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Algorithm to randomly generate an aesthetically-pleasing color palette

Closed. This question needs to be more focused. 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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How to upgrade docker container after its image changed

Let's say I have pulled the official mysql:5.6.21 image. I have deployed this image by creating several docker ... What is the proper Docker way of doing this? Question&Answers:os...

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

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911 views

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architecture - Domain Driven Design: Domain Service, Application Service

Can someone explain the difference between domain and application services by providing some examples? And, if a ... ? Some info would be really helpful. Question&Answers:os...

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

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194 views

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ios - Can I use Objective-C blocks as properties?

Is it possible to have blocks as properties using the standard property syntax? Are there any changes for ARC? Question&Answers:os...

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

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cmake - What use is find_package() when you need to specify CMAKE_MODULE_PATH?

I'm trying to get a cross-plattform build system working using CMake. Now the software has a few ... into my project and set the CMAKE_MODULE_PATH relatively? Question&Answers:os...

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

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web services - Postman Chrome: What is the difference between form-data, x-www-form-urlencoded and raw

I am using the Postman Chrome extension for testing a web service. There are three options available for data input. ... , form-data and x-www-form-urlencoded? Question&Answers:os...

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

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android - Difference between onStart() and onResume()

I can't get the meaning of onStart() transition state. The onResume() method is always called after ... because don't understand its meaning completely). Question&Answers:os...

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

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A 'for' loop to iterate over an enum in Java

I have an enum in Java for the cardinal & intermediate directions: public enum Direction { NORTH, NORTHEAST, ... iterates through each of these enum values? Question&Answers:os...

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

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java - Can you explain the HttpURLConnection connection process?

I am using HTTPURLConnection to connect to a web service. I know how to use HTTPURLConnection but I want ... I measure the read overhead and connect overhead? Question&Answers:os...

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

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How to obtain the absolute path of a file via Shell (BASH/ZSH/SH)?

Question: is there a simple sh/bash/zsh/fish/... command to print the absolute path of whichever file I feed it? Usage ... ",sys.argv[0]," PATH." sys.exit(1) Question&Answers:os...

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

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1 answer

How to match, but not capture, part of a regex?

I have a list of strings. Some of them are of the form 123-...456. The variable portion "..." may ... this assertion will be the right one, I think. Question&Answers:os...

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

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string - Standard way to embed version into Python package?

Is there a standard way to associate version string with a Python package in such way that I could do the ... then have __version__.py generated by setup.py. Question&Answers:os...

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

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c# - What does "where T : class, new()" mean?

Can you please explain to me what where T : class, new() means in the following line of code? void Add<T>(T item) where T : class, new(); Question&Answers:os...

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

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314 views

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java - Spring RestTemplate GET with parameters

I have to make a REST call that includes custom headers and query parameters. I set my HttpEntity with just the ... works just fine. Does anyone have any ideas? Question&Answers:os...

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

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big o - What would cause an algorithm to have O(log log n) complexity?

This earlier question addresses some of the factors that might cause an algorithm to have O(log n) complexity. What ... to have time complexity O(log log n)? Question&Answers:os...

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

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267 views

1 answer

c# - How to generate .NET 4.0 classes from xsd?

What are the options to generate .NET 4.0 c# classes (entities) from an xsd file, using Visual Studio 2010? Question&Answers:os...

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

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218 views

1 answer

python - How do I check if a string is unicode or ascii?

What do I have to do in Python to figure out which encoding a string has? Question&Answers:os...

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

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226 views

1 answer

xcode - Reading in a JSON File Using Swift

I'm really struggling with trying to read a JSON file into Swift so I can play around with it. I've ... I will be eternally grateful! Kind Regards, Krivvenz. Question&Answers:os...

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

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339 views

1 answer

c - What is the meaning of "__attribute__((packed, aligned(4))) "

It is C language.It is written that: typedef struct __attribute__((packed, aligned(4))) Ball { float2 delta; ... meaning of it,and how to use this keyword. Question&Answers:os...

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

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329 views

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Is there a way to make git pull automatically update submodules?

Is there a way to automatically have git submodule update (or preferably git submodule update --init called whenever git ... or a git alias to help with this. Question&Answers:os...

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

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100 views

1 answer

How do I create a help overlay like you see in a few Android apps and ICS?

I am wanting to create help overlays like the ones you see when ICS loads for the first time or in apps like ES ... know how this is done or have any ideas? Question&Answers:os...

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

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92 views

1 answer

Understanding :source option of has_one/has_many through of Rails

Please help me in understanding the :source option of has_one/has_many :through association. The Rails API explanation makes ... , unless a :source is given. " Question&Answers:os...

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

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229 views

1 answer

c# - Collection<T> versus List<T> what should you use on your interfaces?

The code looks like below: namespace Test { public interface IMyClass { List<IMyClass> GetList(); } public class ... fix this and what is good practice here? Question&Answers:os...

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

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1.3k views

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where clause - How to make "case-insensitive" query in Postgresql?

Is there any way to write case-insensitive queries in PostgreSQL, E.g. I want that following 3 queries ... SELECT id FROM groups where name='Administrator' Question&Answers:os...

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

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1.2k views

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networking - Maximum packet size for a TCP connection

What is the maximum packet size for a TCP connection or how can I get the maximum packet size? Question&Answers:os...

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

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250 views

1 answer

performance - Append an object to a list in R in amortized constant time, O(1)?

If I have some R list mylist, you can append an item obj to it like so: mylist[[length(mylist)+1]] <- ... Bonus points if it works for both vectors and lists. Question&Answers:os...

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

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1.5k views

1 answer

maven - What is <scope> under <dependency> in pom.xml for?

Looking at documentation http://maven.apache.org/surefire/maven-surefire-plugin/examples/testng.html, we can see <scope> ... how can we use it for running test? Question&Answers:os...

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

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156 views

1 answer

c++ - What is this smiley-with-beard expression: "<:]{%>"?

I came across the following program, which compiles without errors or even warnings: int main(){ <:]{%>; // ... program do, and what is that smiley-expression? Question&Answers:os...

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

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