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How do I find out my MySQL URL, host, port and username?
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How can I get ip address ? I mean for above example there is 'DELL' hostname and can I get ip address instead of name ?
– Ozan
Jan 25 '16 at 7:59
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How to avoid null checking in Java?
...dition> is a boolean expression and <object> is an object whose toString() method's output will be included in the error.
An assert statement throws an Error (AssertionError) if the condition is not true. By default, Java ignores assertions. You can enable assertions by passing the optio...
Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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The required anti-forgery form field “__RequestVerificationToken” is not present Error in user Regis
I am using Membership.create user function, then the following error is occurring,
19 Answers
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static const vs #define
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String constants specifically are one of those that might benefit from being #defined, at least if they can be used as "building blocks" for bigger string constants. See my reply for an example.
– AnT
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Default filter in Django admin
... 'selected': self.value() == lookup,
'query_string': cl.get_query_string({
self.parameter_name: lookup,
}, []),
'display': title,
}
def queryset(self, request, queryset):
if self.value() in ('...
gunicorn autoreload on source change
... process should see your code changes and in a development environment the extra startup time per request should be negligible.
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Scanner vs. BufferedReader
...tokens (parts). It's able to give back you specific parts directly as int, string, decimal, etc. See also all those nextXxx() methods in Scanner class.
Reading = dumb streaming. It keeps giving back you all characters, which you in turn have to manually inspect if you'd like to match or compose som...
How to get first and last day of previous month (with timestamp) in SQL Server
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First Day Of Current Week.
select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),0),106)
Last Day Of Current Week.
select CONVERT(varchar,dateadd(week,datediff(week,0,getdate()),6),106)
First Day Of Last week.
select CONVERT(varchar,DATEADD(week,datediff(...
What are copy elision and return value optimization?
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Copy elision is an optimization implemented by most compilers to prevent extra (potentially expensive) copies in certain situations. It makes returning by value or pass-by-value feasible in practice (restrictions apply).
It's the only form of optimization that elides (ha!) the as-if rule - copy el...