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Convert String[] to comma separated string in java
i have one String[]
23 Answers
23
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Why are static variables considered evil?
...t given a choice between two otherwise equally valid designs, the testable one is superior. Being testable certainly doesn't equate to being well designed, but I've rarely come across untestable good designs, and I think they're sufficiently rare that I have no problem in making testability a genera...
What is Java String interning?
...ist of names where 'john' appears 1000 times, by interning you ensure only one 'john' is actually allocated memory.
This can be useful to reduce memory requirements of your program. But be aware that the cache is maintained by JVM in permanent memory pool which is usually limited in size compared t...
Multiple arguments vs. options object
... had to look up the function to figure out what parameters it takes
If someone ever tries to strangle you while screaming "ARRRRRG!"
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How to play a sound in C#, .NET
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For Windows Forms one way is to use the SoundPlayer
private void Button_Click(object sender, EventArgs e)
{
using (var soundPlayer = new SoundPlayer(@"c:\Windows\Media\chimes.wav")) {
soundPlayer.Play(); // can also use soundPlaye...
What happens to global and static variables in a shared library when it is dynamically linked?
...nless you use some inter-process communication library or extensions).
The One Definition Rule (ODR) still applies, meaning that you can only have one definition of the global variable visible at link-time (static or dynamic linking).
So, the key issue here is really visibility.
In all cases, sta...
How to mock a final class with mockito
...f these types. As this works differently to our current mechanism and this one has different limitations and as we want to gather experience and user feedback, this feature had to be explicitly activated to be available ; it can be done via the mockito extension mechanism by creating the file src/te...
Can I create a One-Time-Use Function in a Script or Stored Procedure?
In SQL Server 2005, is there a concept of a one-time-use, or local function declared inside of a SQL script or Stored Procedure? I'd like to abstract away some complexity in a script I'm writing, but it would require being able to declare a function.
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Get timezone from DateTime
Does the .Net DateTime contain information about time zone where it was created?
7 Answers
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Finding local IP addresses using Python's stdlib
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One should note that this isn't a platform independent solution. A lot of Linuxes will return 127.0.0.1 as your IP address using this method.
– Jason Baker
Oct 3 '08 at 12:07
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