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intellij idea - Android Studio: Android Manifest doesn't exists or has incorrect root tag

I got this error on Android Studio (AS): How I got it: I created an AS Project from scratch and ... after reading this informative post here. See Question&Answers more detail:os...

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

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copy - Copying a HashMap in Java

I am trying to keep a temporary container of a class that contains member : HashMap<Integer,myObject> ... this make a difference? See Question&Answers more detail:os...

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

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How can I change the textual representation displayed for a type in Swift?

How can I modify the textual output that gets displayed in string interpolation? The Printable protocol looks the ... an instance is displayed? See Question&Answers more detail:os...

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

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macos - How to trace system calls of a program in Mac OS X?

I wanted to trace the system calls made by the find command to debug some performance issues however I could ... file-system related calls. See Question&Answers more detail:os...

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

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c# - WCF gives an unsecured or incorrectly secured fault error

I am trying to consume a remote svc web service. I created the proxy class using svcutil.exe, and ... /system.serviceModel> </configuration> See Question&Answers more detail:os...

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

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.net - Compare String and Object in C#

See this code: object x = "mehdi emrani"; string y = "mehdi emrani"; Console.WriteLine(y == x); that ... the string, my result returns false? See Question&Answers more detail:os...

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

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regex - How to validate email id in angularJs using ng-pattern

Am trying to validate an Email id field in angularJs using ng-pattern directive. But am new to AngularJs. I need to ... submit"> </form> </body> See Question&Answers more detail:os...

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

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javascript - Angular.js: set element height on page load

I'm AngularJS newbie. I want to create grid (using ng-grid) which height depends on window height ie. $('. ... I put code to initalize height? See Question&Answers more detail:os...

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

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Linear Regression with a known fixed intercept in R

I want to calculate a linear regression using the lm() function in R. Additionally I want to get the slope of ... green") Thanls for your help. See Question&Answers more detail:os...

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

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math - Calculating bounding box a certain distance away from a lat/long coordinate in Java

Given a coordinate (lat, long), I am trying to calculate a square bounding box that is a given distance (e.g. ... 4 lines have the same length. See Question&Answers more detail:os...

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

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How to compress/decompress a long query string in PHP?

I doubt if this is encryption but I can't find a better phrase. I need to pass a long query string ... ), but decode/decrypt/decompress-able? See Question&Answers more detail:os...

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

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c# - Get Substring - everything before certain char

I'm trying to figure out the best way to get everything before the - character in a string. Some example ... be 223232, 443, and 34443553 See Question&Answers more detail:os...

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

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Null coalescing in powershell

Is there a null coalescing operator in powershell? I'd like to be able to do these c# commands in powershell: var s ... == null ? "" : otherval; See Question&Answers more detail:os...

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

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c++ - Converting data from glReadPixels() to OpenCV::Mat

I want to get every OpenGL frame from an animation with glReadPixels() and convert the data to OpenCV::Mat. I know ... to top. top to bottom. See Question&Answers more detail:os...

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

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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)

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php - Correct way to set Bearer token with CURL

I get my bearer token from an API end point and set the following: $authorization ... : Bearer 907c762e069589c2cd2a229cdae7b8778caa9f07 See Question&Answers more detail:os...

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

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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)

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python - How to *actually* read CSV data in TensorFlow?

I'm relatively new to the world of TensorFlow, and pretty perplexed by how you'd actually read CSV data ... .request_stop() coord.join(threads) See Question&Answers more detail:os...

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

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How to define different types for the same class in C++

I would like to have several types that share the same implementation but still are of different type in C+ ... same class with different types? See Question&Answers more detail:os...

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

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c++ - Get home directory in Linux

I need a way to get user home directory in C++ program running on Linux. If the same code works on Unix, ... my program is running by root user? See Question&Answers more detail:os...

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

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dart - how to implement dark mode in flutter

I want to create a flutter app that has 2 light and dark mode themes that change by a switch in-app and ... a simple switch in running time? See Question&Answers more detail:os...

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

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ruby - What does to_proc method mean?

I am learning rails and following this thread. I am stuck with the to_proc method. I consider symbols only as ... what it is used for. See Question&Answers more detail:os...

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

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sql - Slow simple update query on PostgreSQL database with 3 million rows

I am trying a simple UPDATE table SET column1 = 0 on a table with ~3 million rows on Postegres 8.4 but ... UPDATE myTable SET generalFreq = 0; See Question&Answers more detail:os...

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

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.net - How to handle all unhandled exceptions when using Task Parallel Library?

I'm using the TPL (Task Parallel Library) in .NET 4.0. I want to centralize the handling logic of all ... you have any solution for this? See Question&Answers more detail:os...

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

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OpenCV: How-to calculate distance between camera and object using image?

I am a newbie in OpenCV. I am working with the following formula to calculate distance: distance to object ( ... any reference to sample code? See Question&Answers more detail:os...

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

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iphone - What is -[NSString sizeWithFont:forWidth:lineBreakMode:] good for?

In my question "How do I get -[NSString sizeWithFont:forWidth:lineBreakMode:] to work?", I learned that -[ ... it? (Examples would help.) See Question&Answers more detail:os...

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

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Meaning of .this and .class in java

Let's say we have a class name Home. What is the difference between Home.this and Home.class? What do they refer to? See Question&Answers more detail:os...

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

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c++ - Similar String algorithm

I'm looking for an algorithm, or at least theory of operation on how you would find similar text in two ... topic of similar string algorithms. See Question&Answers more detail:os...

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

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