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How many bits or bytes are there in a character? [closed]
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It depends what is the character and what encoding it is in:
An ASCII character in 8-bit ASCII encoding is 8 bits (1 byte), though it can fit in 7 bits.
An ISO-8895-1 character in ISO-8859-1 encoding is 8 bits (1 byte).
A Unicode character in UTF-8 encodin...
What is copy-on-write?
I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
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When should I use genetic algorithms as opposed to neural networks? [closed]
...to determine when to use genetic algorithms as opposed to neural networks (and vice-versa) to solve a problem?
8 Answers
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Do login forms need tokens against CSRF attacks?
...ube. YouTube allowed users to see a record of "their own" viewing history, and their login form was CSRF-vulnerable! So as a result, an attacker could set up an account with a password they knew, log the victim into YouTube using that account — stalking what videos the victim was watching.
There'...
How do I check out a remote Git branch?
...is case use
git checkout -b test <name of remote>/test
or the shorthand
git checkout -t <name of remote>/test
With >1 Remotes
Before you can start working locally on a remote branch, you need to fetch it as called out in answers below.
To fetch a branch, you simply need to:
git fetc...
Android device chooser - My device seems offline
I have developed an application and i was planning to deploy it to my HTC Desire.
I have installed USB driver. I turned on USB debugging on the phone and choosed charge only when phone plugged-in. When I run application Android device chooser show my device offline.
I am stuck at this point. Any hel...
SET versus SELECT when assigning variables?
What are the differences between the SET and SELECT statements when assigning variables in T-SQL?
4 Answers
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How do I break out of a loop in Scala?
...> sum+=i)
(warning--this depends on details of how the takeWhile test and the foreach are interleaved during evaluation, and probably shouldn't be used in practice!).
(1b) Use tail recursion instead of a for loop, taking advantage of how easy it is to write a new method in Scala:
var sum = 0
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Remove all the elements that occur in one list from another
Let's say I have two lists, l1 and l2 . I want to perform l1 - l2 , which returns all elements of l1 not in l2 .
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SELECT * FROM X WHERE id IN (…) with Dapper ORM
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Marko, that IS important. And, if you are doing it that way, you might consider finding another way of querying your data, such as doing a join or an anti-join rather than passing a list of ids. The IN clause is not the most highly performing query a...