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jumpserver-华为云免费堡垒机解决方案一、环境CentOS 6.x x86_64 minivi etc hostsvi etc sysconfig networkservice iptables stopchkconfig iptables off关闭SELinu...一、环境
CentOS 6.x x86_64 mini
vi /etc/hosts
vi /etc/sysconfig/network
service iptables stop
chkco...
How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
3
...
foreach vs someList.ForEach(){}
...lException(ExceptionArgument.match);
}
for (int i = 0; i < this._size; i++)
{
action(this._items[i]);
}
}
Similarly, the MoveNext in Enumerator which is what is used by foreach is this:
public bool MoveNext()
{
if (this.version != this.list._version)
{
T...
What does 'COLLATE SQL_Latin1_General_CP1_CI_AS' do?
...how the database server sorts (compares pieces of text). in this case:
SQL_Latin1_General_CP1_CI_AS
breaks up into interesting parts:
latin1 makes the server treat strings using charset latin 1, basically ascii
CP1 stands for Code Page 1252
CI case insensitive comparisons so 'ABC' would equal '...
How to get the current directory in a C program?
...been looking at opendir() and telldir() , but telldir() returns a off_t (long int) , so it really doesn't help me.
6...
Is there a WebSocket client implemented for Python? [closed]
...ient
Sample client code:
#!/usr/bin/python
from websocket import create_connection
ws = create_connection("ws://localhost:8080/websocket")
print "Sending 'Hello, World'..."
ws.send("Hello, World")
print "Sent"
print "Receiving..."
result = ws.recv()
print "Received '%s'" % result
ws.close()
S...
How to access and test an internal (non-exports) function in a node.js module?
...
var app = rewire('../application/application.js');
var logError = app.__get__('logMongoError');
describe('Application module', function() {
it('should output the correct error', function(done) {
logError().should.equal('MongoDB Connection Error. Please make sure that MongoDB is runni...
What exactly does Perl's “bless” do?
...
package Person;
sub new
{
my $class = shift;
my $self = {
_firstName => shift,
_lastName => shift,
_ssn => shift,
};
# Print all the values just for clarification.
print "First Name is $self->{_firstName}\n";
print "Last Name is $se...
Conveniently Declaring Compile-Time Strings in C++
...
I haven't seen anything to match the elegance of Scott Schurr's str_const presented at C++ Now 2012. It does require constexpr though.
Here's how you can use it, and what it can do:
int
main()
{
constexpr str_const my_string = "Hello, world!";
static_assert(my_string.size() == 13,...
How to import a module given the full path?
...
For Python 3.5+ use:
import importlib.util
spec = importlib.util.spec_from_file_location("module.name", "/path/to/file.py")
foo = importlib.util.module_from_spec(spec)
spec.loader.exec_module(foo)
foo.MyClass()
For Python 3.3 and 3.4 use:
from importlib.machinery import SourceFileLoader
fo...