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What's so bad about Template Haskell?
...ond where it will appear; you can have a value of type Exp, but you don't know if it is an expression that represents a [Char] or a (a -> (forall b . b -> c)) or whatever. TH would be more reliable if one could express that a function may only generate expressions of a certain type, or only fu...
nginx upload client_max_body_size issue
...onnection, the client sends data to the closed socket, causing a TCP RST.
If your HTTP client supports it, the best way to handle this is to send an Expect: 100-Continue header. Nginx supports this correctly as of 1.2.7, and will reply with a 413 Request Entity Too Large response rather than 100 C...
Streaming a video file to an html5 video player with Node.js so that the video controls continue to
..."),
path = require("path");
http.createServer(function (req, res) {
if (req.url != "/movie.mp4") {
res.writeHead(200, { "Content-Type": "text/html" });
res.end('<video src="http://localhost:8888/movie.mp4" controls></video>');
} else {
var file = path.resolve(__dirna...
How to change the default charset of a MySQL table?
...
If you want to change the table default character set and all character columns to a new character set, use a statement like this:
ALTER TABLE tbl_name CONVERT TO CHARACTER SET charset_name;
So query will be:
ALTER TAB...
Adding 'serial' to existing column in Postgres
...
If there is a chance that the target table was created by a different user, you'd need to do ALTER TABLE foo OWNER TO current_user; first.
– DKroot
Apr 6 '18 at 14:47
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Getting individual colors from a color map in matplotlib
If you have a Colormap cmap , for example:
4 Answers
4
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Composer: how can I install another dependency without updating old ones?
... keep the others the way they are. So I've edited the composer.json , but if I run composer install , I get the following output:
...
.NET data structures: ArrayList, List, HashTable, Dictionary, SortedList, SortedDictionary — Speed,
...
If at all possible, use generics. This includes:
List instead of ArrayList
Dictionary instead of HashTable
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impr...
How to overload functions in javascript?
...o argument overloading in Javascript:
Variable arguments - You can pass different sets of arguments (in both type and quantity) and the function will behave in a way that matches the arguments passed to it.
Default arguments - You can define a default value for an argument if it is not passed.
Nam...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
...and additions. static_cast performs no runtime checks. This should be used if you know that you refer to an object of a specific type, and thus a check would be unnecessary. Example:
void func(void *data) {
// Conversion from MyClass* -> void* is implicit
MyClass *c = static_cast<MyClass*...