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Return value in a Bash function
... an exit code of 0 is considered success and therefore "true". Non-zero is error and therefore false. Think of fun1 || fun2 as shorthand for "if fun1 returns success or fun2 returns success" rather than an operator on the actual return values themselves.
– davidA
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What is the best method to merge two PHP objects?
...e to override all the relevant magic methods. You'll probably find syntax errors since I just entered it off the top of my head.
class Compositor {
private $obj_a;
private $obj_b;
public function __construct($obj_a, $obj_b) {
$this->obj_a = $obj_a;
$this->obj_b = $obj_b;
}
...
C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
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A segmentation fault (often shortened to segfault) is a particular error condition that can occur during the operation of computer software. In short, a segmentation fault occurs when a program attempts to access a memory location that it is not allowed to access, or attempts to access a mem...
Storing C++ template function definitions in a .CPP file
...from its declaration and put it inside a .cpp file?
How can I avoid linker errors with my template functions?
How does the C++ keyword export help with template linker errors?
They go into a lot of detail about these (and other) template issues.
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Send message to specific client with socket.io and node.js
... var holder = new socketio.RedisStore; ^ TypeError: undefined is not a function at Object.<anonymous> (C:\Users\Dev\Desktop\nouty-server\server.js:108:14) at Module._compile (module.js:460:26) at Object.Module._extensions..js (module.js:478:10) at ...
How to revert (Roll Back) a checkin in TFS 2010
...st on the files you are attempting to rollback; otherwise you will see the error:
"No changes to roll back."
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How do I measure execution time of a command on the Windows command line?
... FYI - I don't think timeit works on Windows 7 64-bit. You get the error "Unable to query system performance data (c0000004). Instead, use PowerShell's "Measure-Command" like Casey.K suggests: stackoverflow.com/questions/673523/…
– Michael La Voie
Oc...
How to get a index value from foreach loop in jstl
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I get this Uncaught ReferenceError: loop is not defined ` and +1 for your effort
– Java Questions
Sep 16 '13 at 10:46
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Is it better to return null or empty collection?
... or "don't know". We could throw an exception, but it's not necessarily an error condition, and it doesn't necessarily drive us out of the normal program flow.
I've often been frustrated by systems that cannot distinguish between zero and no answer. I've had a number of times where a system has ask...
erb, haml or slim: which one do you suggest? And why? [closed]
...script for JS tags
Cons
whitespace dependent which makes for some hard errors to figure out at times
complex tags usually need to resort to "hash" format. (Although I actually think this is a great example of flexibility to someone starting out it could be a pain.)
added as a gem (again probably...