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How to find memory leak in a C++ code/project?
... This deletes the 30 bytes.
delete [] str1; // Possible access violation. What a disaster!
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Be careful with local pointers. A pointer you declare in a function is allocated on the stack, but the dynamic variable it points to is allocated on the heap. If you don't delete it, it will persist afte...
Fastest Way of Inserting in Entity Framework
...tate Unchanged. It is the growing size of attached entities in the context what slows down the insertion step by step. So, it is helpful to clear it after some time.
Here are a few measurements for my 560000 entities:
commitCount = 1, recreateContext = false: many hours (That's your current...
What issues should be considered when overriding equals and hashCode in Java?
What issues / pitfalls must be considered when overriding equals and hashCode ?
11 Answers
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How to import other Python files?
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What if it's not a package but just a script file?
– Jonathan
Jul 29 '18 at 2:19
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o
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RDDs extend the Serialisable interface, so this is not what's causing your task to fail. Now this doesn't mean that you can serialise an RDD with Spark and avoid NotSerializableException
Spark is a distributed computing engine and its main abstraction is a resilient distributed ...
node.js global variables?
...ow in Java you do import com.foo.bar;. This makes it easier to figure out what your code is doing because the linkages between files are 'explicit'. Mildly annoying, but a good thing. .... That's the preaching.
There is an exception to every rule. I have had precisely exactly ONE instance where...
Best way to simulate “group by” from bash?
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This will print the count first, but other than that it should be exactly what you want.
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JPA: what is the proper pattern for iterating over large result sets?
Let's say I have a table with millions of rows. Using JPA, what's the proper way to iterate over a query against that table, such that I don't have all an in-memory List with millions of objects?
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kernel stack and user space stack
What's the difference between kernel stack and user stack? Why kernel stack is used? If a local variable is declared in an ISR, where it will be stored? Does each process has its own kernel stack? Then how the process coordinates between both these stacks?
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What guidelines for HTML email design are there? [closed]
What guidelines can you give for rich HTML formatting in emails while maintaining good visual stability across many clients and web based email interfaces?
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