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Does static constexpr variable inside a function make sense?
... objects other than bit-fields occupy at least one byte of memory and have addresses; furthermore all such objects observable in a program at a given moment must have distinct addresses (paragraph 6). This does not quite require the compiler to create a new array on the stack for every invocation of...
Download a file with Android, and showing the progress in a ProgressDialog
...cation that gets updated. For this I need a simple function that can download a file and show the current progress in a ProgressDialog . I know how to do the ProgressDialog , but I'm not sure how to display the current progress and how to download the file in the first place.
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How to avoid using Select in Excel VBA
... that my code would be more re-usable if I were able to use variables instead of Select functions. However, I am not sure how to refer to things (like the ActiveCell etc.) if not using Select .
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C++ unordered_map using a custom class type as the key
..., or as a specialization of std::equal, or – easiest of all – by overloading operator==() for your key type (as you did already).
The difficulty with the hash function is that if your key type consists of several members, you will usually have the hash function calculate hash values for the in...
how to listen to N channels? (dynamic select statement)
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Zac
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answered Nov 15 '13 at 2:37
James HenstridgeJames Henstridge
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How does Access-Control-Allow-Origin header work?
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Access-Control-Allow-Origin is a CORS (Cross-Origin Resource Sharing) header.
When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page is accessible to certain origins. (An origin is a domain...
Is .NET/Mono or Java the better choice for cross-platform development? [closed]
...ay be improvements in the Mono runtime (or ecosystem) that I haven't been made aware of. AFAIK, there is still no support for WPF, WCF, WF, of WIF. Mono can run on iOS, but to my knowledge, the Java runtime still runs on far more platforms than Mono. Also, Mono is starting to see some much improved...
Absolute vs relative URLs
... Daniel VassalloDaniel Vassallo
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Traversing text in Insert mode
... you can immediately retype it. To get back to editing, just press A instead of End, so you don't have to move your hand to reach the End key.
You accidentally typed "mouse" instead of "mice". No problem - the good old Ctrl+w will delete the previous word without leaving insert mode. And it happe...
Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
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inserting a MOV shifts the subsequent instructions to different memory addresses
one of those moved instructions was an important conditional branch
that branch was being incorrectly predicted due to aliasing in the branch prediction table
moving the branch eliminated the alias and allowed the b...