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Where are environment variables stored in registry?
I need to access an environment variable remotely. To do this I think the best way is to read it from registry.
4 Answers...
PHP + MySQL transactions examples
... rollback the transaction
$db->rollback();
throw $e; // but the error must be handled anyway
}
Note that, with this idea, if a query fails, an Exception must be thrown:
PDO can do that, depending on how you configure it
See PDO::setAttribute
and PDO::ATTR_ERRMODE and PDO::ERRMODE_EXCE...
When to use dynamic vs. static libraries
...pletely unusable due to unresolved references, but it won't cause a linker error until you reference a function or variable from those object files. This may happen long after the library is written.
Debug symbols: You may want a separate PDB for each static library, or you may want the debug symbol...
GPU Emulator for CUDA programming without the hardware [closed]
...ved in a future release.
/usr/include/i386-linux-gnu/bits/byteswap.h(47): error: identifier "__builtin_bswap32" is undefined
/usr/include/i386-linux-gnu/bits/byteswap.h(111): error: identifier "__builtin_bswap64" is undefined
/home/user/Downloads/helloworld.cu(12): error: identifier "cudaDeviceSy...
Determining complexity for recursive functions (Big O notation)
I have a Computer Science Midterm tomorrow and I need help determining the complexity of these recursive functions. I know how to solve simple cases, but I am still trying to learn how to solve these harder cases. These were just a few of the example problems that I could not figure out. Any help wo...
How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
...
– Jonathan Leffler
Oct 29 '10 at 14:05
TTY Demystified has some easily digestable information on how signals interact ...
Django - limiting query results
...olution in the question doesn't work with Django 1.7 anymore and raises an error:
"Cannot reorder a query once a slice has been taken"
According to the documentation https://docs.djangoproject.com/en/dev/topics/db/queries/#limiting-querysets forcing the “step” parameter of Python slice syntax e...
How do I cancel a build that is in progress in Visual Studio?
... Studio on one of my projects (I turn MVC view building on to catch markup errors), well, the project becomes unresponsive while building. I can't cancel the build using the keyboard shortcuts.
So I made this batch file that sits on my quick launch task bar.
@echo off
echo KILL BILLd
for /L %%i in...
How to use orderby with 2 fields in linq? [duplicate]
Say I have these values in a database table
5 Answers
5
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Large, persistent DataFrame in pandas
...of 1000 rows.
df = pd.concat(tp, ignore_index=True) # df is DataFrame. If errors, do `list(tp)` instead of `tp`
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