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

Stop EditText from gaining focus at Activity startup

Stop EditText from gaining focus at Activity startup

I have an Activity in Android, with two elements:EditText ListViewWhen my Activity starts, the EditText immediately has input focus (flashing cursor). I don't want any control to have input focus at startup. I tried:EditText.setSelected(fal

Are the PUT, DELETE, HEAD, etc methods available in most web browsers?

Are the PUT, DELETE, HEAD, etc methods available in most web browsers?

I've seen a couple questions around here like How to debug RESTful services, which mentions: Unfortunately that same browser won't allow me to test HTTP PUT, DELETE, and to a certain degree even HTTP POST.I've also heard that browsers supp

How to set a value to a file input in HTML?

How to set a value to a file input in HTML?

Note: The answers & comments below reflect the state of legacy browsers in 2009. Now you can actually set the value of the file input element dynamically/programatically using JavaScript and a dataTransfer or FileList object in 2017.

How to convert UTF8 combined Characters into single UTF8 characters in ruby?

How to convert UTF8 combined Characters into single UTF8 characters in ruby?

Some characters such as the Unicode Character 'LATIN SMALL LETTER C WITH CARON' can be encoded as 0xC4 0x8D, but can also be represented with the two code points for 'LATIN SMALL LETTER C' and 'COMBINING CARON', which is 0x63 0xcc 0x8c.More

Will ASP.Net MVC's AntiForgeryToken Method work with Load Balancers?

Will ASP.Net MVC's AntiForgeryToken Method work with Load Balancers?

Using ASP.Net MVC v2.0, I am starting to research the use of the Html.AntiForgeryToken() method when submitting forms that process data. I can see it sets a hidden value in the form HTML and it sets the same value in a session cookie. The q

How do you use JSHint and Browserify together?

How do you use JSHint and Browserify together?

I'm attempting to build a project using Angular and Browserify. My controllers.js file looks like this...'use strict';module.exports.testController = function($scope){ $scope.message = 'Controller 1'; console.log( 'hello' );};As you m

jQuery auto upload file

jQuery auto upload file

I want the file input will automatic upload my image without enter any submit button.Let me know the trick with jQuery 1:You can submit the form on the file input's onchange event, like this:$("input[name=upload]").change(function() {

Java 8 (pre-release) interface member variables

Java 8 (pre-release) interface member variables

Are public members variables in Java 8 interfaces a feature or an implementation side-effect/defect?This question pertains to the pre-release Java 8 build lambda-8-b50-linux-x64-26_jul_2012.tar.gz.Java 8 introduces new features to interface

Change PDF title in browser window

Change PDF title in browser window

I have a pdf file that I am putting on a website for a client. It is located here...http://www.optiphysicaltherapy.com/dev/wp-content/uploads/2014/02/OPTI_NewPatientForms.pdfThe title should be OPTI New Patient Forms but if you look at the

Is it bad practice to use default values in a database? [closed]

Is it bad practice to use default values in a database? [closed]

Shouldn't the code deal with default values instead of the database? 1:Anything you can do in the database is typically more robust. If you handle default values which will be used if no value has been specified only in your app, and som

jquery: submit form after a value is selected from dropdown

jquery: submit form after a value is selected from dropdown

I have this form in my html: anybody knows how to submit it when a value is selected in the 'themes' dropdown ? 1:The other solutions will submit all forms on the page, if there should be any. Better would be:$(function() { $('#the

Cleanest way to get the next sibling in jQuery

Cleanest way to get the next sibling in jQuery

http://jsfiddle.net/mplungjan/H9Raz/After quite some tests with next('a') and such, I finally found one that worked.I just wonder why next('a') did not, or closest or similar. Are there cleaner ways to get at the href of the link after the

System.out.printf vs System.out.format

System.out.printf vs System.out.format

Are System.out.printf and System.out.format totally the same or perhaps they differ in somehow? 1:System.out is a PrintStream, and quoting the javadoc for PrintStream.printf An invocation of this method of the form out.printf(l, forma

Jade - missing space before text for line x of jade file

Jade - missing space before text for line x of jade file

I'm making an Express based web application and everytime someone visits this jade file i get the following error:Warning: missing space before text for line 28 of jade file "C:\x\app\views\login.jade"It also spits it out a few times for ea

How do you override the class name in the form_for helper?

How do you override the class name in the form_for helper?

I need to add some class names to my form. I'm using Rails' form_for helper to do this. I've tried adding { :class => 'classname' } to no avail. How can I add classes to this Rails helper output? 1:Try this:form_for @order, :html => {:cl

dependent dropdown yii2. How to do?

dependent dropdown yii2. How to do?

can I create a dependent dropdown in yii2?I have two tables: 'id','name_country"'id','name_city','country_id'and have two methods in my model:public function getCountryList(){$models = NetCountry::find()->asArray()->all();return ArrayHelper

How do I use X-editable on dynamic fields in a Meteor template now with Blaze?

How do I use X-editable on dynamic fields in a Meteor template now with Blaze?

I had x-editable working in Meteor 0.7.2 but since upgrading to 0.8.0 it no longer renders correctly. I tend to end up with a bunch of Empty tags. This is frustrating because the data is there, just not by the time the rendered function is

using AutoCompleteTextField in wicket without String as the generic type

using AutoCompleteTextField in wicket without String as the generic type

This question follows this: handling to onchange event of AutoCompleteTextField in wicketI'm trying to use the AutoCompleteTextField with a custom class as the generic type, and to add an AjaxFormComponentUpdatingBehavior. What I mean is I

Paginate Django formset

Paginate Django formset

I have a model formset that I want to display 10 forms at a time using Django's Paginator, but it can't be done like paginator = Paginator(formset, 10). What's the correct way to do this, if there is a way? 1:This is a generic example of

C# - Detect face and crop image

C# - Detect face and crop image

I'm writing a HttpHandler in C# which serves resized images and blah blah blah... No troubles, we have millions of handlers to use as reference.The problem is that I have pictures of my users taken with "traditional" sizes, as 4:3 and 16:9.

Embedding a Powerpoint show into a C# application

Embedding a Powerpoint show into a C# application

I want to be able to embed a powerpoint presentation into a C# form (WinForms). Basically we have a 52' monitor, and the idea is that in one corner we will have a PPT on loop, and then the other 3 corners will be displaying information from

PHP Opcode Caching/Zend Acceleration and include_once vs. require_once

PHP Opcode Caching/Zend Acceleration and include_once vs. require_once

I have a colleague who is looking into opcode caching/Zend Acceleration (I've always assumed these are the same thing) for our PHP based application. His Benchmarks appear to indicate that we're NOT seeing a performance benefit if we inclu

jquery validation of textarea integrated with ckeditor

jquery validation of textarea integrated with ckeditor

I have a text-areaThat is integrated with CKEDITORCKEDITOR.replace("event-body")And jquery validate plugin. And the code is like this$('#event').validate({ rules:{ name:{ required: true }, }, messages:{

Rails 4 how to catch ajax:success event

Rails 4 how to catch ajax:success event

I'm on Rails 4.0.I'm sending an event like this (note the :remote=>true): true, :class=>"rate-btn yes-btn btn btn-default btn-sm"} %>My controller looks like this: def rate video = Video.find_by( hashed_id: params[:id]) action = pa