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Is 0 a decimal literal or an octal literal?
...l literal could be interpreted as a decimal literal. I can see the compile error, now: ERROR: 0 is ambiguous, could be octal zero or could be decimal zero. Consider using (1 - 1) to disambiguate.
– CB Bailey
Aug 1 '11 at 9:25
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How to drop multiple columns in postgresql
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Does not work for me. I get: ERROR: 42601: syntax error at or near ","
– Audrey
Nov 5 '14 at 12:12
9
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Setup RSpec to test a gem (not Rails)
It is pretty easy with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how about adding RSpec for testing a gem in development?
I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *...
How to make a SPA SEO crawlable?
... So in web.config I add the following line to redirect these to a specific error handling controller:
<customErrors mode="On" defaultRedirect="Error">
<error statusCode="404" redirect="Error" />
</customErrors><br/>
Now, this transforms the URL to something like: http:...
Why dict.get(key) instead of dict[key]?
...ever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted, default_value is None, such that
dictionary.get("bogus") # <-- No default specified -- defaults to None
returns None just like
dictionary.get("bogus", None)
would.
...
Creating the Singleton design pattern in PHP5
...nstance();
$fact == $fact2;
But:
$fact = new UserFactory()
Throws an error.
See http://php.net/manual/en/language.variables.scope.php#language.variables.scope.static to understand static variable scopes and why setting static $inst = null; works.
...
Is it possible to change a UIButtons background color?
... I like this solution, but at the moment I can't use it. I get an error, because "CommonUIUtility" can't be found. Google just gives me eclipse stuff, but i guess it should be in the QuartzCore? Any ideas?
– Stephan
Apr 11 '12 at 9:37
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Swift - Split string over multiple lines
...te and the +, otherwise you'll get a "'+' is not a postfix unary operator" error
– Orlin Georgiev
Apr 7 '15 at 8:20
Th...
What is the equivalent of Java's final in C#?
...e - failing to assign V or assigning V two or more times will result in an error.
C#'s readonly keyword has no such guarantee - the compiler is more than happy to leave readonly members unassigned or allow you to assign them multiple times within a constructor.
So, final and readonly (at least wit...
'parent.relativePath' points at my com.mycompany:MyProject instead of org.apache:apache - Why?
...t finger mistake........the "groupId" names did not match....and I got the error.
Aka, check for fat finger mistakes before you go to too many extremes to resolve.
error I got for internet-searching
"Project build error: 'parent.relativePath' of POM" "points at"
"please verify your project s...