大约有 44,000 项符合查询结果(耗时:0.0404秒) [XML]

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Manually map column names with class properties

... This works fine: var sql = @"select top 1 person_id PersonId, first_name FirstName, last_name LastName from Person"; using (var conn = ConnectionFactory.GetConnection()) { var person = conn.Query<Person>(sql).ToList(); return person; } Da...
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How to evaluate a math expression given in string form?

...r) { return new Object() { int pos = -1, ch; void nextChar() { ch = (++pos < str.length()) ? str.charAt(pos) : -1; } boolean eat(int charToEat) { while (ch == ' ') nextChar(); if (ch == charToEat) { nextChar...
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App Inventor 2 SQLite 拓展:超流行兼容主流SQL语法的迷你本地数据库引擎...

...原始调用中指定的标签以及新行或更新行的行 ID。 AfterSelect(tag,rowCount,rows) 此事件在异步 Select 调用后触发。 提供原始调用中指定的标签、返回的行数以及结果行数据。 AfterUpdate(tag,rowCount) 此事件在异步 Update 调用后触发。...
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Wildcards in jQuery selectors

...htly blurred with respect to the two and so your able to use the attribute selectors for (at least some) properties. – johntrepreneur May 10 '13 at 21:14 ...
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Is there an onSelect event or equivalent for HTML ?

I have an input form that lets me select from multiple options, and do something when the user changes the selection. Eg, ...
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Where does Console.WriteLine go in ASP.NET?

...ass DebugTextWriter : System.IO.TextWriter { public override void Write(char[] buffer, int index, int count) { System.Diagnostics.Debug.Write(new String(buffer, index, count)); } public override void Write(string value) { System.Diagnostics.Debug.Write(value); } public...
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Sequence contains no elements?

...in dc.BlogPosts where p.BlogPostID == id select p).Single(); Also; if this is LINQ-to-SQL, then in the current version you get a slightly better behaviour if you use the form: var id = ID; BlogPost post = dc.BlogPosts.Single(p => p.BlogPostID == id); ...
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How do I show the value of a #define at compile-time?

...ment with the argument enclosed in double quotes. Thus: #define STR(x) #x char *s1 = "abc"; char *s2 = STR(abc); will assign identical values to s1 and s2. If you run gcc -E you can see this in the output. Perhaps STR would be better named something like ENQUOTE. This solves the problem of putti...
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Why does base64 encoding require padding if the input length is not divisible by 3?

... either have to decode 4 bytes at a time or split the string after padding characters. It seems like those implementations just ignore the padding chars, even when they are in the middle of a string. – Roman May 30 at 7:02 ...
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Comparing date ranges

... range_start, here's some simple SQL to retrieve all the matching rows: SELECT * FROM periods WHERE NOT (range_start > @check_period_end OR range_end < @check_period_start) Note the NOT in there. Since the two simple rules finds all the non-matching rows, a simple NOT will reve...