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Call one constructor from another
...adonly field needs to be set, the code which sets it could call the method and assign the field using the return value, but any number of fields may be written directly with ref. Also, in case it matters, changes made via the ref parameter take place immediately, even before the function returns, w...
JavaScript Form Submit - Confirm or Cancel Submission Dialog Box
...or the user's convenience. JavaScript code is freely editable by the user, and should not be trusted. The real validation should always be done in the back end to avoid malformed or malicious data reaching your database or server.
– Adrian Wiik
Sep 7 at 22:21
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C# Sort and OrderBy comparison
...0ms
In this scenario it looks like OrderBy performs better.
UPDATE2:
And using random names:
List<Person> persons = new List<Person>();
for (int i = 0; i < 100000; i++)
{
persons.Add(new Person("P" + i.ToString(), RandomString(5, true)));
}
Where:
private static Random r...
ASP.NET MVC Html.ValidationSummary(true) does not display model errors
...tionSummary. I don't want to display property errors in ValidationSummary. And when I set Html.ValidationSummary(true) it does not display error messages from ModelState. When there is some Exception in controller action on string
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How to get a date in YYYY-MM-DD format from a TSQL datetime field?
...QL Server in YYYY-MM-DD format? I need this to work with SQL Server 2000 and up. Is there a simple way to perform this in SQL Server or would it be easier to convert it programmatically after I retrieve the result set?
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Reading Properties file in Java
...k Elliot what if I have a conf package to store all my configuration files and my file hierarchy is: myproject ->src, conf, test ,how am i gonna load the properties by adding a preceding slash?
– Roger Ray
Aug 3 '13 at 15:03
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How do I convert datetime to ISO 8601 in PHP
...at: ±[hh]:[mm], ±[hh][mm], or ±[hh].
But note that, +0X:00 is correct, and +0X00 is incorrect for extended usage. So it's better to use date("c"). A similar discussion here.
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Is there a way to specify how many characters of a string to print out using printf()?
...ogous to the "%8.8s" notation, but again allows you to specify the minimum and maximum lengths at runtime - more realistically in a scenario like:
printf("Data: %*.*s Other info: %d\n", minlen, maxlen, string, info);
The POSIX specification for printf() defines these mechanisms.
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What method in the String class returns only the first N characters?
...first str.Length characters of str", but Substring does that check for you and just does return this if you've asked for the whole string.
– stevemegson
Aug 25 '10 at 14:37
2
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联网 App 入门专题：5 课从共享留言到带图商品墙（附 .aia 源码与服务端） ...
...入并保存重开（0 错误）、经平台真实后台导入、编译出 Android APK；每课的业务逻辑都连着真实运行的服务端执行最终积木检查，共 110 项。真机运行、AI 伴侣联调、手机与电脑之间真实的局域网访问还没有测，详见验证记录。
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