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How to fluently build JSON in Java?
...
I am using the org.json library and found it to be nice and friendly.
Example:
String jsonString = new JSONObject()
.put("JSON1", "Hello World!")
.put("JSON2", "Hello my World!")
.put("JSON3", ...
Invalid date format specification in gemspec
...solution is this:
Search "spec" files in your Ruby directory:
*C:\Ruby187\lib\ruby\gems\1.8\specifications*
If a gemspec file contains something like this:
s.date = %q{2011-10-13 00:00:00.000000000Z}
Then delete the 00:00:00.000000000Z part:
s.date = %q{2011-10-13}
After saving those gemspec ...
Add one row to pandas DataFrame
...from numpy.random import randint
>>> df = pd.DataFrame(columns=['lib', 'qty1', 'qty2'])
>>> for i in range(5):
>>> df.loc[i] = ['name' + str(i)] + list(randint(10, size=2))
>>> df
lib qty1 qty2
0 name0 3 3
1 name1 2 4
2 name2 2 8
3 ...
Show or hide element in React
...w or hide something on a page via click event. I am not loading any other library to the page, so I am looking for some native way using the React library. This is what I have so far. I would like to show the results div when the click event fires.
...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...该是主分支，github上的几个仓库更新不是那么及时。英文好的同学请直接看论文《TLSF: a New Dynamic Memory Allocator f 官网地址：http://www.gii.upv.es/tlsf/
官网的代码应该是主分支，github上的几个仓库更新不是那么及时。
英文好的同学...
How to ignore deprecation warnings in Python
...ry=DeprecationWarning). I think you have to run this after you import the library that's spitting out the warnings, although I could be mistaken.
– Jack Kelly
May 23 '14 at 20:57
...
cannot load such file — bundler/setup (LoadError)
... /1.8 directory thus makes sense to fix the problem.
SetEnv GEM_HOME /usr/lib/ruby/gems/1.8
You might also try using the Ruby Version Manager to handle multiple Ruby envs.
Some things I found in Google:
New to Ruby and am having trouble with LOAD_PATH
http://weblog.rubyonrails.org/2009/9/1/gem...
How to change the default GCC compiler in Ubuntu?
...d of just cpp. Ubuntu already has a cpp alternative with a master link of /lib/cpp. Renaming that link would remove the /lib/cpp link, which could break scripts.)
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Can't execute jar- file: “no main manifest attribute”
...dClasspath>true</addClasspath>
<classpathPrefix>lib/</classpathPrefix>
<mainClass>com.mypackage.MyClass</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</b...
Disable Rails SQL logging in console
...e that writes to the log (in Rails 3.2.16, anyway) is the call to debug in lib/active_record/log_subscriber.rb:50.
That debug method is defined by ActiveSupport::LogSubscriber.
So we can knock out the logging by overwriting it like so:
module ActiveSupport
class LogSubscriber
def debug(*arg...