大约有 47,000 项符合查询结果(耗时:0.0547秒) [XML]
What is the purpose of .PHONY in a Makefile?
...y're not associated with files, e.g.:
.PHONY: clean
clean:
rm -rf *.o
Now make clean will run as expected even if you do have a file named clean.
In terms of Make, a phony target is simply a target that is always out-of-date, so whenever you ask make <phony_target>, it will run, independ...
WebSockets protocol vs HTTP
...each client to server message. - what about streaming of response body? i know, XMLHttpRequest API does not allow this, but it is exists. with streaming to the server you can stream from client side.
– 4esn0k
Feb 5 '13 at 16:48
...
Reading binary file and looping over each byte
...
# Do stuff with byte.
byte = f.read(1)
python 3.8
From now on thanks to := operator the above code can be written in a shorter way.
with open("myfile", "rb") as f:
while (byte := f.read(1)):
# Do stuff with byte.
...
How to test code dependent on environment variables using JUnit?
...
I know this question is old, but I wanted to say that this is the correct answer. The accepted answer encourages poor design with a hidden dependency on System, whereas this answer encourages a proper design treating System as j...
Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?
...ype(8), .rest:nth-of-type(9), .rest:nth-of-type(10){
display:none;
}
Now you must be wondering what is the difference between nth-child and nth-of-type so this is the difference
Suppose the html is
<div class="one">...</div>
<div class="two">...</div>
<div class="...
Should I use char** argv or char* argv[]?
... array, but instead it will be a pointer to the respective element type.
Now, if you try to pass an array, what is passed instead is a pointer to the arrays' first element.
Excursion: Functions as parameters
For completion, and because I think this will help you better understand the matter, le...
Build a simple HTTP server in C [closed]
...
Don't read RFC 2616 now, it obsoleted by: RFC 7230, RFC 7231, RFC 7232, RFC 7233, RFC 7234, RFC 7235
– songhir
Jun 10 '14 at 12:53
...
Filter rows which contain a certain string
...
option 1 is to know for sure that dplyr loaded last. option 2 is you prefix dplyr::filter.
– userJT
Mar 1 '16 at 14:30
...
Will docker container auto sync time with the host machine?
...ning your container with -v /etc/localtime:/etc/localtime:ro
Instead, for now, you have to periodically run this on OSX:
/usr/local/bin/boot2docker ssh sudo ntpclient -s -h pool.ntp.org
Update for users of Kitematic
If you are running Kitematic, which is now the suggested mechanism for getting...
Performance of foreach, array_map with lambda and array_map with static function
...
Thanks for the benchmarks. However, I would like to know why there is such difference. Is it because of a function call overhead?
– Pavel S.
Jan 25 '14 at 13:06
...