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Where to define custom error types in Ruby and/or Rails?
Is there a best practice for defining custom error types in a Ruby library (gem) or Ruby on Rails application? Specifically:
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INT 10H 中断介绍 - C/C++ - 清泛网 - 专注C/C++及内核技术
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INT 10H 是由 BIOS 对屏幕及显示器所提供的服务程序。使用 INT 10H 中断服务程序时，先指定 AH 寄存器为下表编号其中之一，该编号表示欲调用的功用，而其他寄存器的详细说明，参考表后文字，当一切设定好之后再调用 INT 10H。...
NodeJS require a global module/package
...E_PATH environment variable. In Linux this will be:
export NODE_PATH=/usr/lib/node_modules
Note: This depend on where your global modules are actually installed.
See: Loading from the global folders.
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How do I include a pipe | in my linux find -exec command?
...iven java class file in folder with a large distro of jar files
find /usr/lib/eclipse/plugins -type f -name \*.jar | while read jar; do echo $jar; jar tf $jar | fgrep IObservableList ; done
the key point being that the while loop contains multiple commands referencing the passed in file name sepa...
import .css file into .less file
...preted as a particular type by specifying an option, e.g.:
@import (css) "lib";
will output
@import "lib";
and
@import (less) "lib.css";
will import the lib.css file and treat it as less. If you specify a file is less and do not include an extension, none will be added.
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Volley Android Networking Library
...ndroid update project -p .
$ ant jar
Then, copy bin/volley.jar into your libs/ folder and off you go!
source
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Relative paths in Python
... is a C extension in Python 2.5
>>> collections.__file__
'/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/lib-
dynload/collections.so'
However, this raises an exception on my Windows machine.
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Install NPM into home directory with distribution nodejs package (Ubuntu)
...man:$(manpath)"
# Tell Node about these packages
NODE_PATH="$NPM_PACKAGES/lib/node_modules:$NODE_PATH"
Now when you do an npm install -g, NPM will install the libraries into ~/.npm-packages/lib/node_modules, and link executable tools into ~/.npm-packages/bin, which is in your PATH.
Just use npm in...
How to reset Jenkins security settings from the command line?
... solution is to completely disable security - change true to false in /var/lib/jenkins/config.xml file.
<useSecurity>true</useSecurity>
Then just restart Jenkins, by
sudo service jenkins restart
And then go to admin panel and set everything once again.
If you in case are running y...
What is a classpath and how do I set it?
...e CoolFramework up into a .jar file, and put that CoolFramework.jar into a lib directory in your project. You would now need to put lib/CoolFramework.jar into your classpath. The VM will look inside the jar file for the org/javaguy/coolframework part, and find your class.
So, classpaths contain:
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