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href=“tel:” and mobile numbers
...e +49 for Germany's international calling code (for example) giving:
<a href="tel:+496170961709" class="Blondie">
Call me, call me any, anytime
<b>Call me (call me) I'll arrive</b>
When you're ready we can share the wine!
</a>
...
What is the fastest way to compare two sets in Java?
...moveAll(), you'll have to copy the set then use it.
Set one = new HashSet<>(firstSet);
Set two = new HashSet<>(secondSet);
one.removeAll(secondSet);
two.removeAll(firstSet);
If the contents of one and two are both empty, then you know that the two sets were equal. If not, then you've ...
Value cannot be null. Parameter name: source
...onnection string is wrong.
At a guess, you'll need something like this:
<connectionStrings>
<add name="hublisherEntities" connectionString="Data Source=localhost;Initial Catalog=hublisher;Integrated Security=True;" providerName="System.Data.SqlClient" />
</connectionStrings>
...
Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
What is the syntax for setting multiple file-extensions as searchPattern on Directory.GetFiles() ? For example filtering out files with .aspx and .ascx extensions.
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Which method performs better: .Any() vs .Count() > 0?
... starting with something that has a .Length or .Count (such as ICollection<T>, IList<T>, List<T>, etc) - then this will be the fastest option, since it doesn't need to go through the GetEnumerator()/MoveNext()/Dispose() sequence required by Any() to check for a non-empty IEnumerabl...
Algorithm to generate all possible permutations of a list?
... Check it by writing the code and verifying that you get 4! different results.
– WhirlWind
Apr 26 '10 at 2:05
2
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How to Iterate over a Set/HashSet without an Iterator?
...
You can use an enhanced for loop:
Set<String> set = new HashSet<String>();
//populate set
for (String s : set) {
System.out.println(s);
}
Or with Java 8:
set.forEach(System.out::println);
...
Calling parent class __init__ with multiple inheritance, what's the right way?
Say I have a multiple inheritance scenario:
9 Answers
9
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Why is a div with “display: table-cell;” not affected by margin?
...a display:table layout and border-collapse:separate.
For example:
HTML
<div class="table">
<div class="row">
<div class="cell">123</div>
<div class="cell">456</div>
<div class="cell">879</div>
</div>
</div>...
How to get the number of characters in a std::string?
...using a std::string, call length():
std::string str = "hello";
std::cout << str << ":" << str.length();
// Outputs "hello:5"
If you're using a c-string, call strlen().
const char *str = "hello";
std::cout << str << ":" << strlen(str);
// Outputs "hello:5"
Or...