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I'm new to type_traits and #2 made sense right away. Everything else was confusing, but I don't know a good way to avoid #4. Maybe you even need #1 sometimes. #1 : enable_if on the return type Wh...
Problem I'm trying to update some projects from old-style .csproj: <?xml version="1.0" encoding="utf-8"?> <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.mi...
It seems like autocompleting usernames does not work. I wanted to answer a comment and started typing @ followed by the first letter in the username, but no suggestion appeared. I tried pressing ta...
echo "Enter Latitude\n"; $handle = fopen("php://stdin", "r"); $lat = deg2rad(trim(fgets($handle))); fclose($handle); echo "Enter Longitude\n"; $handle = fopen("php://stdin", "r"); $long = deg2rad(...
I'm writing a function that counts the number of assignments for a fscanf format string. I studied the documentation in C standard 7.21.6.2 It looks like it works. It passes all test cases I have w...
On the old sites, if you wanted to tag something with [sql] and [mysql] that required two tags. However, because we have hierarchal tags where [mysql] is a child of [sql] you only need to tag it wi...
I have added Swagger UI for an ASP.NET Core 3.1 application and I have realized that all endpoints requiring Windows Authentication fail. This issue is created by the fact that generated HTTP reque...
(Elsewhere...) You look over a post on Code Reviews, and you don't find any problems. Should you post an ‘it's fine’ answer, stay silent, or do something else? Seems to me there's some value in hav...
The hard part is figuring out exactly how your code needs to adapt to changes in the JSON structure. In your example, presumably the rest of your program needs to depend on the names and types in p...
It appears that the tuple syntax works like this: (variable index, order of derivative) Where something like: base = poly(x*y**2 + x, x, y) deriv_mysterious5 = base.diff((0,1)) print('deriv_mysteri...
I assume the built-in definition you're referring to is pmat. That illustrates how to solve your problem near the bottom. The idea is simply if σ is a permutation of length N and A is an array of l...
This is happening because of assumptions made by the software. "E notation" is a standard convention popular with scientists, mathematicians and engineers as a convenient way to represent and proce...
I have some SQL scripts that contain DDL to create tables and schemas for a database. I'd like to be able to comment this SQL and then use those comments to generate output documentation (in HTML)...
There is a new page What type of questions can I ask here? (found under Help -> Guidance.) I'll quote it as whole below, for convenience. Please give feedback on specific items in the list that ...
On-topic questions about SQL programming ... Off-topic questions about database administration I propose that these two are changed to clarify that we allow questions about database design an...
I propose that the following is added: On-topic questions asking for code review that follow [the site policies for the code review category]. Where [the site policies for code reviews] is a li...
In short, NULL is the 0 value, and a null pointer is a pointer variable that points to nothing. some systems allowing a different representation of the null pointer other than zero Years back...
I am working at a proof-of-concept for porting an ASP.NET MVC application to an ASP.NET Core API + Angular SPA. One of the features of the existing application is the ability of an admin (typically...
I can't get a response from IPv4 dig on my server but I can get one from IPv6 dig. See the below output: $ dig +short myip.opendns.com a @resolver1.opendns.com # Doesn't return anything, this used ...
Based on the source code which delegates to this implementation among others, base.diff((x, n)) means to compute the n-th derivative of base with respect to x. Any arguments to diff which aren't tu...
My assumption is that, internally, log4net loads its XML file into some data structure (maybe not a dict, but some equivalent of cfg_dict above) and then passes that structure to whatever code ma...
I work with CentOS operating system and my only shell is Bash. I want to create a script which prompts a user with a question like "What is your web application root?" The user should answer dire...
Consider the following code: public class OnlineShoppingService { @Transactional public void cancelOrder(String id) { if (shipmentRepository.findShipmentForOrder(id) != null) { ...
Your code adds all three elements to the list. You can see this if you add a line inside the while loop: echo "$line" However, if you give the command echo $my_array, it will only show you the...
Some additional advantages of interpreted languages: Interpreted programs are basically scripts run by the interpreter. The interpreter can be embedded into other applications that want to provid...
