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QUESTION
I want to export only the SVG of the "Radial Stacked Barchart" using jsdom.env is not a function exporting svg to image for the "Radial Stacked Barchart" I use the following article: https://bl.ocks.org/KoGor/9f3932d3c7154f8ab3ea2078b2aca113
I created two scripts
ExportToSVG.js script:
...ANSWER
Answered 2021-Mar-10 at 11:06the following should work for you.
You need an environment that supports the Fetch API, such as a a web browser. Node does not currently support Fetch, though it may in the future. If you want to load this library in an environment that does not natively support Fetch you will need to load your own polyfill such as node-fetch.
QUESTION
I am following the book Kubernetes for developers and seems maybe book is heavily outdated now. Recently I have been trying to get prometheus up and running on kubernetes following the instruction from book. That suggested to install and use HELM to get Prometheus and grafana up and running.
...ANSWER
Answered 2021-May-09 at 14:37Unless you configure your cluster with dynamic volume provisioning , you will have to make the PV manually each time. Even if you are not on a cloud, you can setup dynamic storage providers. There are a number of options for providers and you can find many here. Ceph and minio are popular providers.
QUESTION
I hope someone got a little help or ideas how to realize an update tool using powershell.
General idea: Before a zipped file will be downloaded, it must check and compare two dates for differences (in days). One date of an .exe file, the other date on a website.
The routine so far for me was to download the file first (regardless of any date) and then a checkup and comparison of two dates from two files (.exe files) happens. Depending on the dates, I continue some replacing and deleting.
Since the download process (around 30mb) always occurs, id like to have some kind of comparison first (if possible), to avoid the download process every time, when not needed.
What I got working so far for the comparison of two .exe file is:
...ANSWER
Answered 2021-Apr-25 at 21:49I'd say, you'd first have to get the html from the site (e.g. using Invoke-WebRequest).
And after that, parse the html. I strongly recommend using a dedicated library for that (e.g. HTML Agility Pack), but for this simple case I think regex will suffice.
Here's one simple suggestion:
QUESTION
I have 3 nodes Galera cluster with MariaDB 10.4.13. Each node have 32GB RAM, and 2GB Swap. After my mysql tuning about 1 month ago each node memory almost full, but I think it is ok. But the last few days Swap size reached maximum and does not go down. My my.cnf looks like this:
####Slow logging
slow_query_log_file=/var/lib/mysql/mysql-slow.log
long_query_time=2
slow_query_log=ON
log_queries_not_using_indexes=ON
############ INNODB OPTIONS
innodb_buffer_pool_size=24000M
innodb_flush_log_at_trx_commit=2
innodb_file_per_table=1
innodb_data_file_path=ibdata1:100M:autoextend
innodb_read_io_threads=4
innodb_write_io_threads=4
innodb_doublewrite=1
innodb_log_file_size=6144M
innodb_log_buffer_size=96M
innodb_buffer_pool_instances=24
innodb_log_files_in_group=2
innodb_thread_concurrency=0
#### innodb_file_format = barracuda
innodb_flush_method = O_DIRECT
#### innodb_locks_unsafe_for_binlog = 1
innodb_autoinc_lock_mode=2
######## avoid statistics update when doing e.g show tables
innodb_stats_on_metadata=0
default_storage_engine=innodb
innodb_strict_mode = 0
#### OTHER THINGS, BUFFERS ETC
#### key_buffer_size = 24M
tmp_table_size = 1024M
max_heap_table_size = 1024M
max_allowed_packet = 512M
#### sort_buffer_size = 256K
#### read_buffer_size = 256K
#### read_rnd_buffer_size = 512K
#### myisam_sort_buffer_size = 8M
skip_name_resolve
memlock=0
sysdate_is_now=1
max_connections=500
thread_cache_size=512
query_cache_type = 1
query_cache_size = 512M
query_cache_limit=512K
join_buffer_size = 1M
table_open_cache = 116925
open_files_limit = 233850
table_definition_cache = 58863
table_open_cache_instances = 8
lower_case_table_names=0
With this configuration, I wanted MariaDB to use maximum, as long as it is not critical. I wanted to review this configuration, and maybe disable query_cache part, and also adjust InnoDB values. Please give me some recommendations, and also let me know if the swap size is good enough, or maybe need to disable mysql to use swap at all.
