fmem | platform library for opening memory
kandi X-RAY | fmem Summary
kandi X-RAY | fmem Summary
A cross-platform library for opening memory-backed libc streams. This library was written for Criterion to implement stringification functions for user-defined types.
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QUESTION
I have been trying to make a simple form to do a minor calculating and connect to database afterwards.
I am using my PC (64bit OS Win 10 Pro). I have both VC# 2008 and VC# 2017 RC.
My first problem is that I can't build or debug my VC#2008 version .sln file on my (64bit OS) PC. I have attached a Screenshot. It says:
jet.4.0 not registered in your local machine.
My second problem is that I can't seem to add any data from my VC#2017 RC form to the database. It says connectstate.Open();
unhandled error.
Here is the code snippet
...ANSWER
Answered 2017-Mar-05 at 14:44I am Back with the solution. Thanks for your help guys though.
Actually the my problem was that I was able to build my .sln file using vc#2008. As soon as I found that out I simply changed the 'build on cpu' x86 option and walla worked like a charm.
I then personally researched a lot then I figured that the .sln file I was using was originally created on a 32 bit OS on my other pc. I just copied the file.
Again thanks for your directional comments.
QUESTION
In the following code, I have a function member and a data member which is a function pointer. For use in a declaration or as a template parameter, the type of a pointer to the function member f
is int (Test::*)(int)
; but what is the analogous type of a pointer to the function pointer data member pf
?
ANSWER
Answered 2018-Aug-18 at 05:26using PFmem = int (*Test::*)( int );
// ^ a pointer ...
// ^^^^^^ to a member of Test ...
// ^ which is a pointer ...
// ^ ^ to a function ...
// ^^^ taking an int ...
// ^^^ returning an int
QUESTION
I am working on a large Fortran code, where parts are written in FORTRAN77. There is a piece of code, which causes debugger to raise errors like:
...ANSWER
Answered 2018-May-11 at 18:21In f77 statements like the DIMENSION TRIGS(1) or similar or ..(*) with any number, if pertaining an argument of the procedure just tells the compiler the rank of the array, the length in memory must be assigned to the array which is given in the call of the subroutine, normally f77 does not check this! My recommendation either use (*) or better reformat (if necessary) the f77 sources to f90 (the bits shown would compile without change...). and use dimension computed using n in the declaration within the subroutines/procedures. Fortan passes arguments by address (i.e. trigs(i) in the subroutine just will refer on the memory location, which corresponds to the address of trigs(1) + i*size(real*8).
A more consisted way to write the subroutine code could be:
QUESTION
I run a shared web hosting using CloudLinux. From it, I can get a bunch of performence metric
So, my influxDB is :
measurement : lve
fields : CPU,EP,IO,IOPS,MEM,MEMPHY,NETI,NETO,NPROC,fEP,fMEM,fMEMPHY,fNPROC,lCPU,lCPUW,lEP,lIO,lIOPS,lMEM,lMEMPHY,lNETI,lNETO,lNPROC,nCPU
tags : xpool, host, user (where : xpool is xen-pool uid, host is hostname of cloudLinux, user is username of shared hosting)
data is gathered each 5 seconds
How is the query sentence to :
Select records from specific xpool+host , and
get 5 unique username that produce TOP CPU usage in 5 minute periode from it ?. There is hundreds usaername but I want got top-5 only.
Note: Samething like example 4 of TOP() from https://docs.influxdata.com/influxdb/v1.5/query_language/functions/#top, unless that expected results is:
...ANSWER
Answered 2018-May-28 at 06:49Probably a subquery could help, for example, this is from a database using telegraf:
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