大约有 23,000 项符合查询结果(耗时:0.0532秒) [XML]
Setting environment variables via launchd.conf no longer works in OS X Yosemite/El Capitan/macOS Sie
...
64
[Original answer]: You can still use launchctl setenv variablename value to set a variable so t...
What is the function of the push / pop instructions used on registers in x86 assembly?
... add $8,%rsp # add 8 to the rsp
Note this is x86-64 At&t syntax.
Used as a pair, this lets you save a register on the stack and restore it later. There are other uses, too.
share
|
...
How do I return the response from an asynchronous call?
...tem), various image resizers converters using canvas, populate web SQL databases with base64images and much more... But in these cases you should create a function only for that purpose... sometimes you need a blob, array buffers, you can set headers, override mimetype and there is a lot more...
Bu...
How much does it cost to develop an iPhone application? [closed]
...
64
@Philippe I'm also one of the owners of the business that built the product. Who would have a better view on accurate project costs? And th...
Callback functions in C++
...backs:
The first callback is called if a function value and the gradient based on a vector of input values is required (logic callback: function value determination / gradient derivation).
The second callback is called once for each algorithm step and receives certain information about the converg...
Which is faster: Stack allocation or Heap allocation
...ode with Linux (Linux 3.10.7-gentoo #2 SMP Wed Sep 4 18:58:21 MDT 2013 x86_64), modifying for the HR timer, and using 100 million iterations in each loop yields this performance: stack allocation took 0.15354 seconds, heap allocation took 0.834044 seconds with -O0 set, making Linux heap allocation o...
Standard alternative to GCC's ##__VA_ARGS__ trick?
...nd example, but the first works great. +1.
– kirbyfan64sos
Dec 13 '14 at 20:47
add a comment
|
...
How to return a string value from a Bash function
... On a mac ($ bash --version GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin14) Copyright (C) 2007 Free Software Foundation, Inc.), it is correct that a matching global variable is initialized, but when I try to side-effect the same variable in another function f2, that side-effect is ...
How to make shallow git submodules?
...commendations when the users see failures.
See commit 4f3e57e, commit 10c64a0 (02 Dec 2019) by Jonathan Tan (jhowtan).
(Merged by Junio C Hamano -- gitster -- in commit 5dd1d59, 10 Dec 2019)
submodule--helper: advise on fatal alternate error
Signed-off-by: Jonathan Tan
Acked-by: Jeff ...
Generating an MD5 checksum of a file
...) 0.0219960212708
subprocess.check_output(['cksum', filename]) 0.0553209781647
md5sum_mmap(filename) 0.0286180973053
md5sum_read(filename) 0.0311000347137
subprocess.check_output(['md5sum', filename]) 0.0332629680634
$ time md5sum /tmp/test.data.300k
d3fe3d5d4c2460b5daacc30c6efbc77f /tmp/test.data....