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How to exit from the application and show the home screen?
...ctly from this activity. What we can do is, create an intent and go to the root activity and set flag in the intent as
intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
also, add some extra like boolean to the intent
intent.putExtra("EXIT", true);
Then in root activity, check the value of the b...
Should I Dispose() DataSet and DataTable?
...y !FinalizeQueue in SOS)
The DataTable, DataSet, DataView classes are all rooted at MarshalByValueComponent, a finalizable object that can (potentially) handle unmanaged resources
Because DataTable, DataSet, DataView don’t introduce unmanaged resources, they suppress finalization in their const...
Post JSON using Python Requests
...ost("http://localhost:8080", json={'json_payload': data})
server:
class Root(object):
def __init__(self, content):
self.content = content
print self.content # this works
exposed = True
def GET(self):
cherrypy.response.headers['Content-Type'] = 'application/...
proper way to sudo over ssh
...do --prompt="" -S -- whoami << EOF
> <remote_sudo_password>
root
We're telling sudo not to issue a prompt, and to take its input from stdin. This makes the sudo password passing completely silent so the only response you get back is the output from whoami.
This technique has the b...
Add context path to Spring Boot application
I am trying to set a Spring Boot applications context root programmatically. The reason for the context root is we want the app to be accessed from localhost:port/{app_name} and have all the controller paths append to it.
...
How to install the JDK on Ubuntu Linux
...d to the newest version is always linked from http://java.oracle.com.
As root, do;
cd /usr/local
tar xzf <the file you just downloaded>
As your normal user, add or change these two lines in your ~/.profile to point to the installation;
export JAVA_HOME=/usr/local/jdk1.7.0_13
export PATH=...
What is the difference between Class.getResource() and ClassLoader.getResource()?
...ive to the .class file while the latter searches relative to the classpath root.
To debug issues like that, I print the URL:
System.out.println( getClass().getResource(getClass().getSimpleName() + ".class") );
share
...
Are tuples more efficient than lists in Python?
...he performance of your program -- remember "premature optimization is the root of all evil").
Python makes this very easy: timeit is your friend.
$ python -m timeit "x=(1,2,3,4,5,6,7,8)"
10000000 loops, best of 3: 0.0388 usec per loop
$ python -m timeit "x=[1,2,3,4,5,6,7,8]"
1000000 loops, best ...
Get the full URL in PHP
.../=================================================== //
$_SERVER["DOCUMENT_ROOT"] ???? /home/user/public_html
$_SERVER["SERVER_ADDR"] ???? 143.34.112.23
$_SERVER["SERVER_PORT"] ???? 80(or 443 etc..)
$_SERVER["REQUEST_SCHEME"] ???? https //similar: $_SER...
How to delete all files and folders in a directory?
...ow can I delete all files and folders from a directory, but still keep the root directory?
29 Answers
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