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How to unescape HTML character entities in Java?
Basically I would like to decode a given Html document, and replace all special chars, such as " " -> " " , ">" -> ">" .
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How to Iterate over a Set/HashSet without an Iterator?
...accessing the underlying structure that holds the data through reflection, and replicating the code provided by Set#iterator...
– assylias
Sep 17 '12 at 8:46
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Django “xxxxxx Object” display customization in admin action sidebar
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Using the __str__ method works on Python3 and Django1.8:
class MyModel(models.Model):
name = models.CharField(max_length=60)
def __str__(self):
return 'MyModel: {}'.format(self.name)
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Combined area of overlapping circles
I recently came across a problem where I had four circles (midpoints and radius) and had to calculate the area of the union of these circles.
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Python's equivalent of && (logical-and) in an if-statement
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You would want and instead of &&.
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convert a char* to std::string
...ing str(s);
Note that this construct deep copies the character list at s and s should not be nullptr, or else behavior is undefined.
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Uint8Array to string in Javascript
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TextEncoder and TextDecoder from the Encoding standard, which is polyfilled by the stringencoding library, converts between strings and ArrayBuffers:
var uint8array = new TextEncoder("utf-8").encode("¢");
var string = new TextDecoder("...
Check if a number has a decimal place/is a whole number
... answered Feb 20 '10 at 22:50
Andy EAndy E
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if/else in a list comprehension
...x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
[f(x) for x in sequence if condition]
Note that this actually uses a different language construct, a conditional expression, which itself is not part of the comprehensi...
FileSystemWatcher Changed event is raised twice
I have an application where I am looking for a text file and if there are any changes made to the file I am using the OnChanged eventhandler to handle the event. I am using the NotifyFilters.LastWriteTime but still the event is getting fired twice. Here is the code.
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