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What do you call the -> operator in Ruby?
...lent to the following one.
succ = lambda { |x| x + 1 }
succ.call(2)
Informally, I have heard it being called stabby lambda or stabby literal.
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How to count duplicate value in an array in javascript
... "a", "b", "c", "f", "g", "h", "h", "h", "e", "a"];
array_elements.sort();
var current = null;
var cnt = 0;
for (var i = 0; i < array_elements.length; i++) {
if (array_elements[i] != current) {
if (cnt > 0) {
document.write(current...
How can I check if a string represents an int, without using try/except?
...er a string represents an integer (e.g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
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Entity Framework vs LINQ to SQL
...eased (along with VS2008 SP1), we now have access to the .NET entity framework.
17 Answers
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How to define @Value as optional
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What is the correct way to specify that @Value is not required?
Working on the assumption that by 'not required' you mean null then...
You have correctly noted that you can supply a default value to the right of a : character. Your exa...
How to kill all processes matching a name?
Say I want to kill every process containing the word amarok. I can print out the commands I want to execute. But how do I actually make the shell execute them. ie.
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.NET Process.Start default directory?
...off a Java application from inside of a C# .NET console application. It works fine for the case where the Java application doesn't care what the "default" directory is, but fails for a Java application that only searches the current directory for support files.
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how to return index of a sorted list? [duplicate]
I need to sort a list and then return a list with the index of the sorted items in the list. For example, if the list I want to sort is [2,3,1,4,5] , I need [2,0,1,3,4] to be returned.
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iOS application: how to clear notifications?
...tion Center in iOS after then are tapped. How can I remove a notification for my application in the Notification Center next time the application opens?
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What is the difference between class and instance methods?
... *object = [[MyClass alloc] init];
[object anInstanceMethod];
Some real world examples of class methods are the convenience methods on many Foundation classes like NSString's +stringWithFormat: or NSArray's +arrayWithArray:. An instance method would be NSArray's -count method.
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