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Invoke(Delegate)
...ound to a specific thread and are not
thread safe. Therefore, if you are calling a control's method from a
different thread, you must use one of the control's invoke methods to
marshal the call to the proper thread. This property can be used to
determine if you must call an invoke method, wh...
Detect when browser receives file download
I have a page that allows the user to download a dynamically-generated file. It takes a long time to generate, so I'd like to show a "waiting" indicator. The problem is, I can't figure out how to detect when the browser has received the file, so I can hide the indicator.
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Is there an “exists” function for jQuery?
...n.exists example is replacing a property lookup (cheap!) with two function calls, which are much more expensive—and one of those function calls recreates a jQuery object that you already have, which is just silly.
– C Snover
May 30 '10 at 4:14
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How Should I Declare Foreign Key Relationships Using Code First Entity Framework (4.1) in MVC3?
...ships and other constraints using code first EF 4.1 without much luck. Basically I am building the data model in code and using MVC3 to query that model. Everything works via MVC which is great (kudos to Microsoft!) but now I want it NOT to work because I need to have data model constraints.
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How to tell if a tag failed to load
I'm dynamically adding <script> tags to a page's <head> , and I'd like to be able to tell whether the loading failed in some way -- a 404, a script error in the loaded script, whatever.
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type
... 'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6.
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How to debug Google Apps Script (aka where does Logger.log log to?)
...e the Logger.log method to log some data whenever the onEdit function gets called, but this too seems like it only works when run from the Script Editor. When I run it from the Script Editor, I can view the logs by going to View->Logs...
True again, but there is help. Peter Hermann's BetterLog ...
Dialog to pick image from gallery or from camera
Is there a standard way to call dialog box with choose either to pick an image from the camera or to get from gallery (like in build-in phone book or Skype)?
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How to calculate the CPU usage of a process by PID in Linux from C?
I want to programmatically [in C] calculate CPU usage % for a given process ID in Linux.
12 Answers
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In an array of objects, fastest way to find the index of an object whose attributes match a search
...Hi everyone instead of using two methods map, indexOf you can use just one called findIndex....... Ex: [{id:1},{id:2},{id:3},{id:4}].findIndex(function(obj){return obj.id == 3}) OR [{id:1},{id:2},{id:3},{id:4}].findIndex(obj => obj.id == 3)
– Umair Ahmed
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