OStack Q&A-Knowledge Sharing Community

0 votes

103 views

1 answer

I have some code on a Cortex-M4 microcontroller and'd like to communicate with a PC using a binary ... :https://stackoverflow.com/questions/45116212/are-packed-structs-portable...

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

0 votes

360 views

1 answer

docker - Usage of loopback devices is strongly discouraged for production use

I want to test docker in my CentOS 7.1 box, I got this warning: [root@docker1 ~]# docker run ... /31620825/usage-of-loopback-devices-is-strongly-discouraged-for-production-use...

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

0 votes

348 views

1 answer

scala - Difference Await.ready and Await.result

I know this is quite an open ended question and I apologize. I can see that Await.ready returns ... /stackoverflow.com/questions/41170280/difference-await-ready-and-await-result...

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

0 votes

134 views

1 answer

c# - Twitter Bootstrap and ASP.NET GridView

I am having aproblem using Twitter Bootstrap from my ASP.NET application. When I use the table table- ... .com/questions/12362361/twitter-bootstrap-and-asp-net-gridview...

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

0 votes

119 views

1 answer

sql - How to store array or multiple values in one column

Running Postgres 7.4 (Yeah we are in the midst of upgrading) I need to store from 1 to 100 selected items ... questions/6360739/how-to-store-array-or-multiple-values-in-one-column...

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

0 votes

104 views

1 answer

What is dynamic initialization of object in c++?

What is dynamic initialization of objects in c++? Please explain with an simple example... question from:https: ... /questions/5945897/what-is-dynamic-initialization-of-object-in-c...

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

0 votes

357 views

1 answer

c# - MemoryCache AbsoluteExpiration acting strange

I'm trying to use a MemoryCache in .net 4.5 to keep track of and automatically update ... ://stackoverflow.com/questions/12630168/memorycache-absoluteexpiration-acting-strange...

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

0 votes

177 views

1 answer

c# - How can I use the RelayCommand in wpf?

How can I use the RelayCommand in wpf? question from:https://stackoverflow.com/questions/862570/how-can-i-use-the-relaycommand-in-wpf...

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

0 votes

216 views

1 answer

c# - Why does a bad password cause "Padding is invalid and cannot be removed"?

I needed some simple string encryption, so I wrote the following code (with a great deal of "inspiration" from ... a-bad-password-cause-padding-is-invalid-and-cannot-be-removed...

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

0 votes

97 views

1 answer

javascript - Correct way to create event handlers using hooks in React?

In a typical class-based React component, this is how I would create an event handler: class MyComponent extends ... /correct-way-to-create-event-handlers-using-hooks-in-react...

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

0 votes

133 views

1 answer

How to return one and only one value from a PowerShell function?

I've learned from this Stack Overflow question, that PowerShell return semantics are different, let's say, from C#'s ... to-return-one-and-only-one-value-from-a-powershell-function...

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

0 votes

318 views

1 answer

Is there a Scala equivalent for the python enumerate?

I'd like the convienience of for i, line in enumerate(open(sys.argv[1])): print i, line when doing ... com/questions/6486466/is-there-a-scala-equivalent-for-the-python-enumerate...

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

0 votes

503 views

1 answer

environment variables - Where to store sensitive data in public rails app?

My personal rails project uses a few API's for which I store the API keys/secrets in config/environments/production ... /6113042/where-to-store-sensitive-data-in-public-rails-app...

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

0 votes

99 views

1 answer

javascript - Output jasmine test results to the console

I am using Jasmine (BDD Testing Framework for JavaScript) in my firefox add-on to test the functionality of my ... .com/questions/7157999/output-jasmine-test-results-to-the-console...

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

0 votes

280 views

1 answer

how do I implement role based access control in firebase

This is my first foray into Firebase & nosql, I come from a SQL background. Using Simple Login Security Email/ ... 19520615/how-do-i-implement-role-based-access-control-in-firebase...

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

0 votes

189 views

1 answer

html - Should I include a <meta generator> tag?

Suppose I have some sort of proprietary web framework. Should I include a <meta generator="My framework"> tag ... .com/questions/3632166/should-i-include-a-meta-generator-tag...

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

0 votes

404 views

1 answer

php - What is the difference between destroy() and delete() methods in Laravel?

I'm having a minor issue with Laravel 4. I'd like to use the delete() method on a record but for ... /22628981/what-is-the-difference-between-destroy-and-delete-methods-in-laravel...

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

0 votes

406 views

1 answer

c# - WPF: How can I stretch the middle child in a DockPanel?

I added a DockPanel to a RadioButton element such that I can distribute the radio button label, a textbox and a button ... /wpf-how-can-i-stretch-the-middle-child-in-a-dockpanel...

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

0 votes

381 views

1 answer

html - Is it wrong to use the fieldset tag without form tag?

I was wondering if I can use the fieldset tag without being inside a form. Because I like the way it encloses the ... /9812898/is-it-wrong-to-use-the-fieldset-tag-without-form-tag...

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

0 votes

456 views

1 answer

ios - Change color of inset area in UITableView separator

I have a customized UITableView, the cells have a different background color (set in a custom backgroundView). ... /22224700/change-color-of-inset-area-in-uitableview-separator...

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

0 votes

223 views

1 answer

git - msysgit on windows -- what should I be aware of, if any?

This is related to another question I asked recently. When installing msysgit, the installer presents 3 options related to system ... -on-windows-what-should-i-be-aware-of-if-any...

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

0 votes

180 views

1 answer

Visual Studio Solutions / Multiple project : How to effectively propagate project properties amongst several C++ projects

I am working with a Visual Studio 2005 C++ solution that includes multiple projects (about 30). ... visual-studio-solutions-multiple-project-how-to-effectively-propagate-projec...

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

0 votes

127 views

1 answer

How do you prevent Visual Studio from switching to the Code Analysis tab after each build?

After each build, Visual Studio 2012 switches from the Solution Explorer to the Code Analysis tab, usually with the ... -studio-from-switching-to-the-code-analysis-tab-after-e...

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

0 votes

1.1k views

1 answer

svg - D3 transform scale and translate

I tried to understand how the transform is working in D3 but I think I didn't get it. Does the ... :https://stackoverflow.com/questions/10893004/d3-transform-scale-and-translate...

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

0 votes

490 views

1 answer

mysql - Job for mysqld.service failed See "systemctl status mysqld.service"

Console says [root@ip-172-31-18-2 mysql]# service mysqld start Starting mysqld (via systemctl): Job for ... /job-for-mysqld-service-failed-see-systemctl-status-mysqld-service...

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

0 votes

222 views

1 answer

Youtube subscriber count with Youtube Data Api V3

So previously i was getting a youtube channel subscriber count with youtube data api v2. I used the ... questions/30723866/youtube-subscriber-count-with-youtube-data-api-v3...

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

0 votes

661 views

1 answer

python - sqlalchemy : executing raw sql with parameter bindings

I'm trying to run this simple raw sql statement with parameters with SQLALchemy (within an alembic ... /questions/23206562/sqlalchemy-executing-raw-sql-with-parameter-bindings...

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

0 votes

67 views

1 answer

python - Checking call order across multiple mocks

I have three functions that I'm trying to test the call order of. Let's say that in module ... //stackoverflow.com/questions/22677280/checking-call-order-across-multiple-mocks...

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

Categories

Recent questions

Just Browsing Browsing

Most popular tags