OStack Q&A-Knowledge Sharing Community

0 votes

293 views

1 answer

docker - Airbnb Airflow using all system resources

We've set up Airbnb/Apache Airflow for our ETL using LocalExecutor, and as we've started building ... .com/questions/42419834/airbnb-airflow-using-all-system-resources...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

112 views

1 answer

javascript - Angularjs Chrome autocomplete dilemma

I have a simple login form which works just peachy unless you use Chrome's auto complete feature. ... ://stackoverflow.com/questions/21168367/angularjs-chrome-autocomplete-dilemma...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

272 views

1 answer

Peeking in a heap in python

What is the official way of peeking in a python heap as created by the heapq libs? Right now I have def ... https://stackoverflow.com/questions/1750991/peeking-in-a-heap-in-python...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

355 views

1 answer

python 2.6 - No module named _cffi_backend

I have python2.6 in my Linux rhel-5. I have installed pip and required CFFI packages. When i try to ... :https://stackoverflow.com/questions/34370962/no-module-named-cffi-backend...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

335 views

1 answer

How to set timeout in RestClient gem in Ruby?

I am using RestClient gem by making get call to the server through it. The question is how do I set the ... com/questions/10483418/how-to-set-timeout-in-restclient-gem-in-ruby...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

206 views

1 answer

Why in JavaScript both "Object instanceof Function" and "Function instanceof Object" return true?

Why in JavaScript do both Object instanceof Function and Function instanceof Object return true? I tried ... javascript-both-object-instanceof-function-and-function-instanceof-obj...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

280 views

1 answer

Ruby find and return objects in an array based on an attribute

How can you iterate through an array of objects and return the entire object if a certain attribute is correct? I ... -find-and-return-objects-in-an-array-based-on-an-attribute...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

188 views

1 answer

c++11 - Does the C++ standard specify anything on the representation of floating point numbers?

For types T for which std::is_floating_point<T>::value is true, does the C++ standard specify anything on ... c-standard-specify-anything-on-the-representation-of-floating-point-n...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

259 views

1 answer

php - What does "x-powered by" mean?

I'm just curious to know what "x-powered by" means when we try to find the Web Server Information about some ... ://stackoverflow.com/questions/33580671/what-does-x-powered-by-mean...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

358 views

1 answer

Git confusion - how to revert local changes to latest remote push?

I have a local git repository, but things get wrong and complicated and I simply want to overwrite all the files ... git-confusion-how-to-revert-local-changes-to-latest-remote-push...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

353 views

1 answer

regex - How can I validate US Social Security Number?

Anyone out there know how to improve this function? I'm not worried about shortening the code, I'm sure this ... .com/questions/1517026/how-can-i-validate-us-social-security-number...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

1.1k views

1 answer

javascript - Service Worker registration error: Unsupported MIME type ('text/html')

I'm using create-react-app with an express server. create-react-app has a pre-configured ServiceWorker ... /service-worker-registration-error-unsupported-mime-type-text-html...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

240 views

1 answer

r - How to change order of array dimensions

How do I reorder the dimensions of an n dimensional array. For example, if I have a three dimensional array ... .com/questions/10679131/how-to-change-order-of-array-dimensions...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

335 views

1 answer

docker - How to create a bidirectional link between containers?

I have to link two containers so they can see each other. Of course the following... docker run -i ... com/questions/25324860/how-to-create-a-bidirectional-link-between-containers...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

106 views

1 answer

How to encrypt file from SD card using AES in Android?

I want to encrypt image from the sd card and store it again in SD card again using AES. The main idea is the ... /10782187/how-to-encrypt-file-from-sd-card-using-aes-in-android...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

266 views

1 answer

c# - How to retain callsite information when wrapping NLog

I have a class that wraps NLog (called NLogger). My logs are saved to my database. The thing I'm ... .com/questions/7412156/how-to-retain-callsite-information-when-wrapping-nlog...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

127 views

1 answer

What's the c++ inline class?

I accidentally found that the Clang compiler allows : inline class AAA { }; in C++. What's this? PS. I ... from:https://stackoverflow.com/questions/5388097/whats-the-c-inline-class...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

230 views

1 answer

godeps - How do I migrate from Dep to Go Modules

I'm currently using Dep and would like to start using Go modules. How do I migrate? question from:https:// ... /questions/55664630/how-do-i-migrate-from-dep-to-go-modules...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

636 views

1 answer

javascript - How to send a token with an AJAX request from jQuery

I use express-jwt and create my token via jQuery and save it in my localStorage with: $.ajax({ url: "http:// ... /35861012/how-to-send-a-token-with-an-ajax-request-from-jquery...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

299 views

1 answer

One line if/else condition in linux shell scripting

I would like to have the equivelant of the following in a one line if/else condition. $maxline=`cat journald ... /18179915/one-line-if-else-condition-in-linux-shell-scripting...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

219 views

1 answer

c# - Read from a file starting at the end, similar to tail

In native C#, how can I read from the end of a file? This is pertinent because I need to read a log file, ... questions/4368857/read-from-a-file-starting-at-the-end-similar-to-tail...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

165 views

1 answer

r - Concatenate rows of a data frame

I would like to take a data frame with characters and numbers, and concatenate all of the elements of the ... /stackoverflow.com/questions/13944078/concatenate-rows-of-a-data-frame...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

409 views

1 answer

mysql - Is it possible to rename a joined column during an inner join?

Say I have two tables, owner and dog. Both have column name, but I'd like to join them, so there is a ... 5994485/is-it-possible-to-rename-a-joined-column-during-an-inner-join...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

320 views

1 answer

android - EditText setError() with no message just the icon

Currently I have a really simple code that validates EditText fields and when the user hits the button at the ... /questions/6538709/edittext-seterror-with-no-message-just-the-icon...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

247 views

1 answer

Running an Ansible Playbook on a particular group of servers

I have the following /etc/ansible/hosts: [ESNodes] isk-vsrv643 isk-vsrv644 isk-vsrv645 [PerfSetup] isk-dsrv613 isk ... /running-an-ansible-playbook-on-a-particular-group-of-servers...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

152 views

1 answer

ruby on rails - Simple cropping with Paperclip

I would like to crop images on upload using Paperclip to get square thumbs from the center of the ... https://stackoverflow.com/questions/1017509/simple-cropping-with-paperclip...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

133 views

1 answer

Can I set an environment variable for an application using a shortcut in Windows?

I have a feeling I should be able add a directory to the PATH environment variable on an application- ... environment-variable-for-an-application-using-a-shortcut-in-windows...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

0 votes

196 views

1 answer

c# - Class with same name in two assemblies (intentionally)

I'm in the process of migrating a library that is written in C++ and has a C# wrapper. The C# ... .com/questions/3018419/class-with-same-name-in-two-assemblies-intentionally...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

Categories

Recent questions

Just Browsing Browsing

Most popular tags