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Astro Coke

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scraps of computational & numerical configuration

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[Python] Install polyglot on Mac reference: https://medium.com/hackernoon/install-polyglot-on-mac-3c90445abc1f There is no mac-compatible version of polyglot python package in conda channels. Therefore, we have to install it via secondary method. It is a bit problematic as it raised error when installing via "pip" (even though no error, when it is imported, it raised a dependency errors). First let us install the icu4c library .. 공감수 0 댓글수 0 2022. 10. 6.
[NAS] read/write HFS+ (mac OS) USB Drive from a synology system source: https://ssledz.github.io/blog/2016/01/10/write-to-an-hfs-plus-usb-drive-from-a-synology-nas/ To be albe to write/read to an HSF+ USB drive, we need first disable journaling on the drive connect your drive to nas remount device with "ro" (read only) flag switched off disableing journaling in the drive To be able to do this you need to plug in your device to the mac (I couldn’t do this fro.. 공감수 0 댓글수 0 2021. 9. 25.
[HDF5] Trouble shooting (+fortran) After completing the installation with cmake, sometimes it is needed to update the library path, export LD_LIBRARY_PATH=/directory/hdf5/lib/installed:$LD_LIBRARY_PATH One issue I had was that even though I enabled Fortran setup in CMake option during the installation, fortran-hdf5 libraries were not working. This is simply because the link of "include" should be directed to "shared". For example.. 공감수 0 댓글수 0 2021. 7. 13.
[Jupyter] Shutdown by port number Jupyter lab 이나 Jupyter notebook 을 외부에서 접속해서 사용할 때, 백그라운드로 활성화시켜서 종료할 때 확인을 잘 못하는 경우가 있다. 이럴 땐, 계속해서 돌아가는 일들이 종종 있는데, > jupyter lab list 위 명령어로 현재 살아 있는 노트북을 확인 할 수 있다 (경우에 따라 lab 과 notebook을 바꿔서 쓸 수 있다). 이를 통해 확인한 port 넘버로 (e.g., 8888) 아래와 같이 중단할 수 있다. jupyter lab stop 이때 간혹, ConnectionRefusedError: [Errno 10061] Unknown error 와 같은 에러가 발생하기도 하는데, 이 경우에는, jupyter --paths 를 통해 runtime 임시 파일 폴더의 위치.. 공감수 0 댓글수 0 2021. 7. 8.
[Globus] Command-line Globus (in beluga cluster) source:https://docs.computecanada.ca/wiki/Globus#Command_Line_Interface_.28CLI.29 https://hpc.nih.gov/storage/globus.html Command Line Interface (CLI)[edit] Installing[edit] The Globus command line interface is a python module which can be installed using pip. Below are the steps to install Globus CLI on one of our clusters. Create a virtual environment to install the Globus CLI into (see creati.. 공감수 0 댓글수 0 2021. 5. 17.
[Linux] create separate tar files from multiple folders (files) source: 여러 폴더를 상응한 이름의 압축파일로 변환하기 위해서는 메크로가 필요하다. e.g.) \tmp1 \tmp2 \tmp3 --> tmp1.tar.gz tmp2.tar.gz tmp3.tar.gz 하지만 아래와 같은 간단한 명령어로 쉽게 바꿀 수 있다. find tmp* -type d -execdir tar cvfz '{}.tar.gz' '{}' \; The first argument is the directory you want to begin in, and find the folders (or files) Then we will restrict it to find folders only (-type d; if it is files, it should be -type f) The -execdir.. 공감수 0 댓글수 0 2021. 1. 19.
[Mac] ahnlab safe transaction on Mac OSX source: osxdaily.com/2011/03/08/remove-an-agent-from-launchd/ 인터넷 뱅킹을 할때 부득이하게 설치를 해야하는 프로그램인 ahnlab safe transaction 은 기타 다른 프로그램 작동에도 영향을 준다. 그리고 이 프로그램은 기본적으로 로그인시 자동 실행 되기때문에 매번 실행을 중지해줘야 하는 번거러움이 있다. 우선 실행을 중지하는 방법으로는 activity Monity 를 실행해서 astxAgent 를 중지시킨다. 이후 로그인 자동실행을 방지하기 위해서는 터미널을 열고 launchctl 명령어로 실행되는 deamon 프로그램을 검색한다. > launchctl list | grep astx -> ... ... com.astx.firewall.Agent.. 공감수 0 댓글수 0 2020. 12. 18.
