.NET: Best way to execute a lambda on UI thread after a delay?

.NET: Best way to execute a lambda on UI thread after a delay?

I had a situation come up that required running a lambda expression on the UI thread after a delay. I thought of several ways to do this and finally settled on this approachTask.Factory.StartNew(() => Thread.Sleep(1000)) .ContinueWith((t

Black area on UIWebView during load

Black area on UIWebView during load

I noticed that my UITabBar gets a dark-gray color when I preform loadRequest in my UIWebView.If I scroll my WebView during loadRequest there is a black area How can I remove this? 1:I've had this problem before, and it's related to the

Creating LinearLayout Programmatically/Dynamically with Multiple Views

Creating LinearLayout Programmatically/Dynamically with Multiple Views

I have a hierarchy that is like this:LinearLayout(horizontal)ImageViewLinearLayout(vertical)TextViewTextViewTextViewTextViewI want to be able to add the hierarchy above through iteration as long as there is data that could be obtained from

JavaFX 8 - Zooming Relative to Mouse Pointer

JavaFX 8 - Zooming Relative to Mouse Pointer

I have been trying to use this example to learn about zooming and scaling. It does a great job of demonstrating scaling. I've been trying to figure out how to change it so that rather than simply zooming on the current center of the view, i

how to remove a single marker from google map

how to remove a single marker from google map

I am working on google maps i am trying to add markers to a google map and then tried to remove it but now as i have done both adding and removing with the code below MapsApi #map_canvas { width: 100%; height: 500p

How to improve the speed of InnoDB writes per second of MySQL DB

How to improve the speed of InnoDB writes per second of MySQL DB

On my server, doing insert records into MySQL DB is very slow. Regarding the Server Status, InnoDB writes per second is around 20.I am not an expert, just graduated from university. I don't have much experience on it.How could I improve the

Calculate initial velocity to move a set distance with inertia

Calculate initial velocity to move a set distance with inertia

I want to move something a set distance. However in my system there is inertia/drag/negative accelaration. I'm using a simple calculation like this for it:v = oldV + ((targetV - oldV) * inertia)Applying that over a number of frames makes th

JSP page is cached, can not change it, tomcat

JSP page is cached, can not change it, tomcat

I have a java server, when I change something within the JSP code, and I call the page again from the browser, my changes are not shown, the server returns the old JSP.Any one has idea why? 1:The Jasper How-to tells that in conf/web.xml,

Threads inside a foreach loop in c#

Threads inside a foreach loop in c#

Hai guys,I had the following code to send different mails to differnt users in my asp.net web applicationforeach (DataRow dataRow in dataTable.Rows) { sendMails();}public void sendMails(){ //mail code}Now i want to use threads inside fore

How to remove Glow of Button on Mouse hover in WPF

How to remove Glow of Button on Mouse hover in WPF

I am using a simple button in WPF.I have put an image for the button on background.My problem is, when i move mouse pointer to button it get a default glow and override the image given as background.

Background and foreground in OpencV

Background and foreground in OpencV

i'm working on a project using OpenCV243, I need to get the foreground during a stream, my Problem is that I use the cv::absdiff to get it doesn't really help, here is my code and the result .#include #include#include#include#include int

Android: How to initialize MediaRecorder without a valid surface for video preview?

Android: How to initialize MediaRecorder without a valid surface for video preview?

I am building a camera app, where videos are continuously being captured and saved to the SD card. The videos are short (few minutes), and their length are preset with setMaxDuration().The whole process works fine, while the main activity i

Customized select dropdown arrow not clickable

Customized select dropdown arrow not clickable

I'm using the following code to customize my select dropdown arrow:HTML: ... CSS:span.selectWrapper { position: relative; display: inline-block; width:65px;}span.selectWrapper select { display: inline-block;

How to protect background service/alarms to be kill in newly launched devices in customized OS like

How to protect background service/alarms to be kill in newly launched devices in customized OS like

I have a WakefulBroadcastReceiver with IntentService, every half hour alarm called and doing some stuff.I have already handle doze mode with setExactAndAllowWhileIdle() method.Some new smart phones with customized os recently launched in ma

Displaying an element outside overflow hidden container

Displaying an element outside overflow hidden container

I have a which is made scrollable by wrapping it in a of fixed height.This has a dropdown component (blue container in 2nd column of 1st row in the image and jsfiddle given below) which is hiding behind the container . I want it to displ

How to make text wrap above and below a div?

How to make text wrap above and below a div?

I have no problem getting text to wrap around a div when tops of the elements are aligned, but I can't figure out how to have the text wrap above and below the div. For example I want the text to be the full width of #container for 40px, t

How do I offset where my fixed nav bar takes me?

How do I offset where my fixed nav bar takes me?

I have a fixed navigation bar on my website that stays at the top with links that take me to different sections further down the page. However, because my fixed nav bar has a height of 40px, the beginning 40px of every section is covered u

Could not autowire. No beans of SimpMessagingTemplate type found

Could not autowire. No beans of SimpMessagingTemplate type found

I am configuring Websockets in Spring basically by following the guide provided in the documentation.I am currently trying to send a message from the server to the client as explained in the section "Sending messages from anywhere" Followi

How to remove the blue box shadow border in button if clicked

How to remove the blue box shadow border in button if clicked

I want to do is remove the button blue box shadow effect in my class btnd if the button is click. current output: i tried this but it doesnt work..btnd:active,.btnd.active { background-image: none; outline: 0; -webkit-box-shadow: none;

How is padding-top as a percentage related to the parent's width?

How is padding-top as a percentage related to the parent's width?

Here is an example:http://jsfiddle.net/QZAd8/1/Notice how all of the red divs are the same height and have padding-top:100%;, yet they A & B have different padding sizes... and it appears that the width of the parent changes this value (not

X close button only using css

X close button only using css

How to make a cross (X) only in css3, to use as a close button ?I've been searching since long time, i cannot found how....When i look at source code on website using it, there's always something weird which make the code i take unusable.Th

Mac Quick Look Preview in an NSView or NSImage?

Mac Quick Look Preview in an NSView or NSImage?

I am looking for a way (public or otherwise) to get an NSView, NSImage, CGImageRef, etc that shows the QuickLook preview for a file. Essentially the equivalent of QLThumbnailImageCreate() but for the preview.The public APIs I can find do n

How to change the css of color of select2 tags?

How to change the css of color of select2 tags?

I just started using project for showing multiple tags from a select box and it works great, thanks for the library.I just need to modify the color or css of the tags shown in multi-value select-boxes. Right now the color of the tag is show

Open a second winform asynchronously but still behave as a child to the parent form?

Open a second winform asynchronously but still behave as a child to the parent form?

I am creating an application and I would like to implement a progress window that appears when a lengthy process is taking place.I've created a standard windows form project to which I've created my app using the default form. I've also cre

How to find out if an element overflows (with jQuery)?

How to find out if an element overflows (with jQuery)?

The layout looks like this:Basically all I want is to find out if the ELEMENT went outside the PAGE :)All I know is the page width, which is fixed @ 900 px... 1:Calculate the element's width, then get its left, finally subtract it to the