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I am trying to use Socket.IO in Node.js, and am trying to allow the server to give an identity to ... currently using Express, if that makes things any easier) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Keep SSH session alive

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Positioning MKMapView to show multiple annotations at once

I've got several annotations I want to add to my MKMapView (it could 0-n items, where n is generally ... a better place? -viewDidLoad? Thanks in advance. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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rest - When do I use path params vs. query params in a RESTful API?

I want to make my RESTful API very predictable. What is the best practice for deciding when to make a ... thumb on knowing when to use path params? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How can I get stock quotes using Google Finance API?

I'm looking for access to financial data from Google services. I found this URL that gets the stock data ... all the different information that I could get. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++ - How does BLAS get such extreme performance?

Out of curiosity I decided to benchmark my own matrix multiplication function versus the BLAS implementation... I ... Why is my implementation so much slower? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Programmatically open Maps app in iOS 6

Previous to iOS 6, opening a URL like this would open the (Google) Maps app: NSURL *url = [NSURL ... it point to a specific location/address/search/whatever? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - When should we use "embedded binaries" rather than "Linked Frameworks" in Xcode?

There is a good question about the difference between those two options as described in Link Binary with ... examples to address this more clear? Thanks Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What is N-Tier architecture?

I've seen quite a few developer job postings recently that include a sentence that reads more or less like this ... ? How does one gain experience with it? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - How can I setup & run PhantomJS on Ubuntu?

I set up PhantomJS and recorded it to video: https://www.dailymotion.com/video/xnizmh_1_webcam Build instructions: http ... error. How can I solve this problem? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to access accelerometer/gyroscope data from Javascript?

I have recently come across a few websites that seems to access the accelerometer or gyroscope on my laptop, ... be almost no documentation of these features. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to add shapes on JavaFX LineChart

I am going to add some shapes on LineChart. I put LineChart and AnchorPane into the StackPane. I added ... expect them to be. Expected Result Actual Result Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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excel - VBA rounding problem

I have this obscure rounding problem in VBA. a = 61048.4599674847 b = 154553063.208822 c = a + b debug.print c ... .208822) c = a + b ?c 154614111.6687894847 Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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binary - Which arithmetic operations are the same on unsigned and two's complement signed numbers?

I'm designing a simple toy instruction set and accompanying emulator, and I'm trying to figure out ... three operations (subtraction, multiplication, division)? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Unexpectedly found nil IBOutlet in prepareForSegue

I have a detail view controller, and I would like to set the label text to a value taken from an ... view controller is @IBOutlet weak var label: UILabel! Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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algorithm - Backtracking in A star

Blue-Walls Green highlighted cells = open list Red Highlighted cells = closed list Hello, can anyone tell me how can ... 3,3 and start the search from there? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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400 views

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php - Laravel Eloquent select all rows with max created_at

I have a table that contains: id seller_id amount created_at 1 10 100 2017-06-01 00:00:00 2 15 250 2017-06-01 ... do I get only the latest row for each seller? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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wix - Interrupt installation when custom action returns error

I have a method that verifies a password in a .dll and it should return an error code on failure. It ... <Binary Id='TestPassword' SourceFile='DummyDll.dll'/> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Pygame image transparency confusion

This question already has answers here: Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Getting overlapping regex matches in C#

I have the regex 1(0*)1 and the test string 1000010001 I want to have 2 matches, but I find that only 1 gets ... /regex101.com/r/3J9Qxj/1 What am I doing wrong? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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kotlin - Jooq fetchInto with default value if field is null

I have data class data class Author( val id: String, val name: String, val books: MutableList<Book> = ... making field books in data class Author nullable? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Problems submitting a login form with Jsoup

For some reason this code will not let me into the website when I use the correct login information. The System.out. ... ).log(Level.SEVERE, null, ex); } } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jquery - Why does my logic, using closest, not work?

I'm trying to reference a second element when my first element is clicked, but it is not working. I've tried a ... "lastName" value="" id="lastName"> </div> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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280 views

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Is it possible to cherry-pick a commit from another git repository?

I'm working with a git repository that needs a commit from another git repository that knows nothing of the first. ... is using git-svn on a Subversion branch. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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git - Hard reset of a single file

I currently have three modified files in my working directory. However I want one of them to be reset to the ... file and overwrite it with a fresh HEAD copy? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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288 views

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Multiline editing in Visual Studio Code

Is it possible to enable multiline editing like in Sublime Text? For example, press Ctrl to place additional cursor ... places in the document at one time. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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388 views

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objective c - ARC and bridged cast

With ARC, I can no longer cast CGColorRef to id. I learned that I need to do a bridged cast. According clang ... why I should (or should not) is unclear. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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354 views

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How to update Ruby Version 2.0.0 to the latest version in Mac OSX Yosemite?

I need to update my ruby version from 2.0.0 to the latest version, I can not use some gems because my version ... time ago, How can i update my Ruby version? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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