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How do I change the UUID of a virtual disk?
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The correct command is the following one.
VBoxManage internalcommands sethduuid "/home/user/VirtualBox VMs/drupal/drupal.vhd"
The path for the virtual disk contains a space, so it must be enclosed in double quotes to avoid it is parsed as two parameters.
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Why should you use an ORM? [closed]
... @troelskn: I agree, I have used many RDBMS products, but never more than one or two per project. So portability isn't the most practical value of abstracting SQL. I think many ORM users simply want to avoid coding in SQL at all.
– Bill Karwin
Dec 29 '09 at ...
T-SQL split string
...I need to split by a comma. I have seen many answers on StackOverflow but none of them works in R2. I have made sure I have select permissions on any split function examples. Any help greatly appreciated.
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Round to at most 2 decimal places (only if necessary)
...BlS1cqbvWPCHJeOy?p=preview
NOTE: This is not a universal solution for everyone. There are several different rounding algorithms, your implementation can be different, depends on your requirements. https://en.wikipedia.org/wiki/Rounding
Solution 2 is to avoid front end calculations and pull rounded v...
jQuery Validate Plugin - How to create a simple custom rule?
... remote as others have suggested but as far as I can tell that only allows one validation, so it wouldn't work if you need to to two async validations or have several error messages depending on the response.
– Adam Bergmark
Mar 19 '13 at 17:57
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Does MySQL ignore null values on unique constraints?
...S NOT NULL seems to fail me as it not supported in my version of MySQL. Anyone know where I could look?
– newdark-it
Nov 20 '18 at 17:13
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Multiple INSERT statements vs. single INSERT with multiple VALUES
... up. This is the cut off point between the plan being an auto parametrized one (with 1,000 parameters) to a non parametrized one. Thereafter it seems to get linearly less efficient (in terms of number of value clauses processed in a given time).
Not sure why this should be. Presumably when it is co...
Inline functions in C#?
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Finally in .NET 4.5, the CLR allows one to hint/suggest1 method inlining using MethodImplOptions.AggressiveInlining value. It is also available in the Mono's trunk (committed today).
// The full attribute usage is in mscorlib.dll,
// so should not need to incl...
Program only crashes as release build — how to debug?
...here -- my program (actually the test suite for my program, but a program nonetheless) is crashing, but only when built in release mode, and only when launched from the command line. Through caveman debugging (ie, nasty printf() messages all over the place), I have determined the test method where ...
Parsing CSV files in C#, with header
...engine at a file, and bingo - you get back all the entries from that file. One simple operation - great performance!
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