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How does RewriteBase work in .htaccess
I have seen this in a few .htaccess examples
8 Answers
8
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Passing by reference in C
If C does not support passing a variable by reference, why does this work?
17 Answers
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Length of string in bash
...ALL
LANG=C LC_ALL=C
bytlen=${#myvar}
LANG=$oLang LC_ALL=$oLcAll
printf "%s is %d char len, but %d bytes len.\n" "${myvar}" $chrlen $bytlen
will render:
Généralités is 11 char len, but 14 bytes len.
you could even have a look at stored chars:
myvar='Généralités'
chrlen=${#myvar}
oLang=$LA...
Difference between Hive internal tables and external tables?
...pping the table. I don't understand what you mean by the data and metadata is deleted in internal and only metadata is deleted in external tables.
Can anyone explain me in terms of nodes please.
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What is a good Hash Function?
What is a good Hash function? I saw a lot of hash function and applications in my data structures courses in college, but I mostly got that it's pretty hard to make a good hash function. As a rule of thumb to avoid collisions my professor said that:
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How do I use extern to share variables between source files?
... know that global variables in C sometimes have the extern keyword. What is an extern variable? What is the declaration like? What is its scope?
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Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
... class in .net 4, I have been trying to decide if using them in my design is a bad choice or not. The way I see it, a Tuple can be a shortcut to writing a result class (I am sure there are other uses too).
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What are the possible values of the Hibernate hbm2ddl.auto configuration and what do they do
...bm2ddl.auto
I need to know when to use the update and when not? And what is the alternative?
13 Answers
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Covariance, Invariance and Contravariance explained in plain English?
... about Covariance, Contravariance (and Invariance) in Java. I read the English and German Wikipedia article, and some other blog posts and articles from IBM.
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How do SQL EXISTS statements work?
I'm trying to learn SQL and am having a hard time understanding EXISTS statements. I came across this quote about "exists" and don't understand something:
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