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The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
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I think when the type is very well-known amongst the co-programmers who work (or would work) in your project, then auto can be used, such as in the following code:
//good : auto increases readability here
for(auto it = v.begin(); it != v.end(); ++it) //v is so...
Convert a Git folder to a submodule retrospectively?
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filter-branch is deprecated nowadays. You can use git clone --filter, but your Git server must be configured to allow filtering, otherwise you'll get warning: filtering not recognized by server, ignoring.
– Matthias Braun
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simple explanation PHP OOP vs Procedural?
... Those can tend to confuse more than help, so feel free to ignore that for now.
You can think of source code simply as "chunks" of functionality, that just happen to be saved to individual files.
There are different ways of organizing those "chunks"; depending on things like conventions of the progr...
Arrays, heap and stack and value types
... │
16 └───────────────────┘
Now if you had three local variables in a function, of types RefType, ValType, and int[], like this:
RefType refType;
ValType valType;
int[] intArray;
then your stack might look like this:
0 ┌───────...
Conditional compilation and framework targets
... Perfect. I had just enough experience hacking the msbuild format to know it could be done, but not enough time to figure out all the details. Thank you very much!
– mckamey
May 28 '10 at 15:55
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Differences between ExpandoObject, DynamicObject and dynamic
...ave any use to you as the developer.
When you extend DynamicObject you are now able to provide CUSTOM behavior regarding how you want dynamic dispatch to resolve to data stored internally in your underlying data representation at run-time.
ExpandoObject stores underlying data in a Dictionary, etc. I...
What is the best way to solve an Objective-C namespace collision?
...er classes in that first framework which reference the renamed class would now reference the class from the other framework.
You wouldn't need to copy or rename a class if there were a way to copy the data pointed to by an IMP. You could create a new class and then copy over ivars, methods, propert...
Why is require_once so bad to use?
...ret the code might even make it marginally slower but, that said, I don't know how thorough the internal method is. It might do extra work to ensure no duplicates.
– Oli
Oct 9 '08 at 9:37
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What are differences between AssemblyVersion, AssemblyFileVersion and AssemblyInformationalVersion?
...had back-tracked on this intent, and it is perhaps too late to change this now. I tried to search around the web to find out what happened with these plans, but I couldn’t find any answers. I still wanted to get to the bottom of it.
So I emailed Jeff Richter and asked him directly — I figured i...
Select first row in each GROUP BY group?
...ndex-only scans is in development for Postgres 14. See here and here.)
For now, there are faster query techniques to substitute for this. In particular if you have a separate table holding unique customers, which is the typical use case. But also if you don't:
Optimize GROUP BY query to retrieve la...