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String comparison in bash. [[: not found
...
The error is expected when you run the script via sh myscript.sh, because /bin/sh emulates a Bourne shell where [[ is not a builtin. However, running the script via ./script.sh should not yield an error, because in that case the ...
Stopping python using ctrl+c
...ry:
#Some stuff might raise an IO exception
except:
#Code that ignores errors
#This is the right way to do things
try:
#Some stuff might raise an IO exception
except Exception:
#This won't catch KeyboardInterrupt
If you can't change the code (or need to kill the program so that your chang...
When I catch an exception, how do I get the type, file, and line number?
...
import sys, os
try:
raise NotImplementedError("No error")
except Exception as e:
exc_type, exc_obj, exc_tb = sys.exc_info()
fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
print(exc_type, fname, exc_tb.tb_lineno)
...
PostgreSQL database default location on Linux
...untu 14.04 by default.
You can find postgresql.conf and look at param data_directory. If it is commented then database directory is the same as this config file directory.
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How to use Swift @autoclosure
...ue"
If we omit the braces, we are passing in an expression and that's an error:
f(pred: 2 > 1)
// error: '>' produces 'Bool', not the expected contextual result type '() -> Bool'
@autoclosure creates an automatic closure around the expression. So when the caller writes an expression li...
How do you run a Python script as a service in Windows?
...
answered Sep 27 '17 at 14:05
Adriano R P LAdriano R P L
41144 silver badges33 bronze badges
...
Convert string to integer type in Go?
...to int
i, err := strconv.Atoi(s)
if err != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
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...
Case insensitive XPath contains() possible?
...fox and Chrome? I just tried it in the console and they both return syntax error.
– d-b
Jun 8 '19 at 11:51
1
...
How to use git with gnome-keyring integration
... Mac (Git 2.11+)
git config --global credential.helper libsecret
(See "Error when using Git credential helper with gnome-keyring")
Windows:
git config --global credential.helper manager
(See "How to sign out in Git Bash console in Windows?": That is Git for Windows using the latest Microso...
Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
...g the save-in-editor, reload-in-browser cycle back, along with much better error messages.
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