I noticed a bug in my program and the reason it is happening is because it seems that pandas is copying by reference a pandas dataframe instead of by value. I know immutable objects will always be passed by reference but pandas dataframe is
I have an array that is initialized like:Element[] array = {new Element(1), new Element(2), new Element(3)};I would like to convert this array into an object of the ArrayList class.ArrayList
Why do some sites (or advertisers that give clients javascript code) employ a technique of splitting the tags up within document.write() calls?I noticed that Amazon does this as well, for example:
I'm trying to get the HTML of a selected object with jQuery. I am aware of the .html() function; the issue is that I need the HTML including the selected object (a table row in this case, where .html() only returns the cells inside the row
I have a simple_form input field that looks like this:When I leave multiple: true off, the form submits the chosen value for the parameter :particular_users and I can see the value when debugging using "raise params.inspect". However when I
I have a script I'm writing that makes a connection to a SOAP service. After the connection is made, I need to pass in a the username/pass with every command I send. The problem I have is that when I use read-host to do this, my password is
This is the move constructor of class X:X::X(X&& rhs) : base1(std::move(rhs)) , base2(std::move(rhs)) , mbr1(std::move(rhs.mbr1)) , mbr2(std::move(rhs.mbr2)){ }These are the things I'm wary about:We're moving from rhs twice and
I have Junit test that is testing jms message sending. I am using Spring jmsTemplate to to do this. Here I as in the following code I want to check whether the JMS template has called send message regardless what is it in the values of actu
I tried to google this, but all I could find was documents on ordinary class declarations.public class DataContextWrapper : IDataContextWrapper where T : DataContext, new(){}I see that the class implements IDataContextWrapper, inherits from
How can i select only the first child of a particular class of a parent with a particular class for the purposes of clone()? SELECT THIS DIV NOT THIS DIV I am trying like this:var form1 = $(this) .parents('.sector_or
var https = require('https');var fs = require('fs');var options = { key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'), cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem')};https.createServer(options, function (req, res) {
I'm using the subprocess.Popen call, and in another question I found out that I had been misunderstanding how Python was generating arguments for the command line. My QuestionIs there a way to find out what the actual command line was? Ex
What is the meaning of Three dot (...) in PHP ?While I am installing Magento 2 in my Sever I got an error. Investigate the code and found that there is a Three dot (...), which is producing the error. I mentioned the code belowreturn new $t
I'm a beginner in jQuery.I want to set the values in an HTML page and I have to get them in another HTML page. Here is the piece of code I am trying now:To set the value in session:$.session.set(userName, $("#uname").val());To get the valu
After over a day of poking around with this problem I will see if I can get some help. This question has been more or less asked before, but it seems no one is giving a full answer so hopefully we can get it now.Using a UILabel and a UIText
My question is simple. How do I get PCM data from the mp3 file?Now I found only ne way to get PCM bytes from the song, I loaded and played mp3 by MediaPlayer and tried listen to the change of waves by Visualizer.OnDataCaptureListener . This
I'm having some trouble with the Spinner widget. Given the following code: ArrayList people= new ArrayList(); Person = null; for(int i = 0; i!= 10; i++) { p = new Person(); s.setID(i); s.setName("Name " + i);
I am trying to understand C++11 rvalue references and how to use them for optimal performance in my code.Let's say we have a class A that has a member pointer to a large amount of dynamically allocated data.Furthermore, a method foo(const A
I realized that these are two different things:Drawing, and getting it on screen.So while you may draw in every single call from CADisplayLink at a rate of 60 FPS, if your drawing operations take slightly longer than 1/60 seconds you end up
The compiler allows me to do the following:procedure MyProc(const ADynData: array of string);orprocedure MyProc(const ADynData: TStringDynArray);and pass arbitrary data like so:MyProc(['Data1', 'Data2']);However, won't allowfunction MyFunc:
I have my line graph, with 2 lines.Data to draw my line graph is pulled from a .csv file.Can anyone explain how I could start off with an empty graph, and when I click a button, my lines animate across the graph?Thanks in advance!! var b
Problem DescriptionI'm trying to detect current selected language of the keyboard. For that purpose I use following code:Code/* Return the handle to a system-level service by name. The class of the returned * object varies by the requested
I know you can pass all a react components props to it's child component like this:const ParentComponent = () => ( Parent Component )But how do you then retrieve those props if the child component is stateless? I know if it is