C# MessageBox dialog result
DialogResult result = MessageBox.Show(“Do you want to save changes?”, “Confirmation”, MessageBoxButtons.YesNoCancel); if(result == DialogResult.Yes) { //… } else if (result == DialogResult.No) { //… } else { //… }
Tarik
MongoDB cannot start server: The default storage engine ‘wiredTiger’ is not available with this build of mongod
Well… There appears to be a version conflict: you are probably running a 32bit version of Mongo. Just do as they say and actually use the other default storage engine: Write the command as follows in your Mongo/bin directory: mongod –storageEngine=mmapv1 –dbpath [your-path] Should solve the problem. I guess you don’t quite mind about using … Read more
What is the top bar height of iPhone X?
The display on iPhone X, however, is 145pt taller than a 4.7″ display, resulting in roughly 20% additional vertical space for content. for more information you get HIG for iphone X from apple documents and detail description in here1 and here2 status bar height previously 20pt, now 44pt Because of the sensors on top of … Read more
What is the difference between .env.local and .env.development.local?
Here’s the priority of the files for the development build and the production build: Dev.: (npm start): .env.development.local, .env.local, .env.development, .env Prod.: (npm run build): .env.production.local, .env.local, .env.production, .env If you ever want to use something in your local environment without being specific to the development build or the production build, you can add some … Read more
How to create classes after creating Core Data model in Xcode for iPhone
You can do this without leaving Xcode at all (see end of answer for Xcode 4 instructions): Open your data model so it’s visible in the editor pane Single click Classes folder in Group & Pane pane Now single click anywhere in the diagram pane. Press ⌘N to bring up this dialog: Finish the wizard … Read more
Can an anonymous method in C# call itself?
You can break it down into two statements and use the magic of captured variables to achieve the recursion effect: myDelegate build = null; build = delegate(Object bj) { var letters= string.Empty; if (someCondition) return build(some_obj); else string.Empty; };
Find the location of my application’s executable in WPF (C# or vb.net)?
System.Reflection.Assembly.GetExecutingAssembly().Location should work.
hashCode in case classes in Scala
As my professor used to say, only the code tells the truth! So just take a look at the code that is generated for: case class A(i: Int, s: String) We can instruct the Scala compiler to show us the generated code after the different phases, here after the typechecker: % scalac -Xprint:typer test.scala [[syntax … Read more
PHP, continue; on foreach(){ foreach(){
Try this, should work: continue 2; From the PHP Manual: Continue accepts an optional numeric argument which tells it how many levels of enclosing loops it should skip to the end of. here in the examples (2nd exactly) described code you need