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Read each line of txt file to new array element
...sing, this should do what you're looking for
$lines = file($filename, FILE_IGNORE_NEW_LINES);
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django - why is the request.POST object immutable?
...QueryDict class, which implements a full set of mutation methods including __setitem__, __delitem__, pop and clear. It implements immutability by checking a flag when you call one of the mutation methods. And when you call the copy method you get another QueryDict instance with the mutable flag turn...
How to define hash tables in Bash?
...are the answer by introducing the concepts:
First, indirection.
$ animals_moo=cow; sound=moo; i="animals_$sound"; echo "${!i}"
cow
Secondly, declare:
$ sound=moo; animal=cow; declare "animals_$sound=$animal"; echo "$animals_moo"
cow
Bring them together:
# Set a value:
declare "array_$index=$...
How do I check if a string is unicode or ascii?
... it raises a UnicodeDecodeError exception, it wasn't valid.
>>> u_umlaut = b'\xc3\x9c' # UTF-8 representation of the letter 'Ü'
>>> u_umlaut.decode('utf-8')
u'\xdc'
>>> u_umlaut.decode('ascii')
Traceback (most recent call last):
File "<stdin>", line 1, in <m...
JavaScript private methods
... prototype:
function Restaurant() {
var myPrivateVar;
var private_stuff = function() { // Only visible inside Restaurant()
myPrivateVar = "I can set this here!";
}
this.use_restroom = function() { // use_restroom is visible to all
private_stuff();
}
this...
Converting datetime.date to UTC timestamp in Python
...ase on the given platform. You could use pytz module (e.g., via tzlocal.get_localzone()) to get access to the tz database on all platforms. Also, utcfromtimestamp() may fail and mktime() may return non-POSIX timestamp if "right" timezone is used.
To convert datetime.date object that represents da...
What is the volatile keyword useful for?
... volatile:
public class Singleton {
private static volatile Singleton _instance; // volatile variable
public static Singleton getInstance() {
if (_instance == null) {
synchronized (Singleton.class) {
if (_instance == null)
_instance = ...
UILabel with text of two different colors
...}
SWIFT 3
extension NSMutableAttributedString{
func setColorForText(_ textToFind: String, with color: UIColor) {
let range = self.mutableString.range(of: textToFind, options: .caseInsensitive)
if range.location != NSNotFound {
addAttribute(NSForegroundColorAttribut...
Integrating MySQL with Python in Windows
... x64 but while importing MySQLdb I'm getting 'ImportError: No module named _mysql_windows.api' error. pls anyone help me to solve this issue.
– Vilva
Aug 3 '12 at 12:15
4
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Peak-finding algorithm for Python/SciPy
...
The function scipy.signal.find_peaks, as its name suggests, is useful for this. But it's important to understand well its parameters width, threshold, distance and above all prominence to get a good peak extraction.
According to my tests and the document...