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What are the advantages of using nullptr?
... conceptually does the same thing for the three pointers (safe pointer initialization):
7 Answers
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How do I format a Microsoft JSON date?
I'm taking my first crack at Ajax with jQuery. I'm getting my data onto my page, but I'm having some trouble with the JSON data that is returned for Date data types. Basically, I'm getting a string back that looks like this:
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Big O, how do you calculate/approximate it?
Most people with a degree in CS will certainly know what Big O stands for .
It helps us to measure how well an algorithm scales.
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What exactly is Spring Framework for? [closed]
... view.render(users);
}
}
Note that the code above doesn't have initialized the variable userLister. What should we do? If I explicitly instantiate the object like this:
UserLister userLister = new UserListerDB();
...I'd couple the view with my implementation of the class that access the...
What is array to pointer decay?
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It's said that arrays "decay" into pointers. A C++ array declared as int numbers [5] cannot be re-pointed, i.e. you can't say numbers = 0x5a5aff23. More importantly the term decay signifies loss of type and dimension; number...
Abstract class in Java
...ich cannot be instantiated. An abstract class is used by creating an inheriting subclass that can be instantiated. An abstract class does a few things for the inheriting subclass:
Define methods which can be used by the inheriting subclass.
Define abstract methods which the inheriting subclass m...
When to use an assertion and when to use an exception
Most of the time I will use an exception to check for a condition in my code, I wonder when it is an appropriate time to use an assertion?
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How can I use “sizeof” in a preprocessor macro?
...; otherwise they will produce a compile-time error.
1. C11 way
Starting with C11 you can use static_assert (requires #include <assert.h>).
Usage:
static_assert(sizeof(someThing) == PAGE_SIZE, "Data structure doesn't match page size");
2. Custom macro
If you just want to get a compile-ti...
HttpClient.GetAsync(…) never returns when using await/async
Edit: This question looks like it might be the same problem, but has no responses...
6 Answers
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How to 'git pull' into a branch that is not the current one?
When you run git pull on the master branch, it typically pulls from origin/master . I am in a different branch called newbranch , but I need to run a command that does a git pull from origin/master into master but I cannot run git checkout to change the selected branch until after the...