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Should I use #define, enum or const?
...oSomething(RecordType p_eMyEnum)
{
if(p_eMyEnum == xNew)
{
// etc.
}
}
As you see, your enum is polluting the global namespace.
If you put this enum in an namespace, you'll have something like:
namespace RecordType {
enum Value { xNew = 1, xDeleted, xModified = 4, xExisting = 8...
What is Node.js' Connect, Express and “middleware”?
...e features. e.g.
Has view engine support.
Has top level verbs (get/post etc.) for its router.
Has application settings support.
The middleware is shared
The use function of ExpressJS and connect is compatible and therefore the middleware is shared. Both are middleware frameworks, express just ...
How to choose the id generation strategy when using JPA and Hibernate
...n with not much concurrent users, you can go for increment, identity, hilo etc.. These are simple to configure and did not need much coding inside the db.
You should choose sequence or guid depending on your database. These are safe and better because the id generation will happen inside the databas...
Understanding dispatch_async
... executing tasks such as background downloading, compression, computation, etc.
Note that the order of execution is FIFO on a per-queue basis. So if you send 1000 dispatch_async() tasks to the four different concurrent queues, evenly splitting them and sending them to BACKGROUND, LOW, DEFAULT and H...
Why is the Java main method static?
...when we have to bridge the virtual machine world, and the world of C, C++, etc... The reverse is also true - it is not possible (at least to my knowledge) to actually get a JVM running without using JNI.
Basically, java.exe is a super simple C application that parses the command line, creates a n...
Evenly space multiple views within a container view
...orts ratio multipliers, so you can put in things like "1:4", "2:5", "3:4", etc.
– Benjohn
Dec 5 '14 at 21:47
3
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How to check if an object is a certain type
...s makes them easy to distinguish at a glance from classes, types, methods, etc.
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Running shell command and capturing the output
...assing the output from each as an input to the next, via
run(cmd, [stdout=etc...], input=other_output)
Or
Popen(cmd, [stdout=etc...]).communicate(other_output)
The temptation to directly connect pipes is strong; resist it. Otherwise, you'll likely see deadlocks or have to do hacky things like ...
Relatively position an element without it taking up space in document flow
...t flow at all. You can then position it using one of the "left", "bottom", etc, properties. The relative positioning on the parent shouldn't usually affect it because it will be positioned at its original position by default if you don't specify "left", "bottom", etc.
http://css-tricks.com/absolute...
What is the difference between a field and a property?
...e can put logic in the Property also allows us to perform validation logic etc if we need it.
C# 3 has the possibly confusing notion of autoproperties. This allows us to simply define the Property and the C#3 compiler will generate the private field for us.
public class Person
{
private string _...