The CPU "ignores" the register content when using a memory operand such as [rcx+rsi*imm], in this example if RCX is a valid pointer and RSI is 0(implying access of the first element in an array) an access violation with address 0 occurs instead of reading [...
int pointer to float pointer error integer division negative numbers integer division of negative numbers IntelliSense: #include file "xxxxx" includes itself C++ visual studio 2010 IntelliSense: Name must be a namespace name Invisible editor problem : '0xa0': this character is not allowed in an ...
however it takes a real programmer to step in, until then I think that the hash approach is simply a nifty-limbo solution (well reinforced by BNDM for shorter 2..16 patterns).
Post-processing dedupe is anasynchronousbackup process that removes redundant data after it is written to storage. Duplicate data is removed and replaced with a pointer to the first iteration of the block. The post-processing approach gives users the flexibility to dedupe specific workloads and quick...
the klass pointer has word size on 32 bit architectures. On 64 bit architectures the klass pointer either has word size, but can also have 4 byte if the heap addresses can be encoded in these 4 bytes. This optimization is called "compressed oops" and you can also control it with the op...
Hazard Pointer 考虑这样一个场景: 一个容器内有共享资源,对外提供get(k)和remove(k),对于同一个元素来说,所有的get(k)和remove(k)应该保证是原子的,有 total order(hash单链表CAS符合语义?)。另一种情况是资源就只有固定数目的指针,这样只用CAS就trivial了。
Compression isoften compared to data deduplication, but the two techniques operate differently. Deduplication is a type of compression that looks for redundant chunks of data across a storage or file system and then replaces each duplicate chunk with a pointer to the original. Data compression algor...
To avoid this, you should include a pointer to a type, not a type itself. We now have a quick-fix for that. Editor Code Vision We've started implementing the Code Vision feature. For now, the code authors are displayed if version control integration is enabled. If you click on a ...
Note how the cache itself is not ‘immutable’. We are just using an immutable HashMap collection to store it. This means that Scala can do all sorts of optimizations when multiple threads want to iterate through all the entries of the cache looking for something they want. But there’s ...
[11206] [YSQL] [Upgrade] Make YSQL upgrade do nothing when YSQL is not enabled [11230] [YSQL] Block planner peeking at YB indexes [11236] [YSQL] Apply non-zero offset after checking against NULL pointer [11238] [DocDB] Fixed TSAN issue relating to job_id in CompactionTask ...