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How do I check if an index exists on a table field in MySQL?
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SHOW INDEX FROM my_table WHERE Key_name = 'index_to_check';
– mit
Nov 13 '10 at 2:58
6
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Use of alloc init instead of new
...swered Mar 6 '13 at 15:49
guitar_freakguitar_freak
4,19566 gold badges2727 silver badges4242 bronze badges
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When and why JPA entities should implement Serializable interface?
...implementing the serializable interface?
– Hanumantha_3048092
Dec 20 '19 at 6:55
@Hanumantha_3048092 Yes. Entity mappi...
Does a finally block always run?
...led. Is there a catch that I am missing? download.oracle.com/docs/cd/E17476_01/javase/1.5.0/docs/guide/…
– spurserh
Jul 18 '10 at 14:40
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Gradle store on local file system
...the local file system? Maven stores them in the .m2 directory under USER_HOME , but where does Gradle store them? I checked the .gradle folder there, but saw only compiled scripts.
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Regular Expression to match only alphabetic characters
...l make sure that nothing but these alphabets will be matched.
Code:
preg_match('/^[A-Z]+$/i', "abcAbc^Xyz", $m);
var_dump($m);
Output:
array(0) {
}
Test case is for OP's comment that he wants to match only if there are 1 or more alphabets present in the input. As you can see in the test case...
Where does Oracle SQL Developer store connections?
... file will have the details including passwords.
– AM_86
Jan 7 at 16:39
How to find decrypt Key . I am getting this to...
Bash command to sum a column of numbers [duplicate]
...0s
user 2m26.230s
sys 0m0.660s
bash-2.03$ time perl -nle'
$s += $_; END { print $s }
' infile
1.249999925e+15
real 1m34.663s
user 1m33.710s
sys 0m0.650s
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Send and receive messages through NSNotificationCenter in Objective-C?
...your view, don't forget to send it from the main thread by calling dispatch_async:
dispatch_async(dispatch_get_main_queue(),^{
[[NSNotificationCenter defaultCenter] postNotificationName:@"my_notification" object:nil];
});
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How do I get the full url of the page I am on in C#
...efer to for this type of information:
Request.ApplicationPath : /virtual_dir
Request.CurrentExecutionFilePath : /virtual_dir/webapp/page.aspx
Request.FilePath : /virtual_dir/webapp/page.aspx
Request.Path : /virtual_dir/webapp/page.aspx
Request.PhysicalApplicationPath : d:\Inetpub\wwwroot\vir...