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What's the difference between “static” and “static inline” function?
...te) source code cannot go in headers without causing multiple redefinition errors. So even when declaring something inline, even if the compiler chooses not to inline it, there is still a standard-mandated multiple-redefinition avoiding behavior that kicks in.
– VoidStar
...
How to define a List bean in Spring?
...ould do this with the util:list but couldn't get it work due to conversion errors.
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Throw keyword in function's signature
...t since it's not checked by the compiler in a reasonable way it's prone to errors and therefore not worth a lot.
– sth
Jun 9 '13 at 15:42
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How to unit test an object with database queries
... tests. You can also do that before every test – it'll be slow, but less error prone.
Inject the database. (Example in pseudo-Java, but applies to all OO-languages)
class Database {
public Result query(String query) {... real db here ...}
}
class MockDatabase extends Database {
public Result ...
AngularJS with Django - Conflicting template tags
...idWidgets.visible()))
with Firefox (10.0.2) on Mac I got a terribly long error instead of the intended logic. <[]> went well for me, at least up until now.
Edit 2012-03-29:
Please note that $invalidWidgets is deprecated. However I'd still use another wrapper than double braces. For any angu...
总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...eX* 和 CBaseY*之间的转换
CBaseX* pX = new CBaseX();
// Error, types pointed to are unrelated
// 错误， 类型指向是无关的
// CBaseY* pY1 = static_cast<CBaseY*>(pX);
// Compile OK, but pY2 is not CBaseX
// 成功编译, 但是 pY2 不是CBaseX
...
What is the use of the %n format specifier in C?
...
For some reason the sample raises error with note n format specifies disabled. What's the reason?
– Johnny_D
Jul 20 '14 at 19:46
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When to use symbols instead of strings in Ruby?
...
@andrewcockerham Your provided link is not working (Error-404). You have to remove last / (after strings ) from the link. Here it is: www.reactive.io/tips/2009/01/11/the-difference-between-ruby-symbols-and-strings
– Atul Khanduri
Oc...
High Quality Image Scaling Library [closed]
... < 0) || (quality > 100))
{
//create the error message
string error = string.Format("Jpeg image quality must be between 0 and 100, with 100 being the highest quality. A value of {0} was specified.", quality);
//throw a helpful except...
Assign same value to multiple variables at once?
...word & using this method
$c = 1234;
$a = $b = &$c; // no syntax error
// $a is passed by value. $b is passed by reference of $c
$a = &$b = &$c; // syntax error
$a = &($b = &$c); // $b = &$c is okay.
// but $a = &(...) is error because you can not pass by referen...