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Is there a use-case for singletons with database access in PHP?
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Okay, I wondered over that one for a while when I first started my career. Implemented it different ways and came up with two reasons to choose not to use static classes, but they are pretty big ones.
One is that you will fi...
How do I find the stack trace in Visual Studio?
I ask because I couldn't find the stack trace in Visual Studio, while debugging an exception that occurred.
7 Answers
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Graphviz: How to go from .dot to a graph?
... outfile.ps
If you want to use the dot renderer. There are alternatives like neato and twopi. If graphiz isn't in your path, figure out where it is installed and run it from there.
You can change the output format by varying the value after -T and choosing an appropriate filename extension after -...
Which Radio button in the group is checked?
Using WinForms; Is there a better way to find the checked RadioButton for a group? It seems to me that the code below should not be necessary. When you check a different RadioButton then it knows which one to uncheck… so it should know which is checked. How do I pull that information without doing...
Is there a reason that we cannot iterate on “reverse Range” in ruby?
I tried to iterate backwards with using a Range and each :
12 Answers
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SQLAlchemy - Getting a list of tables
... To get a list of the names of those tables:
>>> metadata.tables.keys()
['posts', 'comments', 'users']
If you're using the declarative extension, then you probably aren't managing the metadata yourself. Fortunately, the metadata is still present on the baseclass,
>>> Base = s...
Converting string from snake_case to CamelCase in Ruby
I am trying to convert a name from snake case to camel case. Are there any built-in methods?
10 Answers
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Why does Math.Floor(Double) return a value of type Double?
...missing something here? Or is there a different way to achieve what I'm looking for?
6 Answers
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GCC compile error with >2 GB of code
...y n numbers m times and add the results - or something similar) then I think you can do this:
change the generator program to output offsets instead of strings (i.e. instead of the string "s.ds0" it will produce offsetof(ProcessVars, ds0)
create an array of such offsets
write an evaluator which a...
How is Docker different from a virtual machine?
I keep rereading the Docker documentation to try to understand the difference between Docker and a full VM. How does it manage to provide a full filesystem, isolated networking environment, etc. without being as heavy?
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