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ssh: connect to host github.com port 22: Connection timed out
...swered Oct 15 '18 at 12:41
Mahan_FMahan_F
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How to hash a password
...all for a boolean, this would do: return hash.SequenceEqual(hashBytes.Skip(_saltSize));
– Jesú Castillo
May 4 '17 at 19:17
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UPDATE multiple tables in MySQL using LEFT JOIN
...ble that is liked by a second table.
UPDATE t1
LEFT JOIN
t2
ON
t2.some_id = t1.some_id
LEFT JOIN
t3
ON
t2.t3_id = t3.id
SET
t1.new_column = t3.column;
This would be useful in a case where you had users and groups, and you wanted a user to be able to add their own variation of the group n...
How to create a new java.io.File in memory?
...xt
Files.write(hello, ImmutableList.of("hello world"), StandardCharsets.UTF_8);
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write a shell script to ssh to a remote machine and execute commands
...
This work for me.
Syntax : ssh -i pemfile.pem user_name@ip_address 'command_1 ; command 2; command 3'
#! /bin/bash
echo "########### connecting to server and run commands in sequence ###########"
ssh -i ~/.ssh/ec2_instance.pem ubuntu@ip_address 'touch a.txt; touch b.txt; s...
How to run a Python script in the background even after I logout SSH?
...gs):
if os.fork(): return
func(*args, **kwargs)
os._exit(os.EX_OK)
return wrapper
@daemon
def my_func(count=10):
for i in range(0,count):
print('parent pid: %d' % os.getppid())
time.sleep(1)
my_func(count=10)
#still in parent thread
time.sleep(2)
#after...
How do you uninstall all dependencies listed in package.json (NPM)?
... has your package.json file and run the following:
for package in `ls node_modules`; do npm uninstall $package; done;
In the case of globally-installed packages, switch into your %appdata%/npm folder (if on Windows) and run the same command.
EDIT: This command breaks with npm 3.3.6 (Node 5.0). I...
What are the options for storing hierarchical data in a relational database? [closed]
...st.
+-------------+----------------------+--------+-----+-----+
| category_id | name | parent | lft | rgt |
+-------------+----------------------+--------+-----+-----+
| 1 | ELECTRONICS | NULL | 1 | 20 |
| 2 | TELEVISIONS | 1 | 2 | ...
Why is \r a newline for Vim?
...
From http://vim.wikia.com/wiki/Search_and_replace :
When Searching
...
\n is newline, \r is CR (carriage return = Ctrl-M = ^M)
When Replacing
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\r is newline, \n is a null byte (0x00).
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How to loop through a HashMap in JSP?
... answered Oct 3 '19 at 5:53
tk_tk_
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