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Convert NSArray to NSString in Objective-C
...iption message on each item:
NSMutableString * result = [[NSMutableString alloc] init];
for (NSObject * obj in array)
{
[result appendString:[obj description]];
}
NSLog(@"The concatenated string is %@", result);
Another approach would be to do something based on each item's class:
NSMutableS...
Supabase 拓展：App 接入 Supabase 后端服务（Auth + PostgreSQL + Storage...
... 身份认证：邮箱/手机/匿名登录、Magic Link、OTP验证码、Token管理
SupabasePgSQL
PostgreSQL 数据库：增删改查、Upsert、RPC存储函数调用
SupabaseStorage
云存储：上传、下载、签名URL、删除、列目录、移动...
Stack vs heap allocation of structs in Go, and how they relate to garbage collection
...le stack-based programming where automatic variables live on the stack and allocated memory lives on the heap and and Python-style stack-based-programming where the only thing that lives on the stack are references/pointers to objects on the heap.
...
Why are elementwise additions much faster in separate loops than in a combined loop?
...evel of cache bank/way conflicts.
If I've guessed correctly on how you are allocating your arrays, they are likely to be aligned to the page line.
This means that all your accesses in each loop will fall on the same cache way. However, Intel processors have had 8-way L1 cache associativity for a whi...
What killed my process and why?
...
I just wrote a program that malloc'd memory in an inifite loop. After the system got slow, "Killed" was displayed in the terminal and the process was terminated. The file /var/log/kern.log contained a lot of info about the termination. -Thanks for the...
Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL [duplicate]
Receiving the subject error when Chrome tries to load the script file on the page. It says it's at the last line of the javascript file. I can't seem to find anything wrong with it. No errors in firefox, and the script works as expected. Just using form validation
...
How do I call Objective-C code from Swift?
...documentation, this Objective-C:
UITableView *myTableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStyleGrouped];
turns into this Swift code:
let myTableView: UITableView = UITableView(frame: CGRectZero, style: .Grouped)
Xcode also does this translation on the fly — y...
What strategies and tools are useful for finding memory leaks in .NET?
...osive with information when trying to dig through the view it gives you of allocated objects, but everything is there. It's definitely a good starting point, especially as its free.
– Scott Langham
May 31 '09 at 22:51
...
Is there any use for unique_ptr with array?
...
Some people do not have the luxury of using std::vector, even with allocators. Some people need a dynamically sized array, so std::array is out. And some people get their arrays from other code that is known to return an array; and that code isn't going to be rewritten to return a vector or ...
Selecting an element in iFrame jQuery
...another page in an iFrame. All the elements in that loaded page have their tokenid-s. I need to select the elements by those tokenid-s. Means - I click on an element on the main page and select corresponding element in the page in the iFrame. With the help of jQuery I'm doing it in the following way...