...ANSWER
Answered 2021-Apr-03 at 00:18None of these is necessarily too big, but there may be things going on that conspire to make them too big, especially when combined:
QUESTION
i setted docker on ec2 and upload crawler scrapy code. since yesterday when i run ec2, it could collect data well. but suddenly now it doesn't work well. i guessed it is EC2 problem, because it could work well till today lunch time.
then i try to check EC2 condition, typed df -h, it showed
ANSWER
Answered 2021-Mar-23 at 09:29It is clear that your EC2 instance has disk usage issue (disk gets full).
You successfully increased the volume size (as shown in lsblk output) but you also need to extend the file system, as described here.
Essentially, you should run sudo growpart /dev/xvda 1 and sudo resize2fs /dev/xvda1. Use df -h again to verify.
In order to optimize performance, you should consider:
- Using a dedicated volume for your workload (i.e. mount a new, larger EBS volume on
/mnt/dataand configure your application to use this path for data storage) - Resize this volume and/or change type (i.e. use provisioned IOPS SSD)
Scrapy also supports S3 for storage.
You can configure scrapy logging to use a specific log file (--logfile FILE which you can later delete) or disabled it altogether (--nolog, not recommended).
QUESTION
im working on a telegram bot using the telegraf package. (version 4.1.1)
everything was working until i started using more modules from the telegraf package like Extra and mark-up.
I started getting this error:
...ANSWER
Answered 2021-Feb-27 at 17:12Well... in case anyone ever gets this error here is how i solved it.
after avoiding this issue by crying, sleeping and watching stupid youtube videos (shout out to Sseth).
ive reinstalled everything i could, nothing helped. checked npm version and noticed my code appeared as a installed package, i thought "Die" and removed it. for some reason that fixed it. if anyone knows the reason behind this behavior i would love to know.
you're all great, have a good one.
QUESTION
I upgraded the elasticsearch chart in kubernetes from 6.6 to 7.10.2 version. Data and master pods are running and ready but, the clients aren't ready (2 clients, 2 data , 3 master).
This is their status:
...ANSWER
Answered 2021-Jan-24 at 14:30You must have odd number of master nodes, e.g. 1, 3, 5 and so on, usually 3 masters is optimal. Otherwise your cluster won't work due to lack of quorum.
QUESTION
I'm currently trying to follow this tutorial for Ethereum Solidity coding, and for the following code:
...ANSWER
Answered 2021-Jan-19 at 14:27As per the discussion we had above, since the solidity file is using v0.4.17, you should use the same version of solc library in your code.
I have created a working example of your code here and the only two changes required were:
- Making sure I use
v0.4.17of solc. - Import
const solc = require("solc");and notconst solc = require("solc").default;
If you are having trouble downgrading the solc package, then
- Delete
package-lock.jsonfile andnode_modules/folder. - Update the
package.jsonfiles dependency to"solc": "0.4.17"and not to"^0.4.17" - Simply run
npm installone last time.
This should be enough to get you up and running.
QUESTION
This is how my output looks like. I have exhausted so many methods from previous similar questions but none of them worked in my case. I am really new with node js so any suggestion would be really helpful -
...ANSWER
Answered 2021-Jan-14 at 17:35Looks like this is a known bug in the module. You could try patching their code as recommended in the issue, or (what I personally would recommend), get WSL set up so you don't have to fight with as many inconsistencies on Windows. Or you could submit a pull request to that module to fix the issue.
QUESTION
I am implementing RecyclerView and CardView. RecylerView didn't gives any error but CardView xml shows me this error: Could not load controls from the Android Support Library, Performing a NuGet Restore may fix this.
...ANSWER
Answered 2020-Dec-23 at 02:41You could try to check if your project has migrated to AndroidX
If yes,you could refer to this.
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