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C# : 'is' keyword and checking for Not
...ng was not a particular type. I've done it (!(child is Something)) forever now, but I thought I'd make sure there wasn't a better way.
– Hugoware
May 1 '09 at 14:43
1
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Keep SSH session alive [closed]
...ias:
alias sshprod='ssh -v -o ServerAliveInterval=60 myname@myhost.com'
Now can connect like this:
me@MyMachine:~$ sshprod
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Seeking clarification on apparent contradictions regarding weakly typed languages
...ed. The cast operator violates static typing; it says to the compiler "I know more about the runtime type of this expression than you do". If the developer is wrong, then the runtime will throw an exception in order to protect type safety. If the developer wishes to break type safety or memory safe...
Git diff --name-only and copy that list
...o use -i instead, which is deprecated in later versions - 4.1 is quite old now. I'll update my answer.
– Mark Longair
Apr 9 '11 at 15:23
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How do I make a composite key with SQL Server Management Studio?
...ht both rows in the table design view and click on the key icon, they will now be a composite primary key.
I'm not sure of your question, but only one column per table may be an IDENTITY column, not both.
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In jQuery how can I set “top,left” properties of an element with position values relative to the par
...reshing my memory on setting position, I'm coming to this so late I don't know if anyone else will see it, but --
I don't like setting position using css(), though often it's fine. I think the best bet is to use jQuery UI's position() setter as noted by xdazz. However if jQuery UI is, for some reas...
How do I get the name of the active user via the command line in OS X?
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If you want to know who's currently logged in to the system:
$ w
15:56:14 up 5 days, 20:58, 6 users, load average: 0.43, 0.53, 0.50
USER TTY LOGIN@ IDLE JCPU PCPU WHAT
me pts/2 Fri19 1:03m 0.98s 0.98s -/b...
Run MySQLDump without Locking Tables
...ng (and you use foreign keys), you're dump may be inconsistent. You won't know until you restore it and happen to run JOIN queries on the inconsistent data. It may take a while for the inconsistent data to be discovered because the JOINs are used by your application not Mysql (with MyISAM tables); t...
In MySQL, how to copy the content of one table to another table within the same database?
...at w3school page is for a different SQL, not intended for MySQL. w3schools now has error reporting, if you find issues report it on their site to assist with accurate knowledge.
– Nightwolf
Sep 27 '17 at 10:50
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How to remove all white space from the beginning or end of a string?
....Trim();
csharp> (object) a == (object) trimmed;
returns true
I don't know whether this is guaranteed by the language.)
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