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How to get the instance id from within an ec2 instance?
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See the EC2 documentation on the subject.
Run:
wget -q -O - http://169.254.169.254/latest/meta-data/instance-id
If you need programatic access to the instance ID from within a script,
die() { status=$1; shift; echo "FATAL: $*"; exit $st...
Function overloading by return type?
Why don't more mainstream statically typed languages support function/method overloading by return type? I can't think of any that do. It seems no less useful or reasonable than supporting overload by parameter type. How come it's so much less popular?
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How can I deserialize JSON to a simple Dictionary in ASP.NET?
... answered Jul 31 '09 at 11:51
James Newton-KingJames Newton-King
42.9k2222 gold badges105105 silver badges127127 bronze badges
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How can I use Homebrew to install both Python 2 and 3 on Mac?
... to switch back and forth between Python 2 and 3. How do I do that using Homebrew as I don't want to mess with path and get into trouble.
Right now I have 2.7 installed through Homebrew.
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How do you detect where two line segments intersect? [closed]
... approach to this problem that uses vector cross products. Define the 2-dimensional vector cross product v × w to be vx wy − vy wx.
Suppose the two line segments run from p to p + r and from q to q + s. Then any point on the first line is representable as p + t r (for a scalar par...
Entity Framework Code First - two Foreign Keys from same table
...ublic class Team
{
public int TeamId { get; set;}
public string Name { get; set; }
public virtual ICollection<Match> HomeMatches { get; set; }
public virtual ICollection<Match> AwayMatches { get; set; }
}
public class Match
{
public int MatchId { get; set; }
p...
How can I run dos2unix on an entire directory? [closed]
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Would break if you had spaces in filename. find . -type f -print0 | xargs -0 dos2unix would solve the problem I think.
– Noufal Ibrahim
Aug 13 '12 at 6:57
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Is JavaScript supported in an email message?
Is JavaScript supported in an email message?
10 Answers
10
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How do I view the SQLite database on an Android device? [duplicate]
...n in debug mode.
You may want to use adb -d shell "run-as com.yourpackge.name ls /data/data/com.yourpackge.name/databases/" to see what the database filename is.
Notice: com.yourpackge.name is your application package name. You can get it from the manifest file.
Copy the database file from your ...
How do I rename an open file in Emacs?
Is there a way to rename an open file in Emacs? While I'm viewing it? Something like save-as, but the original one should go away.
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