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What is the best open XML parser for C++? [duplicate]
...inyXML if you're concerned about efficiency/memory management (it tends to allocate lots of tiny blocks). My personal favourite is RapidXML.
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Mapping over values in a python dictionary
...e function the way you want (the name chosen in this answer is inspired by PHP's array_walk() function).
Note: Neither the try-except block nor the return statements are mandatory for the functionality, they are there to further mimic the behavior of the PHP's array_walk.
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An efficient way to transpose a file in Bash
... rs -c' ' -C' ' -T < rows.seq > cols.seq gives rs: no memory: Cannot allocate memory. This is a system running FreeBSD 11.0-RELEASE with 32 GB of ram. So, my guess is that rs puts everything in RAM, which is good for speed, but not for large data.
– jrm
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Return all enumerables with yield return at once; without looping through
...rhead if all the client really needs is to enumerate through it, since you allocate the data structures for all elements in advance. Also, if you delegate to another method that's returning a sequence, then capturing it as a collection involves extra copying, and you do not know how many items (and ...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
...
Class arrayClass = NSClassFromString (name);
id anInstance = [[arrayClass alloc] init];
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Multiple arguments to function called by pthread_create()?
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main() has it's own thread and stack variables. either allocate memory for 'args' in the heap or make it global:
struct arg_struct {
int arg1;
int arg2;
}args;
//declares args as global out of main()
Then of course change the references from args->arg1 to args.arg...
How do you use the “WITH” clause in MySQL?
...it in their release branch. Apparently they "showed off" this "feature" at PHPCONFERENCE2010 in London. This comment on that bug report is telling. [7 Oct 2008 19:57] Stuart Friedberg: "Valeriy, you guys must have an unbelieveable backlog. Thirty three months between filing a request and getting a ...
Best way to implement request throttling in ASP.NET MVC?
...sage that will be sent to the client upon throttling. You can include the token {n} to
/// show this.Seconds in the message, e.g. "Wait {n} seconds before trying again".
/// </summary>
public string Message { get; set; }
public override void OnActionExecuting(ActionExecutingC...
What is the difference between a definition and a declaration?
...scope or function scope is a definition both in C and C++. In C because it allocates storage, and in C++ because it does not have the extern specifier or a linkage-specification. These amount to the same thing, which is what sbi says: in both cases this declaration specifies the object to which all ...
How to get a file or blob from an object URL?
...: 'application/json',
'Authorization': 'Bearer ' + <your access token if need>
},
})
.then((response) => response.blob())
.then((blob) => {
// 2. Create blob link to download
const url = window.URL.createObjectURL(new Blob([blob]));
const link = document.createElement...