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Android ListView headers
....g December 01, 2016) as header.
I used the StickyHeaderListView library
https://github.com/emilsjolander/StickyListHeaders
Convert the date to long in millis [do not include the time] and make it as the header Id.
@Override
public long getHeaderId(int position) {
return <date in millis&g...
Download a file with Android, and showing the progress in a ProgressDialog
...doing something like that in your app, it could be really useful.
2.2 Use https://github.com/koush/ion
3. Use DownloadManager class (GingerBread and newer only)
GingerBread brought a new feature, DownloadManager, which allows you to download files easily and delegate the hard work of handling thr...
@property retain, assign, copy, nonatomic in Objective-C
...
prefer this links about properties in objective-c in iOS...
https://techguy1996.blogspot.com/2020/02/properties-in-objective-c-ios.html
Android Camera Preview Stretched
...
NOTE: MY SOLUTION IS A CONTINUATION OF HESAM'S SOLUTION: https://stackoverflow.com/a/22758359/1718734
What I address: Hesam's said there is a little white space that may appear on some phones, like this:
Hesam suggested a second solution, but that squishes the preview. And on ...
Do sealed classes really offer performance Benefits?
...icularly hot path being called millions of times, or something like that:
https://blogs.msdn.microsoft.com/dotnet/2017/06/29/performance-improvements-in-ryujit-in-net-core-and-net-framework/
Original Answer:
I made the following test program, and then decompiled it using Reflector to see what M...
Android Fatal signal 11 (SIGSEGV) at 0x636f7d89 (code=1). How can it be tracked down?
...al SIGSEGV, but mine (and it was very hard) was entirely related to this:
https://code.google.com/p/android/issues/detail?id=8709
The libcrypto.so in my dump kind of clued me in. I do a MD5 hash of packet data when trying to determine if I've already seen the packet, and skipping it if I had. I th...
Dependency Inject (DI) “friendly” library
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What are copy elision and return value optimization?
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Mutex example / tutorial? [closed]
...
The best threads tutorial I know of is here:
https://computing.llnl.gov/tutorials/pthreads/
I like that it's written about the API, rather than about a particular implementation, and it gives some nice simple examples to help you understand synchronization.
...
Heap vs Binary Search Tree (BST)
...n rebalancing and rotation operations.
See also
Similar question on CS: https://cs.stackexchange.com/questions/27860/whats-the-difference-between-a-binary-search-tree-and-a-binary-heap
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