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What's the difference between size_t and int in C++?
... whose Huge memory mode had 20-bit addresses stored in 32 bits on a 16-bit CPU (but which could support the 32-bit instruction set of the 80386); the Motorola 68000 had a 16-bit ALU with 32-bit registers and addresses; there were IBM mainframes with 15-bit, 24-bit or 31-bit addresses. You also stil...
Array.Copy vs Buffer.BlockCopy
...ood performance is almost surely due to locality of reference exploited by CPU L1/L2/L3 memory caching in conjunction with no method call overhead.
For double buffers on 32-bit machines only: The explicit loop copy routine is better than both alternatives for all buffer sizes tested up to 100k. Th...
What is the Difference Between read() and recv() , and Between send() and write()?
... community wiki
Bastien Léonard
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I lose my data when the container exits
...un --name mycontainername -t -d ubuntu /bin/bash
– Stéphane Gourichon
Apr 14 '19 at 20:06
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How to use Comparator in Java to sort
... edited Apr 6 '19 at 13:02
Stéphane Bruckert
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answered Dec 10 '14 at 19:30
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Spring Boot - inject map from application.yml
... Map<String, Map<String, String>>
– Máthé Endre-Botond
Apr 6 at 14:43
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How to start two threads at “exactly” the same time
...on the synchronization techniques you use and of course having more than 1 cpu or core.
– ChaosPandion
Jul 31 '10 at 3:05
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Why are variables “i” and “j” used for counters?
... Yes, FORTRAN originates these conventions.
– Jé Queue
Nov 10 '10 at 0:26
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I was taught I...
What REALLY happens when you don't free after malloc?
...space are simply released. By contrast, a series of free() calls will burn CPU time and can result in disk paging operations, cache misses, and cache evictions.
Regarding the possiblility of future code reuse justifing the certainty of pointless ops: that's a consideration but it's arguably not th...
Canary release strategy vs. Blue/Green
...to get an idea of how new version will perform (integrate with other apps, CPU, memory, disk usage, etc).
Blue/Green:
It is more about the predictable release with zero downtime deployment.
Easy rollbacks in case of failure.
Completely automated deployment process
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