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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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534
if [ ! -z "$var" ] && [ -e "$var" ]; then
# something ...
fi
...
Will using goto leak variables?
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edited Oct 8 '18 at 16:04
Cœur
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answered...
Github: Import upstream branch into fork
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edited Jan 26 '18 at 15:43
answered Dec 10 '10 at 15:42
u...
Android customized button; changing text color
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edited Mar 16 '18 at 13:34
ZooMagic
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answered Jan 14 '11 at 15:50
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Do Git tags only apply to the current branch?
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Kalle PokkiKalle Pokki
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add a...
Compare if BigDecimal is greater than zero
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416
It's as simple as:
if (value.compareTo(BigDecimal.ZERO) > 0)
The documentation for compa...
How to create file execute mode permissions in Git on Windows?
...p\TestRepo>git add foo.sh
C:\Temp\TestRepo>git ls-files --stage
100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 foo.sh
As you note, after adding, the mode is 0644 (ie, not executable). However, we can mark it as executable before committing:
C:\Temp\TestRepo>git update-index --...
Stack vs heap allocation of structs in Go, and how they relate to garbage collection
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return chunk, nil
}
type bigStruct struct {
lots [1e6]float64
}
func myFunction3() (bigStruct, error) {
var chunk bigStruct
// ...
return chunk, nil
}
I modified myFunction2 to return the struct rather than the address of the struct. Compare the assembly output of myFu...
On delete cascade with doctrine2
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417
There are two kinds of cascades in Doctrine:
1) ORM level - uses cascade={"remove"} in the as...
Anonymous recursive PHP functions
...ns are objects...
– ellabeauty
Aug 14 '12 at 21:31
25
@ellabeauty in the time $factorial is passe...