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What happens to C# Dictionary lookup if the key does not exist?
...ee no indication that that question states that at all. It says it's doing more work than ContainsKey, which is true, because it has to extract the value as well. It's not doing two lookups though.
– Jon Skeet
Dec 2 '12 at 17:56
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Singleton pattern in nodejs - is it needed?
...tive file systems or operating systems. Regarding symlinking, you can read more here as it was discussed github.com/nodejs/node/issues/3402. Also if you are symlinking files or do not understand your OS and node properly then you shouldn't be anywhere near the aerospace engineering industry ;), I do...
Meaning of acronym SSO in the context of std::string
... fixed at compile time, but the size of arrays from the free store is not. Moreover, the stack size is limited (typically a few MiB), whereas the free store is only limited by your system's memory.
SSO is the Short / Small String Optimization. A std::string typically stores the string as a pointer ...
android EditText - finished typing event
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How do you properly use namespaces in C++?
... I see your point, but I disagree because name collisions are (in my mind) more likely to come from precisely such small libraries. Most people are careful not to name classes/functions the same as those in STL. That said, I agree that using namespace X; should be avoided in header files if possible...
How to properly create composite primary keys - MYSQL
... a point of contention between me and some of my colleagues, because it is more economical to have fewer columns. I find it easier to write joins on a single foreign key. Sometimes the significance of these tables "Mappings between two tables" becomes as important as the original tables, and its pri...
Why should I care that Java doesn't have reified generics?
...You actually can tell java that a given generic type is required to extend more than one class or interface. See the "Multiple Bounds" section of docs.oracle.com/javase/tutorial/java/generics/bounded.html. (Of course, you can't tell it that the object will be one of a specific set that do not share ...
How do you sort a dictionary by value?
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SqlDataAdapter vs SqlDataReader
...erfect for the common data access case of binding to a read-only grid.
For more info, see the official Microsoft documentation.
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