[Git] git merge between master and branches source: stackoverflow.com/questions/26024586/how-can-i-merge-a-branch-into-master-but-continue-working-on-the-branch You shouldn't merge Farmcrops directly into master, because you run the risk of breaking the code in master, which, by convention, is supposed to be more stable. Instead, check out Farmcrops and merge master into it. git checkout Farmcrops git merge master Then you'll get -- o -- .. 공감수 0 댓글수 0 2020. 10. 12.
[Jekyll] Dependency errors when gem bundles are updated bundle exec jekyll serve 로 jekyll을 구동할 때, 아래와 같이 Dependency error 가 발생하면, Dependency Error: Yikes! It looks like you don't have kramdown-parser-gfm or one of its dependencies installed. 우회적인 방법으로 Gemfile 에서 버전을 고정해주는 방법이 있다. 우선 gem install kramdown-parser-gfm --user-install 로 패키지를 설치하고, 이후에도 여전히 Dependency error 가 똑같이 발생하면, Gemfile 을 열어 아래와 같이 plugin 의 버전을 고정해준다. (ex., v1.1.0 for kramdown-parser.. 공감수 0 댓글수 0 2020. 8. 21.
[Latex] pdflatex occasionally conflicts with hyperlink breaking source: https://charly-lersteau.com/posts/2019-12-26-latex-hyperref-error-pdfendlink/ The following error message is due to a hyperlink breaking across two pages[1]. pdfTeX error (ext4): \pdfendlink ended up in different nesting level than \pdfstartlink. \AtBegShi@Output ...ipout \box \AtBeginShipoutBox Since pdflatex cannot deal with it, a suggested method is to identify the breaking hyperlink .. 공감수 0 댓글수 0 2020. 8. 16.
[Windows] Python setup for Sub-Users 서브 유저 아이디를 만들고 로그인을 했더니 python 실행이 안되었다. > python Fatal Python error: Py_Initialize: unable to load the file system codec ModuleNotFoundError: No module named 'encodings' Current thread 0x0000037c (most recent call first): 이것은 Environment Variables 에서 PATH 설정에 python (anaconda) 폴더가 포함이 안되어 있어서 발생할 수도 있지만, 또 다른 이유는 python 이 설치되어 있는 장소가 메인 유저의 홈 디렉토리라면 그 디렉토리를 다른 서브 유저들이 접속 권한이 없다면 발생할 수 있다. 해결책은 .. 공감수 0 댓글수 0 2020. 7. 29.
[Conda] Add Virtual Environment to Jupyter Notebook source: https://janakiev.com/blog/jupyter-virtual-envs/#:~:text=A%20virtual%20environment%20is%20an,or%20packages%20for%20different%20projects. Create Virtual Environment with Anaconda Let’s have a look how to create an virtual environment with Anaconda. Anaconda is a Python (and R) distribution that has the goal to simplify package management and deployment for scientific computing. After the i.. 공감수 0 댓글수 0 2020. 6. 12.
[Conda] Create Virtual Environments for python with conda source : https://uoa-eresearch.github.io/eresearch-cookbook/recipe/2014/11/20/conda/ A virtual environment is a named, isolated, working copy of Python that that maintains its own files, directories, and paths so that you can work with specific versions of libraries or Python itself without affecting other Python projects. Virtual environmets make it easy to cleanly separate different projects a.. 공감수 0 댓글수 0 2020. 6. 12.
[Python] Setup mpi4py (intel compiled) in Cygwin Window source: https://stackoverflow.com/questions/14004457/error-loading-mpi-dll-in-mpi4py 1. download MS MPI, install both .mis and SDK. 2. set up environmental variables control panel --> advanced system settings --> environmental variables --> add (1) C:\Program Files (x86)\Microsoft SDKs\MPI and (2) C:\Program Files\Microsoft MPI\Bin. There are my paht, you may need to change the path here. 3. ins.. 공감수 0 댓글수 0 2020. 2. 3.
[ImageMagick] resize pdf files To resize the pdf files in mac (or linux) platform, the ImageMaick package provides convenient way. Once you install the image magick package, you can resize the pdf files like below: > convert -density 200 file_origin.pdf file_outcome.pdf Here, you can change the density number to control the size of output. The information of pdf files can be found by > identify -verbose file.pdf | head 공감수 0 댓글수 0 2019. 12. 16.
