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kandi X-RAY | mainline Summary
kandi X-RAY | mainline Summary
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Top functions reviewed by kandi - BETA
- Recursively walk up a resource
- render a watch
- render comment
- Create a wrap around callbacks .
- Creates a new namespace with the given prefix .
- Returns the root of the tree
- Uniques entity attributes .
- The breadcrumb for a breadcrumb .
mainline Key Features
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Community Discussions
Trending Discussions on mainline
QUESTION
I've juste add ppa:ondrej/php
on my ubuntu server, and it prompt me the message below.
Why am I advised to add ppa:ondrej/nginx
(stable) too? What's the exact purpose of this?
For information I have already installed Nginx from the official doc.
...ANSWER
Answered 2021-Feb-06 at 12:33According to the homepage for ppa:ondrej/nginx
, here the PPA description:
QUESTION
Hi I'm trying to get this code block to run in the mainline of one of the examples provided with ESP-IDF (denoted by arrows)
...ANSWER
Answered 2021-Jun-11 at 08:13The root cause of this error is that the struct esp_netif_t
is a private type in the netif implementation. You're not supposed to create any objects of this type, only pass around handles (pointers) to it.
I suspect you've misunderstood what esp_netif_get_netif_impl_name()
does. According to the API doc it takes a handle to a esp_netif_t
and returns the name corresponding to this interface.
What you seem to be after is retrieving the handle to your interface in the first place. For this the (rather terse) API doc suggest a few other functions, e.g. esp_netif_get_handle_from_ifkey(...)
for searching for interfaces using something called interface key (no idea, sorry, but google helps there) or esp_netif_next(...)
for iterating over interfaces.
According to this forum post you might want to try something like this:
QUESTION
I have installed nginx using the following repo:
...ANSWER
Answered 2021-Jun-07 at 16:42The upstream repo is
QUESTION
I am trying to build and install kernel modules for a network card, from source. The module sources seem very picky in terms of which kernel version they can compile against.
I have managed to build the modules against the LTS kernel headers for my distribution, Arch Linux, which at the moment are linux-lts-headers 5.10.37-1
. Does this mean that I need to actually install and boot this exact same kernel version, to use the modules? Or do the modules have some tolerance between the booted version and the version they were compiled against?
I realise this is dependent on what exactly I'm building but I'm interested in common practice, do's and don'ts. For example, for a rolling release distro it would be a lot of work to rebuild the module with every minor mainline kernel update, for example right now linux-headers 5.12.3
-> linux-headers 5.12.4
. Pointers appreciated.
ANSWER
Answered 2021-May-20 at 12:20That's why you usually never find prebuilt kernel module distributed somewhere. You have to build kernel module with kernel headers of your running kernel. Common practice is always having the right kernel headers in your /usr/src
QUESTION
I use an up to date Debian 10. I have unexpected behavior with python crypt.crypt
, some calls raise an OSError: Invalid Argument
exception, without further explanation, so I am not really sure what is happening.
ANSWER
Answered 2021-May-13 at 09:07The $2a
at the beginning of the salt is a marker of the blowfish/bcrypt method.
Blowfish is not supported by all Linux distros, like Ubuntu:
How to make Ubuntu's crypt(3) support Blowfish?
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1349252
Debian does not support blowfish in crypt as of Debian 10 but should be able to do it in the next release, moving the dependency of crypt from glibc to libxcrypt:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=149452#42
https://blog.bofh.it/debian/id_458
How to solve the situation Attempt with passlibI made an attempt to use passlib with the verify
context whose prototype is like crypt.crypt
:
QUESTION
I am trying to indent block of strings in a StringBuilder, but what I am getting is just the indentation of 1st line. I understand why it is doing so, but don't know if there is any easy way to achieve what I am looking for.
