大约有 41,000 项符合查询结果（耗时：0.0244秒） [XML]
composer: How to find the exact version of a package?
...ut...
composer.phar show
Will show all the currently installed packages and their version information. (This was shown in previous versions of Composer only when using the now-deprecated -i option.)
To see more details, specify the name of the package as well:
composer.phar show monolog/monolo...
What is the equivalent of bigint in C#?
...insert and used a
SELECT @@identity
on my bigint primary key, and I get a cast error using long - that was why I started this search. The correct answer, at least in my case, is that the type returned by that select is NUMERIC which equates to a decimal type. Using a long will cause a cast exceptio...
Execute Insert command and return inserted Id in Sql
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I was getting an invalid cast error when trying to cast the int modified = (int)cmd.ExecuteScalar(); to an int. I had to use Convert to convert it to an int. int modified = Convert.ToInt32(cmd.ExecuteScalar());
– Baddack
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Find a value anywhere in a database
...have different versions for different variable types. That way you're not casting and it will run quicker. You could also compare the file types to search cast-able types. An integer could be in a varchar field.
– SQLMason
Jun 5 '19 at 15:00
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Converting from IEnumerable to List [duplicate]
...ections.IEnumerable instead of IEnumerable<T> you can use enumerable.Cast<object>().ToList()
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Possible Loss of Fraction
...two int's into a floating point value the fraction portion is lost. If you cast one of the items to a float, you won't get this error.
So for example turn 10 into a 10.0
double returnValue = (myObject.Value / 10.0);
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How do I trim leading/trailing whitespace in a standard way?
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You have to cast the argument for isspace to unsigned char, otherwise you invoke undefined behavior.
– Roland Illig
Sep 18 '16 at 1:56
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How do I view the full content of a text or varchar(MAX) column in SQL Server 2008 Management Studio
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I was able to get this to work...
SELECT CAST('<![CDATA[' + LargeTextColumn + ']]>' AS XML) FROM TableName;
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Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...n? var wtf = ((String)null).ToString(); I'm working in Java recently where casting null's is possible, has been a while since I worked with C#.
– Jochem
May 30 '12 at 13:56
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How to search a specific value in all tables (PostgreSQL)?
...LOOP
FOR rowctid IN
EXECUTE format('SELECT ctid FROM %I.%I WHERE cast(%I as text)=%L',
schemaname,
tablename,
columnname,
needle
)
LOOP
-- uncomment next line to get some progress report
-- RAISE NOTICE 'hit in %.%', schemaname, tablename;
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