于 2019-11-26 01:21:24
问题 Given the following JSON object, form = { \"name\": \"\", \"address\": { \"street\": \"\", \"city\": \"\", \"province\": \"\", \"postalCode\": \"\", \"country\": \"\" }, \"phoneDay\": \"\", \"phoneCell\": \"\", \"businessName\": \"\", \"website\": \"\", \"email\": \"\" } what is a tool to auto-generate the following C# class? public class ContactInfo { public string Name { get; set; } public Address Address { get; set; } public string PhoneDay { get; set; } public string PhoneCell { get; set;

Convert Python program to C/C++ code? [closed]

孤人 提交于 2019-11-25 23:30:55
问题 is it possible to convert a Python program to C/C++? I need to implement a couple of algorithms, and I\'m not sure if the performance gap is big enough to justify all the pain I\'d go through when doing it in C/C++ (which I\'m not good at). I thought about writing one simple algorithm and benchmark it against such a converted solution. If that alone is significantly faster than the Python version, then I\'ll have no other choice than doing it in C/C++. 回答1: Yes. Look at Cython. It does just

What is the best way to auto-generate INSERT statements for a SQL Server table?

只谈情不闲聊 提交于 2019-11-25 23:24:48
问题 We are writing a new application, and while testing, we will need a bunch of dummy data. I\'ve added that data by using MS Access to dump excel files into the relevant tables. Every so often, we want to \"refresh\" the relevant tables, which means dropping them all, re-creating them, and running a saved MS Access append query. The first part (dropping & re-creating) is an easy sql script, but the last part makes me cringe. I want a single setup script that has a bunch of INSERTs to regenerate