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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...
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
...
How do I implement a callback in PHP?
... be called directly
$cb2 = 'ClassName::someStaticMethod';
$cb2(); // fatal error
// legacy syntax for PHP 4
$cb3 = array(&$object, 'somePublicMethod');
This is a safe way to use callable values in general:
if (is_callable($cb2)) {
// Autoloading will be invoked to load the class "ClassNa...
Pointer arithmetic for void pointer in C
... MSVC) disallow arithmetic on void*, and GCC disallows it if the -pedantic-errors flag is specified, or if the -Werror-pointer-arith flag is specified (this flag is useful if your code base must also compile with MSVC).
The C Standard Speaks
Quotes are taken from the n1256 draft.
The standard's d...
Unix command to find lines common in two files
...ve the temporary files afterwards, and cope with cleaning up in case of an error. In many scenarios, the process substitution will also be a lot quicker because you can avoid the disk I/O as long as the results fit into memory.
– tripleee
Dec 8 '17 at 5:41
...
System.Security.SecurityException when writing to Event Log
...
This answer describes the real reason behind the error. The check exists tries to enumerate the whole key. if it exists, checkExists works fine.
– DanO
Jul 29 '15 at 16:40
...
Maven Install on Mac OS X
...n you just install Maven using:
brew install maven
PS: If you got a 404 error, try doing a brew update just before
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What is difference between functional and imperative programming languages?
Most of the mainstream languages, including object-oriented programming (OOP) languages such as C#, Visual Basic, C++, and Java were designed to primarily support imperative (procedural) programming, whereas Haskell/gofer like languages are purely functional. Can anybody elaborate on what is the dif...