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How can I get a resource content from a static context?
...to read strings from an xml file before I do much of anything else like setText on widgets, so how can I do that without an activity object to call getResources() on?
...
Hidden Features of PHP? [closed]
...e) properties
public function __get($fieldName);
public function __set($fieldName, $value);
public function __isset($fieldName);
public function __unset($fieldName);
// calling undefined or invisible (e.g. private) methods
public function __call($funcName, $args);
public...
Fastest way to find second (third…) highest/lowest value in vector or column
...;- length(x)
if(N>len){
warning('N greater than length(x). Setting N=length(x)')
N <- length(x)
}
sort(x,partial=len-N+1)[len-N+1]
}
microbenchmark::microbenchmark(
Rfast = Rfast::nth(x,5,descending = T),
maxn = maxN(x,5),
order = x[order(x, decreasing...
How to add a browser tab icon (favicon) for a website?
...There are a number of different icons and even splash screens that you can set for various devices. This answer goes through how to support them all.
Here are some snippets I have used with relevant links to where I gathered the information. See my blog for more information and more information abo...
How to pass arguments to a Button command in Tkinter?
...andle(btn['command'])
You can simply think that command option should be set as, the reference to the method we want to be called, similar to callback in button_press_handle.
Calling a Method(Callback) When the Button is Pressed
Without arguments
So if I wanted to print something when the bu...
Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
...6. , 2.2]])
# Creating pandas dataframe from numpy array
>>> dataset = pd.DataFrame({'Column1': data[:, 0], 'Column2': data[:, 1]})
>>> print(dataset)
Column1 Column2
0 5.8 2.8
1 6.0 2.2
...
What are some (concrete) use-cases for metaclasses?
... on, but one that iterates over the class attributes in __init__ before re-setting the class attributes is more efficient and keeps things up to date:
class _Interactify(type):
def __init__(cls, name, bases, d):
super(_Interactify, cls).__init__(name, bases, d)
for base in bases...
Standard deviation of a list
...ta list.
Sample std: You need to pass ddof (i.e. Delta Degrees of Freedom) set to 1, as in the following example:
numpy.std(< your-list >, ddof=1)
The divisor used in calculations is N - ddof, where N represents the number of elements. By default ddof is zero.
It calculates sampl...
Git stash: “Cannot apply to a dirty working tree, please stage your changes”
...pply stashed changes to a dirty working copy, e.g. pop more than one changeset from the stash, I use the following:
$ git stash show -p | git apply -3 && git stash drop
Basically it
creates a patch
pipes that to the apply command
if there are any conflicts they will need to be resolved...
C++ Returning reference to local variable
...- and then suddenly cease to function after one particularly deeply nested set of functions, or a function with really huge sized or many local objects, reaches that stack-memory again.
It even can happen that you reach the same program part again, and overwrite your old local function variable wit...