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What is the purpose of Looper and how to use it?
...ponsible for creating a queue in the thread.
For example, while writing an application that downloads files from the internet, we can use Looper class to put files to be downloaded in the queue.
How it works?
There is prepare() method to prepare the Looper. Then you can use loop() method to create...
UICollectionView inside a UITableViewCell — dynamic height?
One of our application screens requires us to place a UICollectionView inside of a UITableViewCell . This UICollectionView will have a dynamic number of items, resulting in a height which must be calculated dynamically as well. However, I am running into problems trying to calculate the heigh...
Do I need dependency injection in NodeJS, or how to deal with …?
...ome experimental projects with nodejs. I have programmed a lot Java EE web applications with Spring and appreciated the ease of dependency injection there.
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What is the fastest way to compute sin and cos together?
...e twiddling of compiler flags for this to work, but:
$ gcc --version
i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5488)
Copyright (C) 2005 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY o...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
...e ability to add HttpMessageHandlers into the request/response pipeline to apply cross cutting concerns. These could be for logging, auditing, throttling, redirect handling, offline handling, capturing metrics. All sorts of different things. If a new HttpClient is created on each request, then al...
How do I make a textbox that only accepts numbers?
I have a windows forms app with a textbox control that I want to only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more g...
How do I properly clean up Excel interop objects?
I'm using the Excel interop in C# ( ApplicationClass ) and have placed the following code in my finally clause:
41 Answers
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How to delete SQLite database from Android programmatically
...all Database connections before deleting. Else you'll have to restart the application.
– Jay Soyer
Aug 2 '13 at 15:58
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HTML 5 tag vs Flash video. What are the pros and cons?
...ding on arguments about "propietary" plugins will fall quickly. Microsoft, Apple, and Adobe all bear the guilt, but that's just BUSINESS. You won't change business overnight, and each layer of complexity added by a new tag such as <video> which supports a very technical interface will result ...
overlay two images in android to set an imageview
I am trying to overlay two images in my app, but they seem to crash at my canvas.setBitmap() line. What am I doing wrong?
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