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Solutions for INSERT OR UPDATE on SQL Server
...eld1, field2, ... )
values ( 7, source.field1, source.field2, ... )
Now it's really just one IO operation, but awful code :-(
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How do I execute a string containing Python code in Python?
...pser you should be mych more concerned with using exec at all (unless you know the code string comes from a trusted source).
– bruno desthuilliers
Dec 2 '19 at 17:00
add a com...
Is nested function a good approach when required by only one function? [closed]
...
-1 yes, they are commonly used as closures. Now reread the question. He basically asked if the concept he shows can be used for case b. Telling him that this is often used for case a is not a bad answer, but the wrong one for this question. He is interested whether it ...
Display open transactions in MySQL
...ut down and restarted between the first and second statements without you knowing it:
Also see: http://dev.mysql.com/doc/refman/5.0/en/auto-reconnect.html
How to diagnose and fix this
To check for auto-reconnection:
If an automatic reconnection does occur (for example, as a result of calli...
How to get a index value from foreach loop in jstl
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I need to know the index[location] of each element comes in the String Array.
– Java Questions
Sep 16 '13 at 11:10
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Convert INT to VARCHAR SQL
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Thanks. But now I got another error. When I try to do this kind of Select : SELECT CONVERT(varchar(10), field_name) FROM table_name. Or even the normal one like: SELECT field_name FROM table_name. Both are correct. I dont know why. But w...
Open a buffer as a vertical split in VIM
...ase your pain by adding the following to your .vimrc
cabbrev vb vert sb
Now you can use it in the following way.
:vb <buffer>
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moment.js - UTC gives wrong date
... string in the local time zone of the browser by default. I'm on EDT right now. new Date('2010-12-12') gives me Date {Sat Dec 11 2010 19:00:00 GMT-0500 (Eastern Daylight Time)} in FF 38.0.5. Just to contextualize what "in the local time" means, exactly -- in this case, it appears to mean, "Date will...
Easiest way to check for an index or a key in an array?
...) return 1 ;;
esac";
}
$ getIfExist array key1
red
$ echo $?
0
$ # now with an empty defined value
$ array["key4"]=""
$ getIfExist array key4
$ echo $?
0
$ getIfExist array key5
$ echo $?
1
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The difference between try/catch/throw and try/catch(e)/throw e
...nless you are simply using this to log the exceptions, should be avoided). Now look at these:
try { ... }
catch ()
{
/* ... */
throw;
}
try { ... }
catch (Exception e)
{
/* ... */
throw;
}
try { ... }
catch (Exception e)
{
/* ... */
throw e;
}
The first and second try-ca...