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Static constant string (class member)
... {
private:
static const string RECTANGLE;
};
and then
// In one of the implementation files
const string A::RECTANGLE = "rectangle";
The syntax you were originally trying to use (initializer inside class definition) is only allowed with integral and enum types.
Starting from C++1...
Maven error “Failure to transfer…”
...
Under Eclipse Luna (4.4 milestone) on Windows I found that after deleting *.lastUpdated I also needed to get m2eclipse to Reindex the Local Repository (via Eclipse->Window->Preferences->Maven->User Settings:Local Repository: Reindex)
...
Android - Set fragment id
...quely identify Fragments, but ViewGroups. These IDs are of containers that one or more fragments can be added to dynamically. Using such a method to identify Fragments would require you to add ViewGroups dynamically to the Layout for every Fragment you insert. That would be pretty cumbersome.
So if...
How to use the PI constant in C++
...
One can avoid the multiplication operation with atan2(0, -1);.
– legends2k
May 29 '13 at 21:18
45
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How to validate an email address in JavaScript
....,;:\s@\"]+\.)+[^<>()[\]\.,;:\s@\"]{2,})$/i;
But keep in mind that one should not rely only upon JavaScript validation. JavaScript can easily be disabled. This should be validated on the server side as well.
Here's an example of the above in action:
function validateEmail(email) {
c...
How to get the path of a running JAR file?
...roblems with special characters, including spaces and pluses. The correct one-liner is: return new File(MyClass.class.getProtectionDomain().getCodeSource().getLocation().toURI()); Using URLDecoder does not work for many special characters. See my answer below for further details.
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What's the difference between unit, functional, acceptance, and integration tests? [closed]
... on the class should cause y to happen). Unit tests should be focussed on one particular feature (e.g., calling the pop method when the stack is empty should throw an InvalidOperationException). Everything it touches should be done in memory; this means that the test code and the code under test s...
load and execute order of scripts
... it wants.
There is no predictable order among multiple async things. If one needed a predictable order, then it would have to be coded in by registering for load notifications from the async scripts and manually sequencing javascript calls when the appropriate things are loaded.
When a script ta...
What is the difference between 'classic' and 'integrated' pipeline mode in IIS7?
...question is what is the difference? And what are the implications of using one or the other?
4 Answers
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Learning to write a compiler [closed]
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I think one worth mentioning is Coursera's compilers course. It has nice videos and walks through creating a java like language / simple compiler. Coursera Compilers Link
– QuantumKarl
Feb 24 '1...