大约有 23,000 项符合查询结果（耗时：0.0321秒） [XML]
SCOPE_IDENTITY() for GUIDs?
...read the value from .Net you would just use the ExecuteScalar method.
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string sql = "INSERT INTO GuidTest(IntColumn) OUTPUT inserted.GuidColumn VALUES(1)";
SqlCommand cmd = new SqlCommand(sql, conn);
Guid guid = (Guid)cmd.ExecuteScalar();
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navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
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You should not use function inside string. Evil eval works there unnessesarrily. setTimeout("geolocFail()", 10000);
– localhoost
Aug 23 '17 at 16:45
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How to use WPF Background Worker
...vate static BackgroundWorker backgroundWorker;
static void Main(string[] args)
{
backgroundWorker = new BackgroundWorker
{
WorkerReportsProgress = true,
WorkerSupportsCancellation = true
};
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How can foreign key constraints be temporarily disabled using T-SQL?
...e like that can be a nightmare if the failing data is at the end of a long string of linked constraints.
– Jimoc
Oct 1 '08 at 18:44
1
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Python argparse command line flags without arguments
...dea this is in the long run. Imagine that you start out by checking if the string "--flag" is in sys.argv. Then you look at the end of sys.argv[-1] to see which file to open. All of a sudden you end up with a situation where if you try to open a file named --flag, then it will behave unexpectedly, a...
How to host google web fonts on my own server?
...few people tend to want this. Google is hiding this fonts behind generated strings and does no open source the actually webfont files in the repo only the ttf. They want us to use their fonts, they want us to use their servers because they abuse this for tracking people. And even the most privacy aw...
Are PostgreSQL column names case-sensitive?
...ame" = 'xyz';
Also fix the incorrect double-quotes around 'xyz'. Values (string literals) are enclosed in single quotes.
Read the manual here.
My standing advice is to use legal, lower-case names exclusively so double-quoting is not needed.
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C#: List All Classes in Assembly
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Use Assembly.GetTypes. For example:
Assembly mscorlib = typeof(string).Assembly;
foreach (Type type in mscorlib.GetTypes())
{
Console.WriteLine(type.FullName);
}
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What exceptions should be thrown for invalid or unexpected parameters in .NET?
...rown when the format of an argument is invalid, or when a composite format string is not well formed.
– Anthony
Sep 11 '18 at 0:58
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Does using final for variables in Java improve garbage collection?
...e improvement. This is used when you have a number of public static final Strings in a class.
In general, the compiler and runtime will optimize where it can. It is best to write the code appropriately and not try to be too tricky. Use final when you do not want the variable to be modified. Ass...