Hot questions

0 votes

671 views

1 answer

javascript - How to launch apps (facebook/twitter/etc) from mobile browser but fall back to hyperlink if the app isn't installed

I am hoping there might be some way of detecting whether or not an uri:scheme is registered on a mobile device ... if the app is not installed. See Question&Answers more detail:os...

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

0 votes

413 views

1 answer

ios - How to get RGB values from UIColor?

I'm creating a color object using the following code. curView.backgroundColor = [[UIColor alloc] initWithHue:229 ... the created color object? See Question&Answers more detail:os...

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

0 votes

413 views

1 answer

python - Installing a pip package from within a Jupyter Notebook not working

When I run !pip install geocoder in Jupyter Notebook I get the same output as running pip install geocoder in ... pip where to install geocoder? See Question&Answers more detail:os...

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

0 votes

1.1k views

1 answer

persistent storage - Android Room - Get the id of new inserted row with auto-generate

This is how I am inserting data into database using Room Persistence Library: Entity: @Entity class User { ... a separate select query? See Question&Answers more detail:os...

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

0 votes

354 views

1 answer

How can a variable-height sticky footer be defined in pure CSS?

The key to note here is the height of the footer is not going to be fixed, but will vary with its content. ... help here, they are fair game. See Question&Answers more detail:os...

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

0 votes

655 views

1 answer

java - Unable to find velocity template resources

Just a simple velocity standalone app based on maven structure. Here is the code snippet written in Scala to ... finished with exit code 1 See Question&Answers more detail:os...

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

0 votes

245 views

1 answer

How do I generate a list of n unique random numbers in Ruby?

This is what I have so far: myArray.map!{ rand(max) } Obviously, however, sometimes the numbers in the list are ... o loop - if at all possible. See Question&Answers more detail:os...

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

0 votes

685 views

1 answer

python - scikit-learn cross validation, negative values with mean squared error

When I use the following code with Data matrix X of size (952,144) and output vector y of size (952), ... values in scores are then negative. See Question&Answers more detail:os...

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

0 votes

588 views

1 answer

performance - JavaScript Objects as Hashes? Is the complexity greater than O(1)?

For some algorithm I was writing recently I thought that a hash would be excellent. I thought that I could ... vs others) what are they? See Question&Answers more detail:os...

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

0 votes

526 views

1 answer

c# - .NET Core 3.0: Razor views don't automatically recompile on change

According to the documentation, Razor views should, by default, recompile on change on local environments ... ().AddRazorRuntimeCompilation(); See Question&Answers more detail:os...

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

0 votes

435 views

1 answer

r - How to randomize (or permute) a dataframe rowwise and columnwise?

I have a dataframe (df1) like this. f1 f2 f3 f4 f5 d1 1 0 1 1 1 d2 1 0 0 1 0 d3 0 ... to my previous question on randomizing two columns. See Question&Answers more detail:os...

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

0 votes

389 views

1 answer

xcode8 - Model is running iOS 10.2 (14C92), which may not be supported by this version of Xcode

I am facing this error, i am done with research on that. I conclude the result, i need one file for device ... ). I need that folder. Thanks. See Question&Answers more detail:os...

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

0 votes

460 views

1 answer

java - Are you supposed to have one repository per table in JPA?

Are you supposed to have one repository per table in JPA? If not, how do you resolve the generics in the ... Store findByGuid(String guid); } See Question&Answers more detail:os...

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

0 votes

455 views

1 answer

c# - CssRewriteUrlTransform with or without virtual directory

We are using MVC Bundling in our site, CssRewriteUrlTransform makes sure that the image urls work from the dynamic ... /foo.png which is wrong See Question&Answers more detail:os...

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

0 votes

145 views

1 answer

How to Unit test with different settings in Django?

Is there any simple mechanism for overriding Django settings for a unit test? I have a manager on one of my ... should the setting not exist. See Question&Answers more detail:os...

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

0 votes

606 views

1 answer

linux - Disable randomization of memory addresses

I'm trying to debug a binary that uses a lot of pointers. Sometimes for seeing output quickly to figure out ... :43 UTC 2011 x86_64 GNU/Linux See Question&Answers more detail:os...

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

0 votes

220 views

1 answer

Linux/Unix man page syntax conventions

In man pages I come across various syntaxes to write Linux/Unix commands, which include square brackets, angular brackets, ... -- [< >...] See Question&Answers more detail:os...

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

0 votes

309 views

1 answer

iphone - Keychain group access to share data between my existing applications

I have many iOS applications live on AppStore. Now for next version of apps, I want to keep a piece of ... Appreciate any help in this regard. See Question&Answers more detail:os...

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

0 votes

286 views

1 answer

c# - How to make Check Box List in ASP.Net MVC

I have a form with a list of checkboxes. A user can select all values, no values, or any in between. ... Controller into a comma separated list? See Question&Answers more detail:os...

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

0 votes

271 views

1 answer

android - App not setup: This app is still in development mode

I have followed the instructions here: The developers of this app have not set up this app properly for Facebook ... on both iOS and Android. See Question&Answers more detail:os...

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

0 votes

419 views

1 answer

ios - Immutable/Mutable Collections in Swift

I was referring to Apple's Swift programming guide for understanding creation of Mutable/ immutable objects(Array, ... forKey:@"Key3"]; See Question&Answers more detail:os...

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

0 votes

694 views

1 answer

http - Valid characters for directory part of a URL (for short links)

Are there any other characters except A-Za-z0-9 that can be used to shorten links without getting into ... URL that browser vendors respect? See Question&Answers more detail:os...

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

0 votes

188 views

1 answer

Android: Adding static header to the top of a ListActivity

Currently I have a class that is extending the ListActivity class. I need to be able to add a few static ... @string/empty" /> </LinearLayout> See Question&Answers more detail:os...

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

0 votes

475 views

1 answer

r - RMarkdown: How to change the font color?

In RMarkdown is there a way to specify the font color? There doesn't seem to be an option while browsing through the chunk options See Question&Answers more detail:os...

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

0 votes

564 views

1 answer

javascript - Bootstrap modal: background jumps to top on toggle

I have a problem, with a modal. I have a button on a page, that toggles the modal. When the modal shows up ... but it has the exact same effect. See Question&Answers more detail:os...

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

0 votes

321 views

1 answer

html - Can you take a "screenshot" of the page using Canvas?

I have a page where we're positioning a bunch of elements using CSS, and changing their "top and left" ... 'm missing something. Any ideas? See Question&Answers more detail:os...

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

0 votes

175 views

1 answer

How to write a Java-enum-like class with multiple data fields in C++?

Coming from a Java background, I find C++'s enums very lame. I wanted to know how to write Java-like ... would be greatly appreciated! Thanks! See Question&Answers more detail:os...

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

0 votes

186 views

1 answer

Python Socket Multiple Clients

So I am working on an iPhone app that requires a socket to handle multiple clients for online gaming. I have ... close() # Close the connection See Question&Answers more detail:os...

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

Categories

Just Browsing Browsing

Most popular tags