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Loop through an array of strings in Bash?
...
do
echo "$i"
# or do whatever with individual element of the array
done
# You can access them using echo "${arr[0]}", "${arr[1]}" also
Also works for multi-line array declaration
declare -a arr=("element1"
"element2" "element3"
"element4"
)...
Ternary Operator Similar To ?:
...having a temporary val for a following if-statement: Do it intelligible in one line, just like one have it in mind.
– Peter Schmitz
Feb 9 '11 at 22:48
add a comment
...
How can I link to a specific glibc version?
...ere and is an extension of Sun's symbol versioning scheme described here.
One option is to statically link your binary. This is probably the easiest option.
You could also build your binary in a chroot build environment, or using a glibc-new => glibc-old cross-compiler.
According to the http...
When is assembly faster than C?
One of the stated reasons for knowing assembler is that, on occasion, it can be employed to write code that will be more performant than writing that code in a higher-level language, C in particular. However, I've also heard it stated many times that although that's not entirely false, the cases wh...
Chaining multiple filter() in Django, is this a bug?
...ghtly different.
Examples from the documentation.
model
Blog to Entry is a one-to-many relation.
from django.db import models
class Blog(models.Model):
...
class Entry(models.Model):
blog = models.ForeignKey(Blog)
headline = models.CharField(max_length=255)
pub_date = models.DateFi...
What methods of ‘clearfix’ can I use?
...ght="500"
>
<p>Your content here…</p>
</div>
One downside, using certain combinations of margin and padding on the external element can cause scrollbars to appear but this can be solved by placing the margin and padding on another parent containing element.
Using ‘ov...
Does functional programming replace GoF design patterns?
...in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
...
What is a wrapper class?
... which "wraps" or "encapsulates" the functionality of another class or component. These are useful by providing a level of abstraction from the implementation of the underlying class or component; for example, wrapper classes that wrap COM components can manage the process of invoking the COM compo...
How to make --no-ri --no-rdoc the default for gem install?
..., thus the current answer to only include the gem directive is the correct one.
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What is the “-->” operator in C++?
...rd "then" implies there is an order (after post decrementing, x's value is one less). I think one can say "You're post decrementing x and then comparing its old value and 0 ..." to make it clearer. But this is nitpicking anyway. We all know what is meant.
– Johannes Schaub - li...