[C++] Pointers, References and Dynamic Memory Allocation source: https://www.ntu.edu.sg/home/ehchua/programming/cpp/cp4_PointerReference.html Pointers, References and Dynamic Memory Allocation are the most powerful features in C/C++ language, which allows programmers to directly manipulate memory to efficiently manage the memory - the most critical and scarce resource in computer - for best performance. However, "pointer" is also the most complex and .. 공감수 0 댓글수 0 2019. 11. 3.
[Bash] Bash scripting cheatsheet source: https://devhints.io/bash Example #!/usr/bin/env bash NAME="John" echo "Hello $NAME!" Variables NAME="John" echo $NAME echo "$NAME" echo "${NAME}!" String quotes NAME="John" echo "Hi $NAME" #=> Hi John echo 'Hi $NAME' #=> Hi $NAME Shell execution echo "I'm in $(pwd)" echo "I'm in `pwd`" # Same See Command substitution Conditional execution git commit && git push git commit || echo "Commit.. 공감수 0 댓글수 0 2019. 11. 3.
How to Remote Access Windows 10 with Mac OS X? source: https://www.tactig.com/remote-access-windows-10-with-mac-os-x/ The remote access with windows 10 is much easy and comfortable to do but if a question appears about remote access Windows 10 with Mac OS X then it’s somehow difficult to do that’s why this time we’ve covered this topic and want to show you. The remote access is the best solution for helping each others from different and far.. 공감수 0 댓글수 0 2019. 11. 3.
[arXiver] Figure select for the arXiver Many of you were wondering 1) how the figures in the “API papers of the day” on the wall of the common room are chosen 2) whether you can pre-select the figures you want to appear. We thought that it would be helpful for everyone to know about this 1) We are using the website https://arxiver.moonhats.com which lists the recent papers of the arxiv.org in a more visually appealing way (using figur.. 공감수 1 댓글수 0 2019. 11. 3.
[Vi] Huge delay when copying & pasting contents in folded texts source: https://vim.fandom.com/wiki/Keep_folds_closed_while_inserting_text Setting 'foldmethod' to syntax causes two annoying problems: a general slow-down of Vim when inserting/completing text, and folds which go "SPROING!" every time you insert text which creates a new fold. The first problem is caused by Vim's syntax folding being so slow compared to other methods; see :help todo.txt and sear.. 공감수 0 댓글수 0 2019. 9. 13.
[Vi] set-up case-sensitivity in searching in .vimrc, you can add the commands for the case-sensitivity :set ignorecase :set smartcase Then, you can search words with some case sensitivity rules below: /copyright -> Case insensitive /Copyright -> Case sensitive /copyright\C -> Case sensitive /Copyright\c -> Case insensitive \c or \C at the end of the word is the explicity commands for the sensitivity. :help /\c :help /\C :help 'smartcase' 공감수 0 댓글수 0 2019. 8. 12.
[Jekyll] nstall nokogiri problem: resolution with MacPorts Jekyll 의 테마를 다음과 같이 설치할 때, > sudo gem install jekyll > sudo gem install bundle > bundle update nokogiri 를 설치하는 과정에서 에러에 봉착하는 경우에는 다음과 같이 우회해서 설치해야 한다. 1) homebrew 를 기본 관리자로 사용하는 경우 > brew unlink xz > sudo gem install nokogiri > brew link xz 2) Macports 를 기본 관리자로 사용하는 경우 > sudo port -s -v install xz libxml2 libxslt +universal > sudo port -s -v install xz libxml2 libxslt +universal 위의 명령어는 페키지를 bi.. 공감수 0 댓글수 0 2019. 8. 2.
[Git] Merge Conflicts source: https://stackoverflow.com/questions/161813/how-to-resolve-merge-conflicts-in-git > git pull origin master From ssh://gitosis@example.com:22/projectname * branch master -> FETCH_HEAD Updating a030c3a..ee25213 error: Entry 'filename.c' not uptodate. Cannot merge. pull 하는 과정에서 conflict 이 발생했을 때, 아래와 같이 local 에서 add 와 commit 을 실행한 후 다시 pull 을 하면 CONFLICT 가 발생되고, 해당 파일안에는 FETCH_HEAD Auto-merg.. 공감수 0 댓글수 0 2019. 7. 17.
