Automating the InvokeRequired code pattern

Automating the InvokeRequired code pattern

I have become painfully aware of just how often one needs to write the following code pattern in event-driven GUI code, whereprivate void DoGUISwitch() { // cruisin for a bruisin' through exception city object1.Visible = true; obje

What is the difference between new/delete and malloc/free?

What is the difference between new/delete and malloc/free?

What is the difference between new/delete and malloc/free?Related (duplicate?): In what cases do I use malloc vs new? 1:new/deleteAllocate/release memoryMemory allocated from 'Free Store'Returns a fully typed pointer.new (standard versio

Why is “import *” bad?

Why is “import *” bad?

It is recommended to not to use import * in Python. Can anyone please share the reason for that, so that I can avoid it doing next time? 1:Because it puts a lot of stuff into your namespace (might shadow some other object from previous i

Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?

Why do people write the #!/usr/bin/env python shebang on the first line of a Python script?

It seems to me like the files run the same without that line. 1:If you have several versions of Python installed, /usr/bin/env will ensure the interpreter used is the first one on your environment's $PATH. The alternative would be to har

Why does Date.parse give incorrect results?

Why does Date.parse give incorrect results?

Case One:new Date(Date.parse("Jul 8, 2005"));Output:Fri Jul 08 2005 00:00:00 GMT-0700 (PST)Case Two:new Date(Date.parse("2005-07-08"));Output:Thu Jul 07 2005 17:00:00 GMT-0700 (PST)Why is the second parse incorrect? 1:Until the 5th editi

What are the benefits/consequences of compiling an armv7 only architecture?

What are the benefits/consequences of compiling an armv7 only architecture?

In compiling iPhone apps, there is a setting for "Optimized" architecture (armv7 only) vs a standard armv6/armv7 architecture.What are the benefits/consequences of compiling an armv7 only architecture? 1:A smaller executable is a faster

Problems filtering django datetime field by month and day

Problems filtering django datetime field by month and day

Can someone explain to me why the following filters are not working at the month and day level? Filtering by year seems to work, but not the other two.>>> clicks.count()36>>> date = clicks[0].created>>> date.month2>>> date.year2014>>> date

“Path too long” when publishing asp.net 5 from Visual Studio 2015

“Path too long” when publishing asp.net 5 from Visual Studio 2015

This seems to be a common problem and I found several Stack Overflow questions, but they all seem to pertain to MSBuild.I'm trying to publish by right-clicking on my asp.net 5 rc1 project in Visual Studio and invoking a file system-based pu

Google static map API getting 403 forbidden when loading from img tag

Google static map API getting 403 forbidden when loading from img tag

What I have is a Google map that shows the location of a property but when I come to print the dynamic maps dont print so good so I decided to implement the Google Static Map image API.http://lpoc.co.uk/properties-for-sale/property/oldgate-

How do I manage git submodule subprojects in Eclipse?

How do I manage git submodule subprojects in Eclipse?

(In case it matters, these are Java Android projects)Project A is a library project.Project B depends on A. For ease of project management across the board for other people instead of just me, A is contained within B via a git submodule.Thi

Exhaustive condition of switch case in Swift

Exhaustive condition of switch case in Swift

The Apple documentation says Every switch statement must be exhaustive. That is, every possible value of the type being considered must be matched by one of the switch cases.So in new Xcode I have placed a code like thisprintln(UInt16.mi

What does “where” mean in a C# class declaration?

What does “where” mean in a C# class declaration?

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

Why `float` function is slower than multiplying by 1.0?

Why `float` function is slower than multiplying by 1.0?

I understand that this could be argued as a non-issue, but I write software for HPC environments, so this 3.5x speed increase actually makes a difference.In [1]: %timeit 10 / float(98765) 1000000 loops, best of 3: 313 ns per loop

Avoid calling BeginInvoke() from ViewModel objects in multi-threaded c# MVVM application

Avoid calling BeginInvoke() from ViewModel objects in multi-threaded c# MVVM application

My C# application has a data provider component that updates asynchronously in its own thread. The ViewModel classes all inherit from a base class that implements INotifyPropertyChanged. In order for the asynchronous data provider to upda

Isotope: combination filtering + multiple selection

Isotope: combination filtering + multiple selection

To all jQuery heros out there, I need help! (again) I found similar questions to mine on the internet but there were no answers so far :-/I want to filter a bunch of items with jquery isotope. I adapted the combination filter example from t

Search Apple App store by genre with iOS/Obj-c

Search Apple App store by genre with iOS/Obj-c

How would you use Obj-c to search the Apple App store to do the following...Return the details of the top 100 in the games overall category or aspecific games categoryReturn the details of a specific games in the games categoryAnyone? 1:

I am trying to send text- messages on WhatsApp with javascript?

I am trying to send text- messages on WhatsApp with javascript?

I am trying to send text messages on whatsapp web version on chrome.(www.web.whatsapp.com)This is the code:document.getElementsByClassName("input")[1].innerHTML="This message was written via JS script! ";var input = document.getElementsByCl

uEye camera with python on Windows

uEye camera with python on Windows

I need to get a uEye camera working with python on Windows in order to take pictures and operate on the live stream.Since uEye cameras are widely spread industrial cameras I would have thought that there is a standard solution to this; howe

Auth::user() doesn't travel across subdomains? - Laravel 5.2

Auth::user() doesn't travel across subdomains? - Laravel 5.2

I have a subdomain in my site, for example:http://example.cahttp://blog.example.caThe blog one is only accessible to people who have the url, that is, its not public or common knowledge. I have a bunch of routes related to this domain that

Can I include modules “sideways” in Rust?

Can I include modules “sideways” in Rust?

I want to split a Rust program into multiple files, but the use of mod doesn't see to allow me to reference files in the same directory from files other than main.rs.For example, if I have main.rs, game.rs, and matrix.rs in the same folder,

Store the day of the week and time?

Store the day of the week and time?

I have a two-part question about storing days of the week and time in a database. I'm using Rails 4.0, Ruby 2.0.0, and Postgres.I have certain events, and those events have a schedule. For the event "Skydiving", for example, I might have Tu

Create animated gif using the GD library

Create animated gif using the GD library

If I've got a bunch of image resources that I made using the GD library in php, or otherwise a bunch of frames, how can I combine these into an animated gif? I've got an array of images and a frames per second I'd like to add..I can't use I

Installing a remote Tomcat server in Eclipse

Installing a remote Tomcat server in Eclipse

I want to deploy and debug a local web application using a remote instance of Eclipse. I went through the normal "Create a server" wizard and specified my hostname as show below:However, the next step requires I specify a local tomcat direc

Composer: how to install `dev` packages in Symfony 2.3?

Composer: how to install `dev` packages in Symfony 2.3?

Trying to install the KnpGaufretteBundle in a Symfony 2.3 project, I'm having no luck. The problem is:minimum-stability:stable (in composer.json);the bundle I require is dev-master version still.Reading this in the Symfony docs was frustrat

How do I declare an array without initializing a constant? [duplicate]

How do I declare an array without initializing a constant? [duplicate]

This question already has an answer here: How to create an array when the size is a variable not a constant? 6 answers I tried to use this version:int