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Look up all descendants of a class in Ruby
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For extra safety one should write ObjectSpace.each_object(::Class) - this will keep the code working when you happen to have a YourModule::Class defined.
– Rene Saarsoo
Oct 3 '11 at 10:42
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SQL UPDATE all values in a field with appended string CONCAT not working
...iguous example would be: UPDATE table SET column_name=concat(column_name, 'string');
– Kiky Rodriguez
Dec 11 '18 at 19:09
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WCF vs ASP.NET Web API [closed]
...h WCF even for simple or simplest single web service it will bring all the extra baggage. For light weight simple service for ajax or dynamic calls always WebApi just solves the need. This neatly complements or helps in parallel to the ASP.net MVC.
Check out the podcast : Hanselminutes Podcast 264 ...
How to prevent form from submitting multiple times from client side?
...o linking the identifier to the users session and match that, as well, for extra security.) After the data processing delete the identifier.
Of course, once in a while, you'd need to clean up the identifiers for which never any form data was submitted. But most probably your website already employs...
Maven build failed: “Unable to locate the Javac Compiler in: jre or jdk issue”
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For me an extra step was needed: going to the properties of said project->java build path->libraries->select "JRE System Library", click Edit and select "Workspace default JRE"
– maayank
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Difference between if () { } and if () : endif;
...n your code"? I think it is same for the traditional syntax {} as well. No extra echo is needed <?php if(...){ ?> ... <?php }else{ ?> ... <?php } ?>. What is the difference with <?php if(...): ?> ... <?php else: ?> ... <?php endif ?>?
– Sithu...
How To: Best way to draw table in console app (C#)
...mething like the following:
static int tableWidth = 73;
static void Main(string[] args)
{
Console.Clear();
PrintLine();
PrintRow("Column 1", "Column 2", "Column 3", "Column 4");
PrintLine();
PrintRow("", "", "", "");
PrintRow("", "", "", "");
PrintLine();
Console.Re...
Show percent % instead of counts in charts of categorical variables
... shows what additional columns are added to the data frame by ggplot2. All extra columns are of the form ..variable...
– Ramnath
May 17 '14 at 13:42
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What's the shortest code to cause a stack overflow? [closed]
...LL (relative call) is smaller still (not global memory, so no need for the extra 2 bytes):
RCALL $
1101 1000 0000 0000
So the smallest on the PIC18 is a single instruction, 16 bits (two bytes). This would take 2 instruction cycles per loop. At 4 clock cycles per instruction cycle you've got 8 c...
How does delete[] “know” the size of the operand array?
... but to get the size myself in that same function I have to pass around an extra parameter. Does that make any sense?
– Mark Ruzon
Jun 11 '09 at 0:16
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