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Bash if statement with multiple conditions throws an error
...d) and -o (for or) operations.
tldp.org/LDP/Bash-Beginners-Guide/html/sect_07_01.html
Update
Actually you could still use && and || with the -eq operation. So your script would be like this:
my_error_flag=1
my_error_flag_o=1
if [ $my_error_flag -eq 1 ] || [ $my_error_flag_o -eq 2 ] || (...
Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
...lso happen if you have messed up the /home/<username>/.ssh/authorized_keys file on your EC2 instance.
About 2., the information about which username you should use is often lacking from the AMI Image description. But you can find some in AWS EC2 documentation, bullet point 4. :
http://docs....
Getting a Custom Objects properties by string var [duplicate]
...something to work for nested objects and you can use lodash something like _.map([object], _.property(propertyPath))[0]; would work.
– bobwah
Mar 23 '17 at 10:24
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How to convert 'binary string' to normal string in Python3?
For example, I have a string like this(return value of subprocess.check_output ):
3 Answers
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App inventor可以在不开发拓展的情况下实现实时定位与导航吗？ - App应用开...
...个站点，会显示它的站点信息等等试试呗，试过才知道{:8_358:}。有任何新的发现也欢迎分享到社区哦{:8_357:}
How do I break out of a loop in Perl?
...
Also, works the same for while() loops. my @array = ("_", "apple", "orange"); my $thing; while ($thing = shift @array){ last if $thing =~ /[A-Za-z]/; } print($thing); # "apple"
– HoldOffHunger
Jul 17 '18 at 19:06
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Start ssh-agent on login
...ph M. Reagle by way of Daniel Starin:
Add this following to your .bash_profile
SSH_ENV="$HOME/.ssh/agent-environment"
function start_agent {
echo "Initialising new SSH agent..."
/usr/bin/ssh-agent | sed 's/^echo/#echo/' > "${SSH_ENV}"
echo succeeded
chmod 600 "${SSH_ENV}"
...
No Multiline Lambda in Python: Why not?
...n't understood the Rube Goldberg reference, see: en.wikipedia.org/wiki/Rube_Goldberg_Machine
– fjsj
Feb 9 '13 at 22:06
62
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Hidden Features of Java
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JDK 1.6_07+ contains an app called VisualVM (bin/jvisualvm.exe) that is a nice GUI on top of many of the tools. It seems more comprehensive than JConsole.
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CSS Font Border?
...
Here's what I'm using :
.text_with_1px_border
{
text-shadow:
-1px -1px 0px #000,
0px -1px 0px #000,
1px -1px 0px #000,
-1px 0px 0px #000,
1px 0px 0px #000,
-1px 1px 0px #000,
0px 1px 0p...