...ANSWER
Answered 2021-May-07 at 14:45This might help
QUESTION
In 2016, ARM introduced the ARMv8-M architecture as an upgrade to the popular ARMv6-M (Cortex M0/M0+/M1) and ARMv7-M (Cortex M3/M4/M7) architectures. The ARMv8-M architecture is again split into a Baseline profile seen as a continuation of the ARMv6-M architecture and a Mainline profile seen as a continuation of the ARMv7-M architecture.
Cursory examination of the ARMv8-M Architecture Reference Manual unfortunately yields no insights into what exactly was added and there doesn't seem to be a useful summary of what changed in comparison to the previous version of the architecture. And as usual for new versions of CPU architectures, it appears that almost all details are unchanged with only small additions here and there.
What additional instructions and instruction variants does ARMv8-M Baseline provide over ARMv6-M?
...ANSWER
Answered 2021-Apr-26 at 16:52The ARM document titled Cortex-M for Beginners may provide the information you are looking for, more specifically at pages 6 and 7.
ARMv6-M provides the 16 bit instructions ADC
, ADD
, ADR
, AND
, ASR
, B
, BIC
, BKPT
, BL
, BLX
, BX
, CMN
, CMP
, CPS
, EOR
, LDMIA
, LDR
, LDRB
, LDRH
, LDRSB
, LDRSH
, LSL
, LSR
, MOV
, MUL
, MVN
, NOP
, ORR
, PUSH
, REV
, REV16
, REVSH
, ROR
, RSB
, SBC
, SEV
, STMIA
, STR
, STRB
, STRH
, SUB
, SVC
, SXTB
, SXTH
, TST
, UDF
, UXTB
, UXTH
, WFE
, WFI
, and YIELD
.
Additionally, 32 bit instructions BL
, DMB
, DSB
, ISB
, MRS
, and MSR
are available.
To these, ARMv8-M baselines adds...
- hardware divide instructions
SDIV
andUDIV
- the 32 bit unconditional branch instruction
B
(for extended range) - 16 bit compare and branch instructions
CBZ
andCBNZ
- 32 bit instructions
MOVW
andMOVT
for loading constants (as an alternative toLDR Rd, =...
) - load-acquire/store-release instructions
LDA
,LDAB
,LDAH
,STL
,STLB
, andSTLH
- load-acquire/store-release instructions with exclusive access
LDAEX
,LDAEXB
,LDAEXH
,STLEX
,STLEXB
, andSTLEXH
- exclusive access instructions
CLREX
,LDREX
,LDREXB
,LDREXH
,STREX
,STREXB
, andSTREXH
If additionally the security extension is implemented, the instructions BLXNS
, BXNS
, SG
, TT
, TTT
, TTA
, and TTAT
are available.
QUESTION
With the current Version 5.10 of a vanilla linux kernel, one can configure the kernel as a low-latency version as the mainline have accepted multiple merge requests from the Preempt-rt patch team. However if one patch the vanilla kernel with it's related preempt-rt patch version, one can configure the kernel as fully preemptable.
But what does change with this fully preemtable config?
- Are the hard IRQ part (top half /critical section) of a interrupt handler also preemptable now?
Does anyone have a link to a proper paper or documentation, as i did not find anything searching on the official Wiki page of the linux foundation website, neither i have found a paper on ieee xplore.
I thank you beforehand for your help.
...ANSWER
Answered 2021-Apr-23 at 19:53Fortunately perseverance pays off. I have found the proper documentation on the Linux Foundation website.
https://wiki.linuxfoundation.org/realtime/documentation/technical_basics/preemption_models
Which gives a nice overview. From this documentation i think the hard IRQ part is still not preemptable.
QUESTION
I am working on a huge repository and we are total 900 people who are working on the same, creating a new branch for each feature/bug/hotfix (lets call it "custom branch") we are working on and deleting the same after successful testing and merging it into the mainline branch(Total: 5), which leads us to the errors like unable to lock local ref
.
Our repository structure is in following format for staging:
...ANSWER
Answered 2021-Apr-23 at 00:33Is it recommended? I don't know: it seems like this would depend on who is doing the recommendations.
