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Templated check for the existence of a class member function?
...e the pointer-to-method-of-T declaration is not subject to SFINAE and will error out for any non-class T. IMO the easiest solution is to combine with is_class check from boost.
– Jan Hudec
May 22 '12 at 12:04
...
How Drupal works? [closed]
...g, automatically sortable tables, and result set paging. Drupal’s custom error handler is set, and all enabled modules are loaded. Finally, Drupal fires the init hook, so that modules have an opportunity to be notified before official processing of the request begins.
Once Drupal has completed bo...
JSON.net: how to deserialize without using the default constructor?
...mat, Dictionary<string, string> details = null)
{
Code = code ?? ERROR_CODE;
Format = format;
if (details == null)
Details = new Dictionary<string, string>();
else
Details = details;
}
...
Should I use Java date and time classes or go with a 3rd party library like Joda Time?
... a better built-in parsing. A wrong date like "2014-02-31" is thrown as an error: Exception in thread "main"
org.joda.time.IllegalFieldValueException: Cannot parse "2014-02-31":
Value 31 for dayOfMonth must be in the range [1,28].
You may like this page for more details:
http://swcodes.blogspot.co...
How to securely save username/password (local)?
...
Hi, I tried this, but I got an error at entropy = rng.GetBytes(20) saying: Cannot convert from int to byte[]
– Robin
Oct 1 '12 at 11:16
...
How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
...o always refer to a new name, not an ip-address, so there are actually two errors in the single line
@ IN CNAME 88.198.38.XXX
Changing that CNAME to an A record should make it work, provided the ip-address you use is the correct one for your Heroku app.
The only correct...
Why are there two kinds of functions in Elixir?
...rent number of arguments:
fn
x, y -> x + y
x -> x
end
** (SyntaxError) cannot mix clauses with different arities in function definition
Oh no! We get an error! We cannot mix clauses that expect a different number of arguments. A function always has a fixed arity.
Now, let's talk about ...
Standard alternative to GCC's ##__VA_ARGS__ trick?
...o reliably test if there are too many arguments (so that a useful compiler error message can be printed, rather than a strange failure).
– Richard Hansen
Apr 20 '13 at 1:25
ad...
What is a ViewModelLocator and what are its pros/cons compared to DataTemplates?
...tance the designer won't be able to instantiate the View at all -- it will error out in some controlled manner
If the View has a parameterless constructor the View will be instantiated, but its DataContext will be null so we 'll get an "empty" view in the designer -- which is not very useful
Enter...
How to return a string value from a Bash function
... in your scripts and also harder to "forget to 'eval' and have to fix this error":
declare [-aAfFgilnrtux] [-p] [name[=value] ...]
typeset [-aAfFgilnrtux] [-p] [name[=value] ...]
Declare variables and/or give them attributes
...
-n Give each name the nameref attribute, making it a name refere...