When is the finalize() method called in Java?

When is the finalize() method called in Java?

I need to know when the finalize() method is called in the JVM. I created a test class which writes into a file when the finalize() method is called by overriding it. It is not executed. Can anybody tell me the reason why it is not executin

Does Javascript pass by reference?

Does Javascript pass by reference?

Does Javascript pass by references or pass by values? Here is an example from Javascript: The Good Parts. I am very confused about my parameter for the rectangle function. It is actually undefined, and redefined inside the function. There a

How can I make Bootstrap columns all the same height?

How can I make Bootstrap columns all the same height?

I'm using Bootstrap. How can I make three columns all the same height?Here is a screenshot of the problem. I would like the blue and red columns to be the same height as the yellow column. Here is the code:

Why does std::getline() skip input after a formatted extraction?

Why does std::getline() skip input after a formatted extraction?

I have the following piece of code that prompts the user for their name and state:#include #include int main(){ std::string name; std::string state; if (std::cin >> name && std::getline(std::cin, state)) {

How can I use powershell's read-host function to accept a password for an external service?

How can I use powershell's read-host function to accept a password for an external service?

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

Is qDebug() thread-safe?

Is qDebug() thread-safe?

Is qDebug() thread-safe? By thread-safe I don't just mean not-crashing, but also if I call qDebug() from different threads, is it possible for the output to become mixed-up? I tested it with this code, and it doesn't appear to be so, howeve

What version of Python is on my Mac?

What version of Python is on my Mac?

I have a mac, when I do :python --version I got :Python 2.7.6but when I got to :/System/Library/Frameworks/Python.framework/Versions/3.3where is 2.7.6 located ?any advice what should I do? UPDATE :$ which -a python python3/usr/bin/python/us

Same named function with multiple arguments in PHP

Same named function with multiple arguments in PHP

I started off OOP with Java, and now I'm getting pretty heavy into PHP. Is it possible to create multiples of a function with different arguments like in Java? Or will the interpreted / untyped nature of the language prevent this and cause

get first and last element in array

get first and last element in array

hey there i have this array:array(1) { ["dump"]=> string(38) "["24.0",24.1,24.2,24.3,24.4,24.5,24.6]"}my question:how to get the first and the last element out from this array, so i will have:$firstEle = "24.0";and$lastEle = "24.6";anybod

Best way to “un-promote” files in Accurev?

Best way to “un-promote” files in Accurev?

My company uses Accurev for source control, and for all its benefits, there's one simple action that I just can't figure out how to accomplish.Often we have someone accidentally push a file up too far in our stream structure -- from the "De

jQuery UI dialog - check if exists by instance method

jQuery UI dialog - check if exists by instance method

I'd like to use instance method for testing if jQuery UI Dialog widget has been initialized or not. Regarding to API, this is possible, but it doesn't work for me:Uncaught Error: cannot call methods on dialog prior to initialization; attemp

Understanding MyISAM record structure

Understanding MyISAM record structure

I am trying to understand how MyISAM physically store its records and how it maintains its structure after record insertion and record deletion. I have read the following link:MyISAM Dynamic Data File LayoutMyISAM Record StructureI want to

Asynchronous Audio file upload with iOS

Asynchronous Audio file upload with iOS

is there a way to upload an audiofile to my server asynchronously? I implemented it synchronously using the NSURLConnection class already.Maybe you could also give me a short code example.Thanks, 1:You absolutely have to use ASIHttpReque

Speed of [].forEach.call(…?

Speed of [].forEach.call(…?

I'm a big fan of using the forEach method on nodeLists like this:var nodes = document.querySelectorAll(".foo");[].forEach.call(nodes, function (item) { //do stuff with item});I was wondering though, does doing it that way take longer tha

Problem with qTip - Tips not showing because elements load after the script

Problem with qTip - Tips not showing because elements load after the script

I'm not very experienced with javascript, jQuery or it's plugins but usually I manage. Anyways, my client is building a site and one of its purposes is to pick up news articles from different sites and show the titles in unordered html list

How can I know if a .net event is already handled?

How can I know if a .net event is already handled?

I've written some code to handle an event as follows:AddHandler myObject.myEvent, AddressOf myFunctionIt seemed that everything was working at first, but when I ran the debugger, I discovered that oftentimes, myFunction would run several ti

Is Donut Caching working properly with ASP.NET MVC?

Is Donut Caching working properly with ASP.NET MVC?

And by donut caching, I'm refering to Scott Guthrie's blog post which is awesome.Does anyone know if that works properly? 1:Yes, you can donut cache by following the steps in this blog post. 2:Note that this technique no longer works

iOS Animate Dashed Rectangle Border

iOS Animate Dashed Rectangle Border

I have a UIImageView displaying an image. I want to "highlight" a portion of the image by drawing a rounded rectangle outline. I would like to have the outline drawn with a thick, dashed line that "animates" by continually varying where the

Type 'Headers' has no properties in common with type 'RequestOptionsArgs'?

Type 'Headers' has no properties in common with type 'RequestOptionsArgs'?

I just made two important upgrades to our Angular 4 application and build tools:@angular/core ^4.1.3 => ^4.2.4 (and /http, /forms, etc)tslint ^5.3.2 => ^5.4.3I have a Service which declares options like so:@Injectable()export class WorkOrde

Precompiled Headers in Header Files

Precompiled Headers in Header Files

I ran into precompiled headers today for the first time..forever changing my life. I can't believe compiling my C++ code could be that fast. It makes total sense now..Anyway, one thing that is confusing me is that from what I've read so f

ADO.NET Entity Framework: Decision Making between ORM solutions

ADO.NET Entity Framework: Decision Making between ORM solutions

I am looking for some guideline for my new application while choosing ORM. I want to evaluate EF over NHibernate and LINQ to SQL. I need some expert voice from this wonderful community.You can evaluate on following point.ScalabilityLearning

How to delete the last row of a section?

How to delete the last row of a section?

This problem has kept me busy for the last hours. I have two sections with one row in each section. When I delete the row in one of the sections than it throws an exception saying this is an invalid update (number of rows/sections before an

Can I close statements in a transaction before committing it in Derby (JDBC)?

Can I close statements in a transaction before committing it in Derby (JDBC)?

Basically I have (ignoring exception handling, etc.):connection.setAutoCommit(false);Statement statement1 = connection.createStatement();statement1.executeUpdate("...");statement1.close();Statement statement2 = connection.createStatement();

Xcode error: calling -display has no effect

Xcode error: calling -display has no effect

Whenever I load my SpriteKit app, it logs this error: : calling -display has no effect., and it doesn't properly display many objects. I have tried recreating the scene and removing my code, both of which have done nothing. For a while I th

How to put unprocessed (escaped) words inside String.Format

How to put unprocessed (escaped) words inside String.Format

I am formatting a date:str = String.Format("{0:MMM d m:mm"+yearStr+"}", dt);I want to put the word "at" after the "d", but I don't want the string to format it. I just want the word "at".How can I achieve this? 1:You can surround literal