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dd: How to calculate optimal blocksize? [closed]
...uses and disks involved. Several Unix-like systems (including Linux and at least some flavors of BSD) define the st_blksize member in the struct stat that gives what the kernel thinks is the optimal block size:
#include <sys/stat.h>
#include <stdio.h>
int main(void)
{
struct stat s...
What is the difference between Raising Exceptions vs Throwing Exceptions in Ruby?
...r that many of those "other popular languages" are younger than Ruby or at least contemporary. So, the question should rather be: why did those other languages not follow Ruby (and Smalltalk and Lisp and hardware and the literature).
– Jörg W Mittag
Jul 17 '18...
Null vs. False vs. 0 in PHP
...omputer languages where this is true, nor does it mean that in English, at least not according to any definition I can find or have heard. Maybe you know something I don't know?
– iconoclast
Aug 30 '12 at 19:13
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What exactly do “IB” and “UB” mean?
...el Burr: I prefer "catch fire". It's evidently catastrophic, and it has at least a vague air of plausibility (computer hardware does sometimes catch fire, admittedly for reasons of hardware rather than software failure in the case of any system you'd be reading this thread on).
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The Definitive C Book Guide and List
...ing increasingly popular even in other programming branches. There are (at least) three publications of the standard (1998, 2004, and the current version from 2012). There is also a MISRA Compliance Guidelines document from 2016, and MISRA C:2012 Amendment 1 — Additional Security Guidelines for MI...
Repeater, ListView, DataList, DataGrid, GridView … Which to choose?
...ery light weight. No built in functionality like Headers, Footers. Has the least overhead.
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What is the difference between javac and the Eclipse compiler?
...I've noticed between the two compilers. They all boil down to a bug in (at least) one of the implementations.
Compile-time optimization related
Eclipse bug? Switching on a null with only default case
Generics type inferrence related
Generics compiles and runs in Eclipse, but doesn’t compile...
How can I make git accept a self signed certificate?
...
Answer describes only the least secure option.
– cp.engr
Feb 1 '17 at 15:21
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How to get client's IP address using JavaScript?
...o WebRTC, it is very easy to get local IP in WebRTC supported browsers( at least for now). I have modified the source code, reduced the lines, not making any stun requests since you only want Local IP, not the Public IP, the below code works in latest Firefox and Chrome, just run the snippet and che...
mmap() vs. reading blocks
...00GB file.
Now, the actual cost of these TLB misses depends heavily on at least the following aspects of your hardware: (a) how many 4K TLB enties you have and how the rest of the translation caching works performs (b) how well hardware prefetch deals with with the TLB - e.g., can prefetch trigger ...