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Futures vs. Promises
...it is separated into these two separate "interfaces" is to hide the "write/set" functionality from the "consumer/reader".
auto promise = std::promise<std::string>();
auto producer = std::thread([&]
{
promise.set_value("Hello World");
});
auto future = promise.get_future();
auto con...
What does f+++++++++ mean in rsync logs?
...--times). An alternate value of T means that the modification time will be set to the transfer time, which happens when a file/symlink/device is updated without --times and when a symlink is changed and the receiver can’t set its time. (Note: when using an rsync 3.0.0 client, you might see the s f...
How to zero pad a sequence of integers in bash so that all have the same width?
...
In your specific case though it's probably easiest to use the -f flag to seq to get it to format the numbers as it outputs the list. For example:
for i in $(seq -f "%05g" 10 15)
do
echo $i
done
will produce the following output:
00...
How to “grep” for a filename instead of the contents of a file?
...has a directory ('/xyz_test_123/other.txt') would also comes to the result set.
cheers
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How to remove old Docker containers
...prune
This will remove all stopped containers and should work on all platforms the same way.
There is also a Docker system prune:
docker system prune
which will clean up all unused containers, networks, images (both dangling and unreferenced), and optionally, volumes, in one command.
For ol...
Unmarshaling nested JSON objects
There are a few questions on the topic but none of them seem to cover my case, thus I'm creating a new one.
8 Answe...
How do you loop through each line in a text file using a windows batch file?
...%%i in (myfile.txt) do call :process %%i %%j %%k
goto thenextstep
:process
set VAR1=%1
set VAR2=%2
set VAR3=%3
COMMANDS TO PROCESS INFORMATION
goto :EOF
What this does:
The "do call :process %%i %%j %%k" at the end of the for command passes the information acquired in the for command from myfile.t...
Are there any worse sorting algorithms than Bogosort (a.k.a Monkey Sort)? [closed]
...y co-workers took me back in time to my University days with a discussion of sorting algorithms this morning. We reminisced about our favorites like StupidSort , and one of us was sure we had seen a sort algorithm that was O(n!) . That got me started looking around for the "worst" sorting algori...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
...知）就是__attribute__机制。__attribute__可以设置函数属性（Function Attribute）、变量属性（Variabl GNU C的一大特色（却不被初学者所知）就是__attribute__机制。__attribute__可以设置函数属性（Function Attribute）、变量属性（Variable Attribu...
How do you get the list of targets in a makefile?
...used rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg
20 Answers
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