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How to check if a string is a valid date
I have a string: "31-02-2010" and want to check whether or not it is a valid date.
What is the best way to do it?
14 Answ...
Ruby, remove last N characters from a string?
What is the preferred way of removing the last n characters from a string?
13 Answers
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Why is __dirname not defined in node REPL?
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path.dirname seems to not accept non-string values anymore in the newest major version, 6.0.0, so the first suggestion in this answer will not work.
– trysis
Jun 16 '16 at 15:22
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Is the list of Python reserved words and builtins available in a library?
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To verify that a string is a keyword you can use keyword.iskeyword; to get the list of reserved keywords you can use keyword.kwlist:
>>> import keyword
>>> keyword.iskeyword('break')
True
>>> keyword.kwlist
['False...
Getting the name of a child class in the parent class (static context)
...:
get_class($this);
and it will return the name of the child class as a string.
i.e.
class Parent() {
function __construct() {
echo 'Parent class: ' . get_class() . "\n" . 'Child class: ' . get_class($this);
}
}
class Child() {
function __construct() {
parent::const...
Reset C int array to zero : the fastest way?
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memset (from <string.h>) is probably the fastest standard way, since it's usually a routine written directly in assembly and optimized by hand.
memset(myarray, 0, sizeof(myarray)); // for automatically-allocated arrays
memset(myarray, ...
Get absolute path of initially run script
...h under some circumstances." plus "dirname() operates naively on the input string, and is not aware of the actual filesystem, or path components such as '..'.
– rik
Jan 10 '11 at 9:49
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Get model's fields in Django
... and each element is a Model field type, which can't be used directly as a string. So, field.name will return the field name
my_model_fields = [field.name for field in MyModel._meta.get_fields()]
The above code will return a list conatining all fields name
Example
In [11]: from django.contrib.aut...
How do you do a limit query in JPQL or HQL?
...t<UserMetricValue> findTopNByUserIdAndMetricId(
@Param("userId") String userId, @Param("metricId") Long metricId,
@Param("limit") int limit);
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AngularJS : Why ng-bind is better than {{}} in angular?
...laim. What is done on every $digest though is that the interpolated result string is calculated. It's just not assigned to the text node unless it changes.
– Matti Virkkunen
Nov 24 '14 at 2:47
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