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Animate text change in UILabel
... UILabel{
func animation(typing value:String,duration: Double){
let characters = value.map { $0 }
var index = 0
Timer.scheduledTimer(withTimeInterval: duration, repeats: true, block: { [weak self] timer in
if index < value.count {
let char = characters[index]
...
How do I assign an alias to a function name in C++?
...
typedef int (*printf_alias)(const char*, ...);
printf_alias holler = std::printf;
Should do you fine.
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Convert a byte array to integer in Java and vice versa
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Not a solution for 3 byte stride. We can get Char, Short, Int. I suppose I could pad to 4 bytes and discard the 4th each time, but I would rather not.
– John
Jun 13 at 7:31
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is vs typeof
... ~75ms
b = Is<int, int>(s1); // ~136ms
b = GetType1<int, char>(s2); // ~238ms
b = GetType2<int, char>(s2); // ~69ms
b = Is<int, char>(s2); // ~142ms
b = GetType1<int, object>(os1); // ~178ms
b = Is<int, object>(os1); // ~69ms
b = Get...
How to replace strings containing slashes with sed?
... search/replace lines, e.g.:
s:?page=one&:pageone:g
You can use any character as a delimiter that's not part of either string. Or, you could escape it with a backslash:
s/\//foo/
Which would replace / with foo. You'd want to use the escaped backslash in cases where you don't know what char...
Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
...tern ^([^-]+)-([^.]+) means: from the start of the name, capture 1 or more chars that are NOT -, then expect a dash, then capture 1 or more chars that are not .. $1 is the first capture, $2 is the second.
– erich2k8
Apr 18 '19 at 15:53
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How to read a (static) file from inside a Python package?
...lidtk
├── lidtk
│ ├── analysis
│ │ ├── char_distribution.py
│ │ └── create_cm.py
│ ├── classifiers
│ │ ├── char_dist_metric_train_test.py
│ │ ├── char_features.py
│ │ ├── cld2
│...
How can I clear or empty a StringBuilder? [duplicate]
...eap! How can you say that? Suppose you have a buffer with capacity of 1000 chars. Then you dispose of it (work for GC) and create a new one (work for allocator). It's a lot faster just to set the text length to zero (virtually no work for CPU) and reuse the same buffer.
– Sulth...
Named placeholders in string formatting
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Had trouble with the ' char: unexpected char: '''
– AlikElzin-kilaka
Jan 18 '16 at 10:35
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C++ Dynamic Shared Library on Linux
...ostream>
#include "myclass.h"
using namespace std;
int main(int argc, char **argv)
{
/* on Linux, use "./myclass.so" */
void* handle = dlopen("myclass.so", RTLD_LAZY);
MyClass* (*create)();
void (*destroy)(MyClass*);
create = (MyClass* (*)())dlsym(handle, "create_object");
destroy...