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d3.js - D3 force directed layout with bounding box

I am new to D3 and having trouble setting the bounds for my force directed layout. I have managed to piece together (from ... ; }); }; } }); 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# - Parsing HTML page with HtmlAgilityPack

Using C# I would like to know how to get the Textbox value (i.e: john) from this sample html script : <TD ... > </TD> <TR vAlign=center> 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 - Validate phone number using javascript

I'm trying to validate phone number such as 123-345-3456 and (078)789-8908 using JavaScript. Here is my code ... true. Can any one explain why? 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++ - Boost random number generator

Does anyone have a favorite boost random number generator and can you explain a little on how to implement it ... towards one of the others. See Question&Answers more detail:os...

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

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Scala constructor overload?

How do you provide overloaded constructors in Scala? 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# - Namespace and class with the same name?

I'm organizing a library project and I have a central manager class named Scenegraph and a whole bunch of ... in an unmaintainable mess? 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 force a Solution file (SLN) to be opened in Visual Studio 2013?

Trying to open a VS 2012 solution (SLN file) explicitly in VS 2013 succeeds. Simply double-clicking it in ... opened in Visual Studio 2013? 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 on rails - Devise Secret Key was not set

I am developing a Rails 4 app using the Active Admin gem for the administration back end. Active Admin in ... key in initializers/devise.rb? 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 - Extract upper or lower triangular part of a numpy matrix

I have a matrix A and I want 2 matrices U and L such that U contains the upper triangular elements of A (all elements above ... [-2., -3., 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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query optimization - Difference in MySQL JOIN vs LEFT JOIN

I have this cross-database query... SELECT `DM_Server`.`Jobs`.*, `DM_Server`.servers.Description AS server, ... Is this not the case? 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 - How to bind parameters to a raw DB query in Laravel that's used on a model?

Re, I have the following query: $property = Property::select( DB::raw("title, lat, lng, ( 3959 * acos( ... but prefer to use fluent builder). 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 - Refreshing static content with Spring MVC and Boot

I'm evaluating Spring MVC & Boot and AngularJs for building web applications. I've run into the problem that ... doesn't reload static content. See Question&Answers more detail:os...

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

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ftp - How can I stop Filezilla changing my linebreaks?

I'm downloading a perl CGI file from a Linux web server. It has Unix linebreaks. I edit it on a Windows PC ... command-line FTP works fine too. See Question&Answers more detail:os...

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

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multithreading - Waiting on multiple threads to complete in Java

During the course of my program execution, a number of threads are started. The amount of threads varies depending ... like this exist? 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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android - Camera display / preview in full screen does not maintain aspect ratio - image is skewed, stretched in order to fit on the screen

I have developed a small application for displaying camera preview in full screen. I'm using Camera API ... () method ? : 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 - Accessing dict_keys element by index in Python3

I'm trying to access a dict_key's element by its index: test = {'foo': 'bar', 'hello': 'world'} keys ... not support indexing How can I do 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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Android - How to get application name? (Not package name)

In my manifest I have: <application android:name=".MyApp" android:icon="@drawable/ic_launcher_icon" android: ... access to @string/app_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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c# - How do I list all loaded assemblies?

In .Net, I would like to enumerate all loaded assemblies over all AppDomains. Doing it for my program's AppDomain ... a tool that does 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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PHP combine two associative arrays into one array

$array1 = array("$name1" => "$id1"); $array2 = array("$name2" => "$id2", "$name3" => "$id3"); I need a ... . Also, how would you unit test 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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html - How to add and remove classes in Javascript without jQuery

I'm looking for a fast and secure way to add and remove classes from an html element without jQuery. It also should ... early IE (IE8 and up). See Question&Answers more detail:os...

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

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550 views

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ios - Attempt to insert non-property list object when trying to save a custom object in Swift 3

I have a simple object which conforms to the NSCoding protocol. import Foundation class JobCategory: NSObject, NSCoding ... what's causing 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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ios - iPad remembering camera permissions after delete—how to clear?

I'm trying to recreate the condition where the following code returns AVAuthorizationStatusNotDetermined: AVAuthorizationStatus ... for reading. 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 - Composite Primary key vs additional "ID" column?

If we had a table like this: Books (pretend "ISBN" doesn't exist) Author Title Edition Year of ... an additional unique index/constraint? See Question&Answers more detail:os...

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

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Google maps Marker Label with multiple characters

I am trying to add a 4 character label (eg 'A123') to a Google Maps marker which has a wide icon defined ... .Marker to show my longer label? See Question&Answers more detail:os...

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

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348 views

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java - Parsing JSON Array within JSON Object

I have some JSON with the following structure: {"source":[ {"name":"john","age":20}, {"name":"michael" ... the mistake and how to rectify 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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697 views

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timeout - Terminating idle mysql connections

I see a lot of connections are open and remain idle for a long time, say 5 minutes. Is there ... seconds interactive_timeout=60 wait_timeout=60 See Question&Answers more detail:os...

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

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1.8k views

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kubernetes - Helm install in certain order

I am trying to create a Helm Chart with the following resources: Secret ConfigMap Service Job Deployment These are ... depend on the first. 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 I can select rows from a dataframe that do not match?

I'm trying to identify the values in a data frame that do not match, but can't figure out how to do ... don't understand what function to use. See Question&Answers more detail:os...

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

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