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Illegal pattern character 'T' when parsing a date string to java.util.Date
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How to search file text for a pattern and replace it with a given value
...irectory fails.
You must have enough space on the destination partition in order to hold both the complete old file and the new file. However, if you have insufficient space to hold both copies then you are probably short on disk space and the actual risk of writing a truncated file is much higher,...
How to check if running in Cygwin, Mac or Linux?
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This is precisely what I was looking for in order to write a portable/cross-platform ~/.profile (to set environment variables like $PATH -- commenting to provide search keywords for posterity).
– Braham Snyder
Oct 1 '17 at 16:36
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AngularJS - Trigger when radio button is selected
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Android: How can I validate EditText input?
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In order to reduce the verbosity of the validation logic I have authored a library for Android. It takes care of most of the day to day validations using Annotations and built-in rules. There are constraints such as @TextRule, @...
How do I initialize the base (super) class?
...nsure you get the next method (as a bound method) in the method resolution order. In Python 2, you need to pass the class name and self to super to lookup the bound __init__ method:
class SubClass(SuperClass):
def __init__(self, y):
super(SubClass, self).__init__('x')
self...
Which is faster in Python: x**.5 or math.sqrt(x)?
...l namespace speeds it up more is probably because of the method resolution order: the compiler first checks if the function was defined in your code, then in any imports, so if it was defined locally it takes less time per lookup
– Rotem Shalev
Aug 21 at 11:26
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Why do we need a pure virtual destructor in C++?
...ly method that even if it is pure virtual has to have an implementation in order to instantiate derived classes (yes pure virtual functions can have implementations).
struct foo {
virtual void bar() = 0;
};
void foo::bar() { /* default implementation */ }
class foof : public foo {
void ba...
How to iterate over the keys and values with ng-repeat in AngularJS?
...that it will be alphabetized by the keys so the naming matters if the item order is relevant to the display.
– display name
Mar 11 '14 at 18:49
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Why is there “data” and “newtype” in Haskell? [duplicate]
...e multiple value constructors (even
though CoolBool only has one). So in order to see if the value given
to our function conforms to the (CoolBool _) pattern, Haskell has to
evaluate the value just enough to see which value constructor was used
when we made the value. And when we try to eval...