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How can I find the length of a number?
I'm looking to get the length of a number in JavaScript or jQuery?
13 Answers
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How to prevent XSS with HTML/PHP?
...nt to output something to the browser that came from the user input.
The correct way to use this function is something like this:
echo htmlspecialchars($string, ENT_QUOTES, 'UTF-8');
Google Code University also has these very educational videos on Web Security:
How To Break Web Software - A l...
What is the format specifier for unsigned short int?
...:201x - 7.21.6.1-7
Specifies that a following d , i , o , u , x , X , or n conversion
specifier applies to an argument with type pointer to short or
unsigned short.
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]
...erics are relatively new. I keep reading that Java made the wrong decision or that .NET has better implementations etc. etc.
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What is a Context Free Grammar?
... is? After looking at the Wikipedia entry and then the Wikipedia entry on formal grammar, I am left utterly and totally befuddled. Would someone be so kind as to explain what these things are?
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Automatic prune with Git fetch or pull
If someone deleted a remote branch because the work is over and I don't know, I won't do a git fetch --prune and eventually I will push back the deleted branch.
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
...rue - due to string interning, it will be created either once per assembly or once per AppDomain (or possibly once for the whole process - not sure on that front). This difference is negligible - massively, massively insignificant.
Which you find more readable is a different matter, however. It's s...
MongoDB: How to query for records where field is null or not set?
...en:
db.emails.count({sent_at: {$exists: false}})
If its there and null, or not there at all:
db.emails.count({sent_at: null})
Refer here for querying and null
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Check OS version in Swift?
I'm trying to check system information in Swift. I figured out, that it could be achieved by code:
19 Answers
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Difference between CouchDB and Couchbase
...described pretty much everywhere (see The Future of CouchDB by Damien Katz or
Couchbase vs. Apache CouchDB
by Couchbase). Instead, I will try to enumerate features of CouchDB that you will not find in the Couchbase Server.
All of the names relating to CouchDB and Couchbase can be really confusing,...