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What is a domain specific language? Anybody using it? And in what way?
...directly into the language... when possible. The majority of languages use strings, usually loaded from external files.
Are there any particular advantages of using them? Using them for their intended purposes is very advantageous to the point you will turn to them without knowing, just like you ha...
php is null or empty?
...ote the ===.
When use ==, as you did, PHP treats NULL, false, 0, the empty string, and empty arrays as equal.
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Testing Private method using mockito
How to test private method is called or not, and how to test private method using mockito???
12 Answers
...
How to get the month name in C#?
...nsole.Read();
}
}
static class DateTimeExtensions
{
public static string ToMonthName(this DateTime dateTime)
{
return CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(dateTime.Month);
}
public static string ToShortMonthName(this DateTime dateTime)
{
re...
JavaScript by reference vs. by value [duplicate]
... object.
An example:
function changeParam(x, y, z) {
x = 3;
y = "new string";
z["key2"] = "new";
z["key3"] = "newer";
z = {"new" : "object"};
}
var a = 1,
b = "something",
c = {"key1" : "whatever", "key2" : "original value"};
changeParam(a, b, c);
// at this point a is still ...
How to sum up elements of a C++ vector?
What are the good ways of finding the sum of all the elements in a std::vector ?
11 Answers
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Get JavaScript object from array of objects by value of property [duplicate]
...I wrote that "methods like find() and arrow functions are not supported by all browsers".
– Michał Perłakowski
Sep 22 '16 at 13:43
4
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Express.js: how to get remote client address
...ypescript since any unlisted req.headers (including "X-" headers) is typed string|string[], and can't have split method. can be rewritten and should be rewritten with type guard
– Александр Усков
Jul 16 at 13:07
...
Does .asSet(…) exist in any API?
...with Java 8 you can do this without need of third-party framework:
Set<String> set = Stream.of("a","b","c").collect(Collectors.toSet());
See Collectors.
Enjoy!
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How to define two fields “unique” as couple
...ax_length=50)
class Meta:
unique_together = ('field1', 'field2',)
And in your case:
class Volume(models.Model):
id = models.AutoField(primary_key=True)
journal_id = models.ForeignKey(Journals, db_column='jid', null=True, verbose_name = "Journal")
volume_number = models.CharField('Vol...