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Where is Java Installed on Mac OS X?
I just downloaded Java 7u17 on Mac OS 10.7.5 from here and then successfully installed it. In order to do some JNI programming, I need to know where Java installed on my Mac.
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What is the difference between “instantiated” and “initialized”?
...For value types, like int the compiler will give them a valid value if you do not do so explicitly. int's initialize to zero by default, DateTime's initialize to DateTime.MinValue by default.
Reference type variables initialize to the object you give it. The compiler will not assign an object (i.e....
What is scope/named_scope in rails?
...Users who are subscribed to your newsletter.
You could, of course, always do this:
User.where(subscribed_to_newsletter: true).each do #something
Instead of always writing this you could, however, do something like this.
#File: users.rb
class User < ActiveRecord::Base
scope :newsletter, whe...
Why is lock(this) {…} bad?
The MSDN documentation says that
16 Answers
16
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What does the “Just” syntax mean in Haskell?
I have scoured the internet for an actual explanation of what this keyword does. Every Haskell tutorial that I have looked at just starts using it randomly and never explains what it does (and I've looked at many).
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Generate JSON string from NSDictionary in iOS
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Why do you assume that NSUTF8StringEncoding is the correct encoding?
– Heath Borders
Apr 8 '15 at 2:29
5
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SQL Server Management Studio, how to get execution time down to milliseconds
...agement-studio-and-client-statistics/
Also, if you open the Properties window you may find some magical "Connection elapsed time" that may give you some execution time...
Hope it helps...
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i...
std::string to char*
...g";
char *cstr = new char[str.length() + 1];
strcpy(cstr, str.c_str());
// do stuff
delete [] cstr;
Or in modern C++:
std::vector<char> cstr(str.c_str(), str.c_str() + str.size() + 1);
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LINQPad [extension] methods [closed]
Does anyone have a complete list of LINQPad extension methods and methods, such as
4 Answers
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Why does integer overflow on x86 with GCC cause an infinite loop?
... answered Oct 7 '11 at 2:36
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