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How do I prompt a user for confirmation in bash script? [duplicate]
... [[ "$0" = "$BASH_SOURCE" ]] && exit 1 || return 1 # handle exits from shell or function but don't exit interactive shell
fi
However, as pointed out by Erich, under some circumstances such as a syntax error caused by the script being run in the wrong shell, the negated form could allow the...
Does a favicon have to be 32x32 or 16x16?
... no larger sizes available or the system didn't recognize them). Upscaling from ultra low resolution has a noticeable effect so better stick to 32x32 as the smallest baseline.
For IE, Microsoft recommends 16x16, 32x32 and 48x48 packed in the favicon.ico file.
For iOS, Apple recommends specific file...
How can I configure the font size for the tree item in the package explorer in Eclipse?
...sibilities is here, to which I owe this answer. I'll repeat one suggestion from there for posterity. Create a file named, say, gtkrc-eclipse:
style "eclipse" {
font_name = "Sans Condensed 8"
}
class "GtkWidget" style "eclipse"
Then set a certain environment variable when invoking eclipse:
$ GT...
eval command in Bash and its typical uses
.... in a separate process that inherits all settings such as variable values from the current shell), and gathers its output. So echo $($n) runs $n as a shell command, and displays its output. Since $n evaluates to 1, $($n) attempts to run the command 1, which does not exist.
eval echo \${$n} runs th...
Are there any downsides to passing structs by value in C, rather than passing a pointer?
...ucts (eg point, rect) passing by value is perfectly acceptable. But, apart from speed, there is one other reason why you should be careful passing/returning large structs by value: Stack space.
A lot of C programming is for embedded systems, where memory is at a premium, and stack sizes may be meas...
How to determine whether a given Linux is 32 bit or 64 bit?
... I have a 32 bit kernel on 64 bit hardware and get "x86_64" from 'uname -m' (on Debian). The man page for uname says that -m shows the machine hardware name, so that seems correct.
– Tony Meyer
Sep 4 '09 at 20:33
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How can I tell jackson to ignore a property for which I don't have control over the source code?
...ped/compile-time-analyzed nature of Java well. It's much better to opt out from handling a given set of ignored fields instead.
– Per Lundberg
Jan 13 at 12:31
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How to get RelativeLayout working with merge and include?
... trying for a few days now to make my layouts more efficient by converting from using several levels of nested LinearLayouts to one RelativeLayout and have come across a few problems that I haven not been able to find a workaround for...
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How to lock compiled Java classes to prevent decompilation?
.../private key pair per customer to make sure you actually are getting stuff from the right customer - now you are responsible for the keys...
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How do I syntax check a Bash script without running it?
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For Ubuntu trusty this package must be installed from trusty-backports.
– Peterino
Aug 4 '15 at 21:19
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