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Creating an index on a table variable
... IX3 NONCLUSTERED(C1,C2) /*Example composite index*/
);
Filtered indexes and indexes with included columns can not currently be declared with this syntax however SQL Server 2016 relaxes this a bit further. From CTP 3.1 it is now possible to declare filtered indexes for table variables. By RTM it m...
Vim Regex Capture Groups [bau -> byau : ceu -> cyeu]
...ed by escaped parentheses:
:%s/\(\w\)\(\w\w\)/\1y\2/g
Slightly shorter (and more magic-al) is to use \v, meaning that in the pattern after it all ASCII characters except '0'-'9', 'a'-'z', 'A'-'Z' and '_' have a special meaning:
:%s/\v(\w)(\w\w)/\1y\2/g
See:
:help \(
:help \v
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How to specify a port number in SQL Server connection string?
...
For JDBC the proper format is slightly different and as follows:
jdbc:microsoft:sqlserver://mycomputer.test.xxx.com:49843
Note the colon instead of the comma.
share
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im...
What is the maximum value for an int32?
...correctly in the mirror. Otherwise you'll see 746,384,741,2 which is wrong and would be embarrassing.
– Larry S
Apr 21 '16 at 20:20
127
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What's the difference between nohup and ampersand
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nohup catches the hangup signal (see man 7 signal) while the ampersand doesn't (except the shell is confgured that way or doesn't send SIGHUP at all).
Normally, when running a command using & and exiting the shell afterwards, the shell will terminate the sub-command with the hangup sign...
Equivalent VB keyword for 'break'
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In both Visual Basic 6.0 and VB.NET you would use:
Exit For to break from For loop
Wend to break from While loop
Exit Do to break from Do loop
depending on the loop type. See Exit Statements for more details.
...
Emulating a do-while loop in Bash
...s an actual program whereas : is built-in. The former simply exits with 0 (and false with 1) the latter does absolutely nothing. You can check with which true.
– Fleshgrinder
Dec 2 '19 at 7:01
...
Rails: Get Client IP address
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I would just use the request.remote_ip that's simple and it works. Any reason you need another method?
See: Get real IP address in local Rails development environment
for some other things you can do with client server ip's.
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How do you format the day of the month to say “11th”, “21st” or “23rd” (ordinal indicator)?
...e chance for a bug. Such a bug actually exists in the table for 7tn, 17tn, and 27tn (this bug might get fixed as time goes on because of the fluid nature of StackOverflow, so check the version history on the answer to see the error).
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How to do constructor chaining in C#
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You use standard syntax (using this like a method) to pick the overload, inside the class:
class Foo
{
private int id;
private string name;
public Foo() : this(0, "")
{
}
public Foo(int id, string name)
...