Will it create further issues? No, but it won't solve them either.
Is it possible to have such a configuration? Yes, of course, you demonstrated that yourself.
Can you configure
git clone
to do this? Not precisely, no:git clone --single-branch
gets close though, and after doing that, you can usegit remote set-branches --add
to add the four remaining branches, so that instead of a single-branch clone, you have a five-branch clone.
Your best bet, though, would be to figure out why your systems are doing this. That's usually a sign of running multiple parallel git fetch
operations on a single repository (don't do that!).
It sounds like you have multiple users sharing a single Git repository in which they try to do work. Don't do that! Git repositories are meant to be private to each developer.
QUESTION
I do not ever want maven-dependency-plugin:3.1.2:unpack
to overwrite existing files in any circumstances. This is my current pom.xml
configuration:
ANSWER
Answered 2021-Apr-19 at 08:37OK, I think I know what might be happening: Like I said in my comment:
I just read your message on the mailing list and tried in one of my own projects, also using plugin version 3.1.2. Actually, just specifying
false
inside thewas enough to avoid overwriting. I just executed the unpack goal once, then manually modified an unpacked file and it did not get overwritten. I even see
my-artifact-1.3.jar already unpacked
in the log.
I continued experimenting some more and noticed that even when deleting many unpacked files, they will not be recreated, so the check must be on a more global level, not on a per-file basis.
Even when deleting all files or the whole output directory, the dependency will not be unpacked again. That was a sure indicator that some kind of meta information must be stored somewhere outside the output directory. The first place to look for it was of course the target
directory, and obviously enough, in subdirectory target/dependency-maven-plugin-markers
there are (empty) marker files like my-dependency-1.3.marker
. Deleting one of those files has the effect of the dependency getting unpacked again during the next build, overwriting possible existing files.
So the way for you to solve this problem is to avoid cleaning the target
directory or at making sure to keep the corresponding marker file.
Update: You could also create the marker file by yourself if the EXE file you want to protect exists and if for some reason your build workflow needs the clean
in between. But the latter would be a bit ugly, you should try to avoid it. With Antrun or some Beanshell or Groovy scripting it would be possible, though.
Somewhat more elegant would be a profile with auto-activation if the EXE file does not exist, then putting the dependency plugin inside the profile, i.e. it would only get active if the EXE does not exist in the first place.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install mainline
Checkout the master branch. git checkout master
Navigate to the config folder, create a file called database.yml with the your postgresql credentials. Example credentials
Install all dependencies using bundle install
Create two empty log files, just in case rails complains about it, touch log/development.log log/test.log
Rename gitorious.sample.yml to gitorious.yml and change hosts and usernames to suit your system
Create the db and migrate it bundle exec rake db:create db:migrate.
Start poller, git-daemon beanstalkd and spork by running foreman start
Seed the db CLEAR=1 bundle exec rake db:seed
Start server, rails s
Navigate to localhost:3000
Login using the information from db/seeds.rb.
Install PostgreSQL, use your favorite package manager or download src from http://www.postgresql.org/download/
Start the server deamon, the precompiled binary packages comes with init-scripts (eg rc.d start postgresql || service postgresql start) or you can run pg_ctl start
Create a user
sudo su postgres
psql
CREATE ROLE username WITH SUPERUSER CREATEDB CREATEROLE PASSWORD 'password' LOGIN;
(optional) Add postgres to autostart using distro-specific methods eg (chkconfig postgresql on || add it to runlevel 5 init-scripts, run-level 3 for servers)
sudo apt-get install postgresql postgresql-server-dev-9.1
Follow the Linux guidelines above about creating a user
sudo service postgresql restart
brew install postgresql
pg_ctl -D /usr/local/var/postgres -l /usr/local/var/postgres/server.log start
Get the binary from http://www.postgresql.org/download/macosx/ The binary includes the pgAdmin program which may aid in development and debugging.
sudo apt-get install beanstalkd
brew install beanstalkd
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