[Conda] Install packages through anaconda Anaconda를통해 python package를설치할때 > conda install 에서 찾을 패키지를 찾을 수 없다면, > anaconda search -t conda 을 통해 추가 정보를 찾을 수 있다. 이때 Name 에 eg) conda-forge/pyhdf | ... | .... |.... 와 같은 정보가 있다면 > conda install -c conda-forge pyhdf (pyhdf --> example of package name) 과 같이 채널을 설정해서 설치 할 수 있다. 위의 채널 정보는 Anaconda 패키지 사이트에서도 검색할 수 있다. https://anaconda.org/anaconda/repo 설치된 패키지를 확인하려면 > conda list Anaconda 에서 찾을 수.. 공감수 0 댓글수 0 2019. 7. 12.
[Vi] change the file type between dos and unix source: https://kb.iu.edu/d/acux There are two methods for converting the file type between dos and unix. 1) vim, use :set ff=unix to convert to Unix; use :set ff=dos to convert to Windows. 2) show ^M and remove it: :e ++ff=unix It force-set the fileformat as unix without actually changing the contents. So vim reads it like a Unix file, sees the CR characters as extra and displays them as ^M. In.. 공감수 0 댓글수 0 2019. 5. 10.
[Conda] Remove the environment title in the prompt When we activate the conda configuration, the title of the environment would appear at the prompt: (e.g. for the base environment) (base) astrodoo> In order to remove the title, we can simply change the set up by the command: > conda config --set changeps1 False or by editing .condarc file > changeps1: False 공감수 0 댓글수 0 2019. 5. 5.
[Cygwin] Installing CYGWIN + SSHD for remote access through SSH on windows source: https://gist.github.com/roxlu/5038729 1) 우선은 cygwin set-up 실행파일을 통해 openssh 와 cygrunsrv 패키지를 설치해야한다. 2) Configure SSHD - open a cygwin terminal: start > RIGHT MOUSE ON "Cygwin terminal" AND "RUN AS ADMINISTRATOR" - $ ssh-host-config - Are you sure you want to continue: YES - You have the required privileges: YES - Overwrite existing /etc/ssh_config: YES - Should privilege separation be u.. 공감수 0 댓글수 0 2019. 5. 4.
[Vi & Visual Studio] Compatibility of tab space between vi and visual studio source: https://tedlogan.com/techblog3.html tabstop Set tabstop to tell vim how many columns a tab counts for. Linux kernel code expects each tab to be eight columns wide. Visual Studio expects each tab to be four columns wide. This is the only command here that will affect how existing text displays. expandtab When expandtab is set, hitting Tab in insert mode will produce the appropriate number.. 공감수 0 댓글수 0 2019. 4. 25.
[OSX&Windows] ._ files in tar from Mac OSX source1: https://superuser.com/questions/61185/why-do-i-get-files-like-foo-in-my-tarball-on-os-x source2: https://apple.stackexchange.com/questions/14980/why-are-dot-underscore-files-created-and-how-can-i-avoid-them Mac OSX 에서 압축한 것들을 다른 플랫폼에서 압축 해제할 때, ._ 파일들이 생성될 때가 있다. 이 때에는 아래와 같은 방법으로 해결할 수 있다. 1) OS X 설정 OS X's tar also knows how to convert the ._ members back to native formats, but the ._.. 공감수 1 댓글수 1 2019. 4. 23.
[Python] ssh Portforwarding & iPython notebook 서버 접속에서 이용하기 source: https://www.digitalocean.com/community/tutorials/how-to-set-up-a-jupyter-notebook-to-run-ipython-on-ubuntu-16-04 서버에 접속을 해서 jupyter (or ipython) 를이용할 때, 기본적으로는 서버에 있는 브라우저를 통해 작업을 하도록 설정이 되어 있어 속도가 현저히 느려진다. 이를 해결하기 위해, portforwadring 을 통하여 현재(리모트) 컴퓨터의 브라우저를 대신 이용하는 방법이 있다. 1) portforwarding > ssh -L 8080:localhost:8080 astrodoo@xxx.xxx.xxx.xxx ssh 를 통해 portforwarding을 하는 방법. (-L) 앞의 80.. 공감수 0 댓글수 0 2019. 4. 12.

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