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How to get the name of the calling method?
...def self.parse_caller(at)
if /^(.+?):(\d+)(?::in `(.*)')?/ =~ at
file = Regexp.last_match[1]
line = Regexp.last_match[2].to_i
method = Regexp.last_match[3]
[file, line, method]
end
end
end
To trigger the above module method you need to call like this:
caller =...
Missing styles. Is the correct theme chosen for this layout?
...problem but nothing seems to work. I have included library in the manifest file. I even created style is styles.xml, I have chosen Google Apis build target as well.
...
How do I specify a password to 'psql' non-interactively?
... the official documentation:
It is also convenient to have a ~/.pgpass file to avoid regularly having to type in passwords. See Section 30.13 for more information.
...
This file should contain lines of the following format:
hostname:port:database:username:password
The password field...
When should you use constexpr capability in C++11?
...{ TWO = 2 };
// This doesn't compile
enum { pi = 3.1415f };
// This is a file local lvalue masquerading as a global
// rvalue. It works most of the time. But May subtly break
// with static initialization order issues, eg pi = 0 for some files.
static const float pi = 3.1415f;
// This is a true...
How to run a program without an operating system?
... drive would also have to be in some particular format, on some particular filesystem... This is something that boot loaders usually do, but your program could include its own bootloader so it's self-contained, if the firmware will only load a small block of code.
Many ARM boards let you do some of...
How to make a node.js application run permanently?
...g process goes:
forever restart 0
If you're working on your application file, you can use the -w parameter to restart automatically whenever your server.js file changes:
forever -w server.js
share
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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...he extensions mechanism is still unstable and under development. Any aia files you build in steps (1) a
Using App Inventor extensions to implement multitouch: Rotation detector
A demo app with rotation detector extension component
How to build rotation detector extension
App Inventor does not...
How can I rename a database column in a Ruby on Rails migration?
...
$ > rails g migration ChangeColumnName
which will create a migration file similar to:
class ChangeColumnName < ActiveRecord::Migration
def change
rename_column :table_name, :old_column, :new_column
end
end
...
URL encoding the space character: + or %20?
... a more complex URL such as:
"https://bob:bobby@www.lunatech.com:8080/file;p=1?q=2#third"
we can extract the following information:
+-------------------+---------------------+
| Part | Data |
+-------------------+---------------------+
| Scheme | ht...
Android Left to Right slide animation
...
Which file above is animation_leave.xml and animation_enter.xml?
– Jasper
Sep 26 '15 at 13:18
1
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