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What is this 'Lambda' everyone keeps speaking of?
...nctions without a name
Simply put, a lambda is a function without a name, or an anonymous function. A small piece of executable code, that can be passed around as if it were a variable. In JavaScript:
function () {}; // very simple
Let's see now some uses for these lambdas.
Abstracting boilerp...
How to Debug Variables in Smarty like in PHP var_dump()
...ere I assigned them. I need to know what is inside a particular variable; for instance, say I have a variable in smarty called member . I tried with {debug} but it didn't work, and no popup was shown.
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Constructors vs Factory Methods [closed]
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From page 108 of Design Patterns: Elements of Reusable Object-Oriented Software by Gamma, Helm, Johnson, and Vlissides.
Use the Factory Method pattern when
a class can't anticipate the class of objects it must create
a class wants its subclasses to specify the objects it creates
clas...
Using LINQ to remove elements from a List
...
Well, it would be easier to exclude them in the first place:
authorsList = authorsList.Where(x => x.FirstName != "Bob").ToList();
However, that would just change the value of authorsList instead of removing the authors from the previous collection. Alternatively, you can use RemoveAll...
How do you prevent IDisposable from spreading to all your classes?
...ent" IDisposable from spreading. Some classes need to be disposed, like AutoResetEvent, and the most efficient way is to do it in the Dispose() method to avoid the overhead of finalizers. But this method must be called somehow, so exactly as in your example the classes that encapsulate or contain ID...
Passing arguments to “make run”
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I don't know a way to do what you want exactly, but a workaround might be:
run: ./prog
./prog $(ARGS)
Then:
make ARGS="asdf" run
# or
make run ARGS="asdf"
share
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improv...
tag vs tag
... absent, but that
behaviour is not defined anywhere. While you can in theory leave it
out and assume it will be interpreted as JavaScript, it's invalid
HTML, so why not add it.
In HTML 5, the type attribute is optional and defaults to
text/javascript
Use <script type="text/javascri...
Can grep show only words that match search pattern?
Is there a way to make grep output "words" from files that match the search expression?
14 Answers
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How to check a not-defined variable in JavaScript
I wanted to check whether the variable is defined or not. For example, the following throws a not-defined error
14 Answer...
How can I open a cmd window in a specific location?
...in a specific location without having to navigate all the way to the directory I want?
40 Answers
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