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Is Java “pass-by-reference” or “pass-by-value”?
...isName;
shout(myName);
}
One String gets created and space for it is allocated in the heap, and the address to the string is stored on the stack and given the identifier hisName, since the address of the second String is the same as the first, no new String is created and no new heap space is ...
How to get JSON response from http.Get
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@NamGVU saves a potential allocation and allows the use of http keep-alive to reuse connections.
– Connor Peet
Nov 27 '17 at 22:16
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Do you need to dispose of objects and set them to null?
...t will still release the unmanaged resources. This means that instead of deallocating the resources when it should be done, it will be deferred to when the garbage collector finalizes the managed object. It can still cause many other issues though (such as unreleased locks). You should Dispose an ID...
What does “Auto packing the repository for optimum performance” mean?
... "If you let Git finish", and it can... fatal: Out of memory, malloc failed (tried to allocate 79610689 bytes) error: failed to run repack -- this is what I get for sticking our entire codebase into one git repo. Guess I'm going to kill apps and force repack "manually"
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How are strings passed in .NET?
... Each instance is immutable. When you change the value of a string you are allocating a new string in memory.
So only the reference is passed to your function, but when the string is edited it becomes a new instance and doesn't modify the old instance.
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Why does the 260 character path length limit exist in Windows?
...tion used that defined value.
My structure is correctly defined, and only allocates 592 bytes total. That means that i am only able to receive a filename that is less than 260 characters. Windows promised me that if i wrote my application correctly, my application would continue to work in the futu...
What is the “FS”/“GS” register intended for?
...d offset on every pointer. By contrast, if one is willing to round memory allocations up to multiples of 16 bytes, 8086-style segmentation allows one to use the segment alone as a means of identifying an object. Rounding allocations up to 16 bytes might have been slightly irksome in 1980, but woul...
Best practices for SQL varchar column length [closed]
...it is still predicitve i use varchar and keep 255 as it is dynamic memory allocation so you do not worry about the size that will be taken
– Faris Rayhan
Jun 21 '16 at 9:04
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How do I choose grid and block dimensions for CUDA kernels?
...e actual grid size needed, based on input size
int* h_vec1 = (int*) malloc(N*sizeof(int));
int* h_vec2 = (int*) malloc(N*sizeof(int));
int* h_vec3 = (int*) malloc(N*sizeof(int));
int* h_vec4 = (int*) malloc(N*sizeof(int));
int* d_vec1; cudaMalloc((void**)&d_vec1, N*sizeof(...
Initialise a list to a specific length in Python [duplicate]
...on at PyCon 2012, Raymond Hettinger is suggesting to use [None] * n to pre-allocate the length you want.
Slides available as PPT or via Google
The whole slide deck is quite interesting.
The presentation is available on YouTube, but it doesn't add much to the slides.
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