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How do you connect localhost in the Android emulator? [duplicate]
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what for my own smartphone device?
– Uzair Qaiser
Jun 27 '18 at 12:11
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Why do we need extern “C”{ #include } in C++?
...ill contain references to "foo", not "_Z3fooblah", which hopefully matches whatever is in the library you're linking against.
Most modern libraries will put guards around such headers so that symbols are declared with the right linkage. e.g. in a lot of the standard headers you'll find:
#ifdef __...
Iterate through every file in one directory
... Dir::children) also include hidden files & directories. Often this is what you want, but if it isn't, you need to do something to skip over them.
Alternatively, you might want to look into Dir::glob which provides simple wildcard matching:
Dir.glob('/path/to/dir/*.rb') do |rb_filename|
# Do...
Hidden features of Python [closed]
What are the lesser-known but useful features of the Python programming language?
191 Answers
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How and where are Annotations used in Java?
What are the major areas that we can use Annotations? Is the feature a replacement for XML based configuration?
15 Answers
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How can I open Java .class files in a human-readable way?
I'm trying to figure out what a Java applet's class file is doing under the hood. Opening it up with Notepad or Textpad just shows a bunch of gobbledy-gook.
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Close file without quitting VIM application?
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Yours is better than mine for what the OP asked, although I tend to prefer :enew because I like having the buffer in the buffer list. :)
– Rytmis
Nov 1 '08 at 22:39
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MySQL Removing Some Foreign keys
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Tip: use SHOW CREATE TABLE footable; to see what the name of the constraint is. It isn't the name of the column per-se. Thanks for the answer!
– Chris Baker
Sep 2 '16 at 6:35
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How to find Unused Amazon EC2 Security groups
.../another service.
Using the newer AWS CLI tool, I found an easy way to get what I need:
First, get a list of all security groups
aws ec2 describe-security-groups --query 'SecurityGroups[*].GroupId' --output text | tr '\t' '\n'
Then get all security groups tied to an instance, then piped to sort th...
View array in Visual Studio debugger? [duplicate]
...g error will occur: "error: + cannot be performed on 'pArray' and '1'". What version of VS are you using?
– An Cong Tran
Jun 14 '14 at 17:03
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