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c - How do I gaussian blur an image without using any in-built gaussian functions?

I want to blur my image using the native Gaussian blur formula. I read the Wikipedia article, but I am not ... in functions like what MATLAB has See Question&Answers more detail:os...

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

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Tomcat Server/Client Self-Signed SSL Certificate

I have an Apache Tomcat 6.x server running with a self-signed SSL certificate. I want the client to present ... keytool for many hours now. See Question&Answers more detail:os...

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

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230 views

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php - Checking if array is multidimensional or not?

What is the most efficient way to check if an array is a flat array of primitive values or if it is a ... () on each of its elements? See Question&Answers more detail:os...

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

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369 views

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Can I use `pip` instead of `easy_install` for `python setup.py install` dependency resolution?

python setup.py install will automatically install packages listed in requires=[] using easy_install. How do I get it to use pip instead? See Question&Answers more detail:os...

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

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svn - How to escape @ characters in Subversion managed file names?

For many Subversion operations, appending the '@' symbol to the end of a file or URL argument allows you to target ... as part of the file name? See Question&Answers more detail:os...

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

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visual studio - ASP.NET MVC RequireHttps in Production Only

I want to use the RequireHttpsAttribute to prevent unsecured HTTP requests from being sent to an action method. ... ASP.NET Development Server? 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 - How to detect when facebook's FB.init is complete

The old JS SDK had a function called FB.ensureInit. The new SDK does not seem to have such function... how can I ensure ... (e); }()); </script> See Question&Answers more detail:os...

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

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security - Why do salts make dictionary attacks 'impossible'?

Update: Please note I am not asking what a salt is, what a rainbow table is, what a dictionary attack is, ... on user data are still vulnerable. See Question&Answers more detail:os...

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

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Firebase Storage Video Streaming

I'm working on an app that has video streaming functionality. I'm using firebase database and firebase storage. I'm ... a dead end. Any advice? See Question&Answers more detail:os...

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

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compilation - Compiling and Running Java Code in Sublime Text 2

I am trying to compile and run Java code in Sublime Text 2. Don't just tell me to do it manually in the Command ... Btw, I am on Windows 7... See Question&Answers more detail:os...

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

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android - AndroidViewModel vs ViewModel

With the introduction of the Android Architecture Components library, several new classes were introduced, including ... and vice-versa? See Question&Answers more detail:os...

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

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html - How do I add a Font Awesome icon to input field?

How do I use the search icon included in Font Awesome for input? I have a search feature on my site (based on ... </div> </form> </div> 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++ - What are declarations and declarators and how are their types interpreted by the standard?

How exactly does the standard define that, for example, float (*(*(&e)[10])())[5] declares a ... "? Inspired by discussion with @DanNissenbaum 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++/CLI wrapper for native C++ to use as reference in C#

Title explains. I have native C++ dlls that I'm writing C++/CLI wrappers for, which will in turn will be ... + objects to become visible in C#? See Question&Answers more detail:os...

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

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spring - Where should @Service annotation be kept? Interface or Implementation?

I'm developing an application using Spring. I need to use the @Service annotation. I have ServiceI and ... between these two approaches? See Question&Answers more detail:os...

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

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241 views

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Android Fragments: When to use hide/show or add/remove/replace?

Suppose I wish to replace the current fragment in some container view with another. Is it better to use ... the fragments involved. Thanks! See Question&Answers more detail:os...

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

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231 views

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Why do we actually need Private or Protected inheritance in C++?

In C++, I can't think of a case in which I would like to inherit private/protected from a base class: ... protected Base; Is it really useful? See Question&Answers more detail:os...

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

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android - Start Activity with an animation

I am trying to start an activity with a custom transition animation. The only way I have found out so far to ... no success so far. Any ideas? See Question&Answers more detail:os...

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

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282 views

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php - Why is textarea filled with mysterious white spaces?

I have a simple text area in a form like this: <textarea style="width:350px; height:80px;" cols="42" ... the beginning? What is the explanation? See Question&Answers more detail:os...

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

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311 views

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python - Model summary in pytorch

How do I print the summary of a model in PyTorch like the model.summary() method does in Keras: Model Summary: ... 2,385 Non-trainable params: 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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676 views

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maven - stop IntelliJ IDEA to switch java language level every time the pom is reloaded (or change the default project language level)

Using IntelliJ 12, I have a java project and I use maven with a pom.xml. My project is using java8, but ... the default language level to 8.0? See Question&Answers more detail:os...

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

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186 views

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ios - What does addChildViewController actually do?

I'm just dipping my feet for the first time into iOS development, and one of the first things I've had to do ... do, and why should I call it? See Question&Answers more detail:os...

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

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java - Wrong Manifest.mf in IntelliJ IDEA created .jar

I'm trying to package a project using OptaPlanner 6.0.1 libraries into a .jar through IntelliJ IDEA's jar artifact ... IntelliJ IDEA is v13.0.1. See Question&Answers more detail:os...

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

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461 views

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Renaming column names of a DataFrame in Spark Scala

I am trying to convert all the headers / column names of a DataFrame in Spark-Scala. as of now I come up ... df.columns(i).toLowerCase ); } See Question&Answers more detail:os...

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

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version control - What is the difference between hg forget and hg remove?

I want mercurial to remove several files from the current state of the repository. However, I want the files to exist ... they do what I want? See Question&Answers more detail:os...

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

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243 views

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ios - UIGestureRecognizer on UIImageView

I have a UIImageView, which I want to be able to resize and rotate etc. Can a UIGestureRecognizer be added ... does one add these recognizers? See Question&Answers more detail:os...

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

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503 views

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user interface - Round Specific Corners SwiftUI

I know you can use .cornerRadius() to round all the corners of a swiftUI view but is there a way to round only specific corners such as the top? See Question&Answers more detail:os...

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

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220 views

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android - How to get Toolbar from fragment?

I have ActionBarActivity with NavigationDrawer and use support_v7 Toolbar as ActionBar. In one of my fragments toolbar ... and it works fine. See Question&Answers more detail:os...

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

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