Methods in ES6 objects: using arrow functions

Methods in ES6 objects: using arrow functions

In ES6, both of these are legal:var chopper = { owner: 'Zed', getOwner: function() { return this.owner; }};and, as shorthand:var chopper = { owner: 'Zed', getOwner() { return this.owner; }}Is it possible to use the new arrow fun

How do I protect Python code?

How do I protect Python code?

I am developing a piece of software in Python that will be distributed to my employer's customers. My employer wants to limit the usage of the software with a time restricted license file.If we distribute the .py files or even .pyc files it

Understanding garbage collection in .NET

Understanding garbage collection in .NET

Consider the below code:public class Class1{ public static int c; ~Class1() { c++; }}public class Class2{ public static void Main() { { var c1=new Class1(); //c1=null; // If this line is

Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes

Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes

What exactly are process and update in PrimeFaces p:commandXxx components and execute and render in f:ajax tag?Which works at the time of validation? What does update attribute do rather than updating value to component from back end? Do pr

What's the difference between JavaScript and Java?

What's the difference between JavaScript and Java?

What's the difference between JavaScript and Java? 1:Java and Javascript are similar like Car and Carpet are similar. 2:One is essentially a toy, designed for writing small pieces of code, and traditionally used and abused by inexperi

What should my Objective-C singleton look like? [closed]

What should my Objective-C singleton look like? [closed]

My singleton accessor method is usually some variant of:static MyClass *gInstance = NULL;+ (MyClass *)instance{ @synchronized(self) { if (gInstance == NULL) gInstance = [[self alloc] init]; } return(gInstance);

Where to place and how to read configuration resource files in servlet based application?

Where to place and how to read configuration resource files in servlet based application?

In my web application I have to send email to set of predefined users like [email protected], so I wish to add that to a .properties file and access it when required. Is this a correct procedure, if so then where should I place this file? I a

What should main() return in C and C++?

What should main() return in C and C++?

What is the correct (most efficient) way to define the main() function in C and C++ — int main() or void main() — and why? If int main() then return 1 or return 0?There are numerous duplicates of this question, including:What are the valid

Empirical data on the effects of immutability?

Empirical data on the effects of immutability?

In class today, my professor was discussing how to structure a class. The course primarily uses Java and I have more Java experience than the teacher (he comes from a C++ background), so I mentioned that in Java one should favor immutabili

Naming convention and structure for utility classes and methods

Naming convention and structure for utility classes and methods

Do you have any input on how to organize and name utility classes?Whenever I run in to some code-duplication, could be just a couple of code lines, I move them to a utility class. After a while, I tend to get a lot of small static classes,

How to load a custom library in Zend Framework 2?

How to load a custom library in Zend Framework 2?

I've been following this guide (http://socialsemanticweb.blogspot.com.au/2012/11/zend-framework-2-create-custom-library.html) but I can't get Zend to see my library (error message below).Any ideas what could be wrong? thanksmy folder struct

Why does PostgreSQL not return null values when the condition is  true

Why does PostgreSQL not return null values when the condition is true

I was confused behind the reasoning of the following:SELECT * FROM table WHERE avalue is nullReturns x number of rows where 'avalue' is nullSELECT * FROM table WHERE avalue trueDoes not return rows where 'avalue' is null. My reasoning (whi

jquery multiple ids same function

jquery multiple ids same function

I have a table that has a date inputI am trying to access it via for the first oneHow do I access everything? 1:You could use the "attribute starts-with" selector:$(function() { $("input[id^='datepicker']").datepicker({ showBut

Create two Automapper maps between the same two object types

Create two Automapper maps between the same two object types

I am using AutoMapper in a WCF service to return User objects. User has properties such as AccountTeams which itself has child objects. All of the classes have AutoMapper maps.Depending on the WCF OperationContract that is called, I want

Inner left-floating div's do not expand the container div vertically

Inner left-floating div's do not expand the container div vertically

I have a container div with the following attributes:#cat_container{margin:0;padding:5px;border:1px solid red;min-height:200px;}Inside there are multiple left floating div's. The problem is that they don't force the containing div to expand

Force break on any exception thrown in program

Force break on any exception thrown in program

When coding in C# I like not to handle exceptions because it makes it easier to figure out where and why things went wrong. However, I can't give anyone a program that doesn't handle exceptions.Can I somehow force Visual Studio to break on

Java SE 8 TemporalAccessor.from issues when used with a java.time.Instant object

Java SE 8 TemporalAccessor.from issues when used with a java.time.Instant object

java.time has an Instant class which encapsulates a position (or 'moment') on the timeline. While I understand that this is a seconds/nanoseconds value so not directly related to time zones or times offsets, its toString returns a date and

Python, how to pass an argument to a function pointer parameter?

Python, how to pass an argument to a function pointer parameter?

I only just started learning Python and found out that I can pass a function as the parameter of another function. Now if I call foo(bar()) it will not pass as a function pointer but the return value of the used function. Calling foo(bar) w

reinterpret_cast cast cost

reinterpret_cast cast cost

My understanding is that C++ reinterpret_cast and C pointer cast is a justa compile-time functionality and that it has no performance cost at all.Is this true? 1:It's a good assumption to start with. However, the optimizer may be restric

Parsing non-zero padded timestamps in Python

Parsing non-zero padded timestamps in Python

I want to get datetimes from timestamps like the following :3/1/2014 9:55 with datetime.strptime, or something equivalent.The month, day of month, and hour is not zero padded, but there doesn't seem to be a formatting directive listed here

Inno Setup WizardImageFile looks bad with font scaling on Windows 7

Inno Setup WizardImageFile looks bad with font scaling on Windows 7

Bitmap for Inno Setup WizardImageFile (and WizardSmallImageFile) looks terrible because when Windows 7 has the large system fonts enabled, the Wizard is bigger than usual, but the images are scaled terrible wrong.Is there a fix?There is no

Zend Framework Select Objects And UNION()

Zend Framework Select Objects And UNION()

I'm pretty sure this is not possible in Zend Framework (I have searched the Web, the documentation and issue tracker) but I just want to make sure so I'm asking here.$select = $this->select();$select->union($select1, $select2);That doesn't

Using Lucene like a relational database

Using Lucene like a relational database

I am just wondering if we could achieve some RDBMS capabilities in lucene.Example:1) I have 10,000 project documents (pdf files) which have to be indexed with their content to make them available for search.2) Every document is related to a

In Tensorflow, what is the difference between a tensor that has a type ending in _ref and a tensor t

In Tensorflow, what is the difference between a tensor that has a type ending in _ref and a tensor t

The docs say: In addition, variants of these types with the _ref suffix are defined for reference-typed tensors.What exactly does this mean? What are reference-typed tensors and how do they differ from standard ones? 1:A reference-type

Removing overly common words (occur in more than 80% of the documents) in R

Removing overly common words (occur in more than 80% of the documents) in R

I am working with the 'tm' package in to create a corpus. I have done most of the preprocessing steps.The remaining thing is to remove overly common words (terms that occur in more than 80% of the documents). Can anybody help me with this?d