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Bash continuation lines
...here document. (Line terminators will still remain, though.)
cat <<-____HERE
continuation
lines
____HERE
See also http://ss64.com/bash/syntax-here.html
If you need to preserve some, but not all, leading whitespace, you might use something like
sed 's/^ //' <<____HERE
Th...
top -c command in linux to filter processes listed based on processname
... to get pid's of matching command lines:
top -c -p $(pgrep -d',' -f string_to_match_in_cmd_line)
top -p expects a comma separated list of pids so we use -d',' in pgrep. The -f flag in pgrep makes it match the command line instead of program name.
...
How to detect user inactivity in Android
... MyBaseActivity extends Activity {
public static final long DISCONNECT_TIMEOUT = 300000; // 5 min = 5 * 60 * 1000 ms
private static Handler disconnectHandler = new Handler(new Handler.Callback() {
@Override
public boolean handleMessage(Message msg) {
// todo
...
Best way to assert for numpy.array equality?
...some unit-tests for my app, and I need to compare two arrays. Since array.__eq__ returns a new array (so TestCase.assertEqual fails), what is the best way to assert for equality?
...
Find where python is installed (if it isn't default dir)
...gt;>> sys.executable
'c:\\Python26\\python.exe'
>>> sys.exec_prefix
'c:\\Python26'
>>>
>>> print '\n'.join(sys.path)
c:\Python26\lib\site-packages\setuptools-0.6c11-py2.6.egg
c:\Python26\lib\site-packages\nose-1.0.0-py2.6.egg
C:\Windows\system32\python26.zip
c:\Pyth...
Declaring an enum within a class
...uct Color
{
enum Type
{
Red, Green, Black
};
Type t_;
Color(Type t) : t_(t) {}
operator Type () const {return t_;}
private:
//prevent automatic conversion for any other built-in types such as bool, int, etc
template<typename T>
operator T () const;
};
...
How do I count the number of occurrences of a char in a String?
...n Android, where there is no StringUtils class
– Jose_GD
Nov 6 '12 at 13:12
43
...
What is the best project structure for a Python application? [closed]
...Project/
|-- bin/
| |-- project
|
|-- project/
| |-- test/
| | |-- __init__.py
| | |-- test_main.py
| |
| |-- __init__.py
| |-- main.py
|
|-- setup.py
|-- README
share
|
improv...
Android AsyncTask testing with Android Test Framework
... runTestOnUiThread():
public final void testExecute() {
startActivity(_startIntent, null, null);
runTestOnUiThread(new Runnable() {
public void run() {
Button btnStart = (Button) getActivity().findViewById(R.id.Button01);
btnStart.performClick();
}
...
how do you filter pandas dataframes by multiple columns
...er and that depend on more than one column, you can use:
df = df[df[['col_1','col_2']].apply(lambda x: f(*x), axis=1)]
where f is a function that is applied to every pair of elements (x1, x2) from col_1 and col_2 and returns True or False depending on any condition you want on (x1, x2).
...