大约有 9,000 项符合查询结果(耗时:0.0222秒) [XML]
Getting the path of the home directory in C#?
...MEPATH%. Reading environment variables is actually very portable to do (across Unix and Windows), so I'm not sure why the poster wanted to not do it.
Edited to add: For crossplatform (Windows/Unix) C#, I'd read $HOME on Unix and OSX and %HOMEDRIVE%%HOMEPATH% on Windows.
...
Quick and easy file dialog in Python?
...w I'm prompting the user for the file to parse using raw_input which is most unfriendly, especially because the user can't copy/paste the path. I would like a quick and easy way to present a file selection dialog to the user, they can select the file, and then it's loaded to the database. (In my...
How do you stop MySQL on a Mac OS install?
...starting from the MySQL System Preferences panel.
– Ross Henderson
Apr 16 '11 at 1:00
4
In my cas...
淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...,从本质上来讲,这就是广义上的异构“表”之间的JOIN操作。那么,谁来负责这个事情呢?很容易想到,在存储层与前端产品之间增加一个中间层,它负责各个异构“表”之间的数据JOIN和UNION等计算,并且隔离前端产品和后端...
App Inventor 2 数学代码块 · App Inventor 2 中文网
...FF
按位与 (bitwise and)
对两个数字每一位进行 与操作。仅当两个操作数的相应位都为 1 时,结果的每一位才为 1。
例子:
十进制
二进制 (内部展示)
6
0 1 1 0
...
LR性能指标解释 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...况等,需要在JVM参数中进行配置。
6.Nmon。全面监控linux系统资源使用情况,包括CPU、内存、I/O等,可独立于应用监控。
7.Valgrind。监控C/C++程序是否存在内存泄漏,基于linux环境。
8.Vmmap和ApplicationVerifier。监控C/C++程序是否存在...
VBoxManage: error: Failed to create the host-only adapter
... should now be able to run vagrant up or vagrant reload and have your new host configured.
As mentioned in this answer, recent versions of macOS can block VirtualBox.
Solution:
Go to System Preferences > Security & Privacy Then hit the "Allow" button to let Oracle (VirtualBox) load.
...
How to repeat a string a variable number of times in C++?
...
std::string(5, '.')
This is a contrived example of how you might use an ostringstream to repeat a string n times:
#include <sstream>
std::string repeat(int n) {
std::ostringstream os;
for(int i = 0; i < n; i++)
os << "repeat";
return os.str();
}
Depending on...
Can I redirect the stdout in python into some sort of string buffer?
...start
out = sys.stdout.read() # read output
# restore stdout
sys.stdout.close()
sys.stdout = old_stdout
This solution works for Python 2 >= 2.6 and Python 3.
Please note that our new sys.stdout.write() only accepts unicode strings and sys.stdout.buffer.write() only accepts byte strings.
This ...
Why does Android use Java? [closed]
...o Java was known in the industry
the speed difference is not an issue for most applications; if it was you should code in low-level language
share
|
improve this answer
|
fo...
