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Automatic exit from bash shell script on error [duplicate]
I've been writing some shell script and I would find it useful if there was the ability to halt the execution of said shell script if any of the commands failed. See below for an example:
...
how to convert java string to Date object [duplicate]
...at to a date object. If you print it out at that point, you will get the standard date formatting output. In order to format it after that, you then need to convert it back to a date object with a specified format (already specified previously)
String startDateString = "06/27/2007";
DateFormat df =...
How to find the type of an object in Go?
... following snippet will print out the reflection type of a string, integer and float.
package main
import (
"fmt"
"reflect"
)
func main() {
tst := "string"
tst2 := 10
tst3 := 1.2
fmt.Println(reflect.TypeOf(tst))
fmt.Println(reflect.TypeOf(tst2))
fmt.Println(refle...
How to determine the screen width in terms of dp or dip at runtime in Android?
I need to code the layout of the android widgets using dip/dp (in java files). At runtime if I code,
int pixel=this.getWindowManager().getDefaultDisplay().getWidth() ;
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How can I generate a list of files with their absolute path in Linux?
...he current directory:
find "$(pwd)" -name .htaccess
or if your shell expands $PWD to the current directory:
find "$PWD" -name .htaccess
find simply prepends the path it was given to a relative path to the file from that path.
Greg Hewgill also suggested using pwd -P if you want to resolve sy...
Git undo changes in some files [duplicate]
...to the index or committed them, then you just want to use the checkout command - this will change the state of the working copy to match the repository:
git checkout A
If you added it to the index already, use reset:
git reset A
If you had committed it, then you use the revert command:
# the ...
String formatting: % vs. .format vs. string literal
... slightly different syntax from the existing % operator. Which is better and for what situations?
16 Answers
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How do I get ruby to print a full backtrace instead of a truncated one?
... Ah, I found out about that shortly after posting this answer and forgot to update it. Thanks
– anonymous coward
Jan 24 '12 at 10:53
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How do I escape ampersands in XML so they are rendered as entities in HTML?
...ML text that I wish to render in an HTML page. This text contains an ampersand, which I want to render in its entity representation: & .
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How can I remove the decimal part from JavaScript number?
I have the results of a division and I wish to discard the decimal portion of the resultant number.
14 Answers
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