OStack Q&A-Knowledge Sharing Community

0 votes

524 views

1 answer

linux - Remove a specific character using awk or sed

I have a command output from which I want to remove the double quotes ". Regex: strings -a libAddressDoctor5. ... com/questions/8008546/remove-a-specific-character-using-awk-or-sed...

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

0 votes

778 views

1 answer

python - Why is my plt.savefig is not working?

I have a simple python code as follows: import numpy as np import matplotlib.pyplot as plt """ Here are the ... .com/questions/30765455/why-is-my-plt-savefig-is-not-working...

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

0 votes

356 views

1 answer

Double Progress Bar in Python

Is there a way to create a double progress bar in Python? I want to run two loops inside each other. ... :https://stackoverflow.com/questions/23113494/double-progress-bar-in-python...

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

0 votes

569 views

1 answer

jboss - 'findstr' is not recognized as an internal or external command,

I got the following error while starting JBoss from a command line prompt today: 'findstr' is not recognized as ... /findstr-is-not-recognized-as-an-internal-or-external-command...

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

0 votes

239 views

1 answer

A simple SMTP server (in Python)

Could you please suggest a simple SMTP server with the very basic APIs (by very basic I mean, to read, ... ://stackoverflow.com/questions/2690965/a-simple-smtp-server-in-python...

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

0 votes

179 views

1 answer

python - Pandas dataframe add a field based on multiple if statements

I'm quite new to Python and Pandas so this might be an obvious question. I have a dataframe with ages ... /21733893/pandas-dataframe-add-a-field-based-on-multiple-if-statements...

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

0 votes

251 views

1 answer

syntax - What does the ** maths operator do in Python?

What does this mean in Python: sock.recvfrom(2**16) I know what sock is, and I get the gist of the ... stackoverflow.com/questions/1683008/what-does-the-maths-operator-do-in-python...

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

0 votes

441 views

1 answer

python - RuntimeError: main thread is not in main loop

When I call self.client = ThreadedClient() in my Python program, I get the error "RuntimeError: main thread ... com/questions/14694408/runtimeerror-main-thread-is-not-in-main-loop...

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

0 votes

146 views

1 answer

How to set Redis max memory?

I find the configure in this, it just said the command to use the specify configure: ./redis-server <path>/ ... ://stackoverflow.com/questions/33115325/how-to-set-redis-max-memory...

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

0 votes

220 views

1 answer

c# - Action/Func vs Methods, what's the point?

I know how to use Action and Func in .NET, but every single time I start to, the exact same solution ... /stackoverflow.com/questions/7630538/action-func-vs-methods-whats-the-point...

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

0 votes

167 views

1 answer

What is the difference between pageX/Y clientX/Y screenX/Y in Javascript?

(This question already has answers here): question from:https://stackoverflow.com/questions/9262741/what-is-the-difference-between-pagex-y-clientx-y-screenx-y-in-javascript...

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

0 votes

597 views

1 answer

linux - check if file exists on remote host with ssh

I would like to check if a certain file exists on the remote host. I tried this: $ if [ ssh user@localhost - ... com/questions/12845206/check-if-file-exists-on-remote-host-with-ssh...

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

0 votes

143 views

1 answer

How to prevent the screen of an android device to turn off during the execution of an Activity?

I have an Activity that usually needs some time to watch the screen without interacting with it. The problem is ... screen-of-an-android-device-to-turn-off-during-the-execution...

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

0 votes

118 views

1 answer

c# - When to use Factory method pattern?

When to use Factory method pattern? Please provide me some specific idea when to use it in project? and ... /stackoverflow.com/questions/1519358/when-to-use-factory-method-pattern...

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

0 votes

82 views

1 answer

How can I get ack to ignore *.orig files?

I put this in my .ackrc: --type-set=DUMB=*.orig --noDUMB ... but I'm still seeing files like main.py ... /stackoverflow.com/questions/4748529/how-can-i-get-ack-to-ignore-orig-files...

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

0 votes

375 views

1 answer

bash - How to use Pigz with Tar

So I am using pigz in tar with tar --use-compress-program=pigz and this works but it doesn't use all of ... :https://stackoverflow.com/questions/36917882/how-to-use-pigz-with-tar...

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

0 votes

643 views

1 answer

html - Prevent child div from expanding outside of parent?

Jsfiddle showing the issue: https://jsfiddle.net/ibrewster/g6v2x7ku/12/ Note how the pink div expands beyond ... /36609079/prevent-child-div-from-expanding-outside-of-parent...

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

0 votes

192 views

1 answer

How can I clear a stack in c++ efficiently?

I have a c++ stack named pages. As I have no clear() function to clear a stack, I wrote the following code ... .com/questions/40201711/how-can-i-clear-a-stack-in-c-efficiently...

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

0 votes

559 views

1 answer

Swagger; specify two responses with same code based on optional parameter

This question is not a duplicate of (Swagger - Specify Optional Object Property or Multiple Responses) because that ... -two-responses-with-same-code-based-on-optional-parameter...

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

0 votes

336 views

1 answer

php - Use fgetcsv for tab delimited file

Is it possible to use fgetcsv in PHP to open a tab-delimited file? question from:https://stackoverflow.com/questions/2582021/use-fgetcsv-for-tab-delimited-file...

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

0 votes

257 views

1 answer

Java - what are characters, code points and surrogates? What difference is there between them?

I'm trying to find an explanation of the terms "character", "code point" and "surrogate", and while ... what-are-characters-code-points-and-surrogates-what-difference-is-there...

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

0 votes

763 views

1 answer

Terraform + DynamoDB: All attributes must be indexed

I want to create a Terraform configuration for DynamoDB table with multiple (> 10) attributes. And I ... com/questions/50006885/terraform-dynamodb-all-attributes-must-be-indexed...

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

0 votes

251 views

1 answer

Counting number of occurrences of a char in a string in C

I have the string str char *str = "100.10b.100.100"; I want to count the occurrences of '.' in str, ... /4235519/counting-number-of-occurrences-of-a-char-in-a-string-in-c...

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

0 votes

144 views

1 answer

Why HttpParams doesn't work in multiple line in angular 4.3

From Angular 4.3 they introduced HttpClient instead of Http. in HttpClient I can't use URLSearchParams for url query ... why-httpparams-doesnt-work-in-multiple-line-in-angular-4-3...

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

0 votes

129 views

1 answer

javascript - How do I setState for nested object?

For a plugin I'm using I have to have a state that looks like this: getInitialState() { return { ... /stackoverflow.com/questions/34956479/how-do-i-setstate-for-nested-object...

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

0 votes

454 views

1 answer

Angular start ngFor index from 1

Is it possible to start ngFor index from 1 instead of 0? let data of datas;let i=index+1 didn't ... https://stackoverflow.com/questions/39057119/angular-start-ngfor-index-from-1...

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

0 votes

1.2k views

1 answer

magento - How to get Fedex testing tracking number?

I'm configuring FEDEX shipping in Magento website. I got test account number, password, API key and meter ... .com/questions/11049025/how-to-get-fedex-testing-tracking-number...

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

0 votes

113 views

1 answer

javascript - How to get Mocha to fail a test

I have the following test: it.only('validation should fail', function(done) { var body = { title: " ... .com/questions/30874676/how-to-get-mocha-to-fail-a-test...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags