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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...此写个简单的批处理脚本启动它吧，如下：
@echo off
SET BXSHARE=C:\Program Files (x86)\Bochs-2.5
if %PROCESSOR_ARCHITECTURE% == x86 (
SET BXSHARE=C:\Program Files\Bochs-2.4.6
)
"%BXSHARE%"\bochsdbg -q -f "pfos.bxrc"
双击脚本，启动debug模式，如下：
B...
How do I execute a command and get the output of the command within C++ using POSIX?
..." << line << '\n';
# if reading stdout stopped at EOF then reset the state:
if (proc.eof() && proc.fail())
proc.clear();
// read child's stderr
while (std::getline(proc.err(), line))
std::cout << "stderr: " << line << '\n';
}
...
Comparing two files in linux terminal
There are two files called "a.txt" and "b.txt" both have a list of words. Now I want to check which words are extra in "a.txt" and are not in "b.txt" .
...
CSV new-line character seen in unquoted field error
the following code worked until today when I imported from a Windows machine and got this error:
9 Answers
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How do I list the functions defined in my shell?
...
Assuming bash shell:
typeset -f
will list the functions.
typeset -F
will list just the function names.
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How to apply a function to two columns of Pandas dataframe
...oc in the example. It might be needed if you adapt this to another problem setting (e.g. working with slices).
– ajrwhite
Feb 17 at 2:05
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Squash my last X commits together using Git
...
The difference between this rebase -i approach and reset --soft is, rebase -iallows me to retain the commit author, while reset --soft allows me to recommit. Sometimes i need to squash commits of pull requests yet maintaining the author information. Sometimes i need to reset s...
Select datatype of the field in postgres
How do I get datatype of specific field from table in postgres ?
For example
I have the following table,
student_details (
stu_id integer,
stu_name varchar(30 ),
joined_date timestamp
);
...
iOS 7 TableView like in Settings App on iPad
I want to have a group UITableView with the style same like the iPad Settings application Detail view for iOS 7 .
15 Ans...
Using node.js as a simple web server
... is just:
$ npm install http-server -g
Now you can run a server via the following commands:
$ cd MyApp
$ http-server
If you're using NPM 5.2.0 or newer, you can use http-server without installing it with npx. This isn't recommended for use in production but is a great way to quickly get a s...