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Inserting data into a temporary table
... into the "There is already an object named '#TempTable' in the database." error (should you run the query again...)
– Rhdr
Apr 29 '19 at 6:21
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I cannot start SQL Server browser
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I get an error The service cannot be started, either because it is disabled or because it has no enabled devices associated with it. [0x80070422]
– Zach Smith
May 18 '17 at 18:46
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Auto column width in EPPlus
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getting error all the day down. "'System.Drawing is not supported on this platform."
– Kursat Turkay
Mar 24 '18 at 12:34
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Simplest way to do a fire and forget method in c# 4.0
...atic class Blindly
{
private static readonly Action<Task> DefaultErrorContinuation =
t =>
{
try { t.Wait(); }
catch {}
};
public static void Run(Action action, Action<Exception> handler = null)
{
if (action == null)
...
Keep CMD open after BAT file executes
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Beware that if your program contains syntactical errors, the window will still close if you ran it via double-click and put cmd /k at the end.
– Tobias Feil
Jun 25 '19 at 6:47
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How do I use CREATE OR REPLACE?
...E in a script, and you don't care for the spurious "object does not exist" errors (when the DROP doesn't find the table), you can do this:
BEGIN
EXECUTE IMMEDIATE 'DROP TABLE owner.mytable';
EXCEPTION
WHEN OTHERS THEN
IF sqlcode != -0942 THEN RAISE; END IF;
END;
/
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Open existing file, append a single line
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Only option to not throw an error if called in rapid succession
– Alien Technology
Nov 12 '18 at 18:30
add a comment
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Android - print full exception backtrace to log
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The standard output and error output are directed to /dev/null by default so it is all lost. If you want to log this output then you need to follow the instructions "Viewing stdout and stderr" shown here
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How to design a multi-user ajax web application to be concurrently safe
...2 or you could tell User 2 that his data is out of date and display him an error message as soon as his data gets send to the server. The latter isn't very user friendly option here, but the former is very hard to implement.
One of the few implementations that really got this right for the first ti...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...F_LEN];
ifstream in("test.txt");
if (! in.is_open())
{
cout << "Error opening file";
exit (-1);
}
while ( !in.eof() )
{
in.getline(buffer, MAX_BUF_LEN);
cout << buffer << endl;
}
return 0;
}
Java读写文件:
import java.io.File;
import java.io.FileInputSt...