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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...
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Expand Python Search Path to Other Source

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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...
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How to elegantly deal with timezones

...ta2011k.tar.gz file on September 25, 2011; in March 2017, you'd get it via https://iana.org/time-zones or from ftp://fpt.iana.org/tz/releases/tzdata2017a.tar.gz). So on sf4answers, after getting the address, it is geocoded into a latitude/longitude combination and then sent to a third-party web ser...
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What is the difference between NTFS Junction Points and Symbolic Links?

...: They act differently over a network. This link describes this behavior: https://superuser.com/questions/343074/directory-junction-vs-directory-symbolic-link If you think of Junction Links as "shortcuts that fool the OS as to location" you'll have a good practical simile of their use and what bre...
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How efficient is locking an unlocked mutex? What is the cost of a mutex?

... it again. The program that I used to investigate this can be found here: https://github.com/CarloWood/ai-statefultask-testsuite/blob/b69b112e2e91d35b56a39f41809d3e3de2f9e4b8/src/mutex_test.cxx Note that it has a few hardcoded values specific for my box (xrange, yrange and rdtsc overhead), so you ...
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Is C++ context-free or context-sensitive?

...possible, and a Type-0 grammar is provided in the answer to this question: https://math.stackexchange.com/questions/163830/context-sensitive-grammar-for-the-copy-language . If one were to attempt to write a context-sensitive (or unrestricted) grammar to parse C++, it would quite possibly fill the u...
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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...
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Passing Parameters JavaFX FXML

...ch is still valid and tested in March 2016, on Spring Boot v1.3.3.RELEASE: https://stackoverflow.com/a/36310391/1281217 Sometimes, you might want to pass results back to the caller, in which case you can check out the answer to the related question: JavaFX FXML Parameter passing from Controller A ...
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What does “S3 methods” mean in R?

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