Create a Source Code Control System Early and Not Often
Measuring software internal quality is still a mystery,even though many sourcecode metrics have been around for years.The problem with those metrics is they usually only capture one aspect of quality...
Use of NFS Considered Harmful
The solution for performing atomic file locking using a lockfile is to createa unique file on the same fs(e.g.,incorporating hostname and pid),use link(2)to make a link to the lockfile ...
established between a view or controland its managing view controller(this is often done in addition to any IBAction s that a view controller might be targeted to perform by a responder).However,an...
Introduction To Stress Testing
often,the storage does not restrict system performance.However,with large requests,Redis' throughput is vast,and the network bandwidth becomes a bottleneck in the system. Implementation of Stress ...
Basic Concepts and Computer Evolution
purpose nature of computers.in which all the functional specialization occurs at the time of programming andnot at the time of design.StructureWe now look in a general way at the internal structure ...
Deep Dive on Alibaba Cloud’s Next-Generation ...
deletion,and account creation tasks passed down by the user.It also includes a complete and detailed monitoring systemand reliable,high availability switching.The management system also maintains a ...
the processor stalls in a wait state,and valuable processing time is lost.Asystem architect can attack this problem in a number of ways,all of which arc reflected in contemporary computer designs....
says that most programs do not access all code or data uniformly.Locality occurs in time(temporal locality)and in space(spatial locality).This principle plus the guideline that for a given ...
Fundamentals of Quantitative Design and Analysis
based computers raised the performance bar,forcing prior architectures to keep up or disappear.The Digital Equipment Vax could not.and sc it was replaced by a RISC archiieciure.Irnel rose to lhe ...
V版）》之一：Computer Abstractions and Technology
such as would occur in building a large web server.These applications are usually based on software from another source(such as a database or simulation system),but are often modified or customized ...
expect man page
With no arguments,a 1 is returned if the debugger is not running,otherwise a 0 is returned. With a 1 argument,the debugger is started.With a 0 argument,the debugger is stopped.If a 1 argument is ...
PostgreSQL 10.0 preview 多核并行增强-并行hash join...
variable party size anda dual-role leader process,and I want to highlight the specific problems that causes here because they increase the patch size significantly: Problem 1:We don't know how many ...
For a given function,which programming language likely takes the most lines of code?Put the three representations below in order. Java C RISC-V assembly language Elaboration:To increase portability,...
谦卑的程序员(The Humble Programmer)by E.W.Dijkstra...
on the other hand its usually somewhat queer order code would cater for the most unexpected constructions.And in those days many a clever programmer derived an immense intellectual satisfaction[巨大的...