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Hide Utility Class Constructor : Utility classes should not have a public or default constructor
...d or instantiate this class. So what? Why is this critical? Can cause some errors? Or why should I even use tools like PowerMock to test a never used private constructor, just to fulfill the requirements of Sonar and my code coverage tool?
– Sergej Werfel
Oct 2...
HTTP 404 Page Not Found in Web Api hosted in IIS 7.5
...g dev server. But I now deployed it to IIS 7.5 and I am getting a HTTP 404 error when trying to access the application.
34 ...
How can I avoid running ActiveRecord callbacks?
... its not working for me. I am using rails 3. i am getting an error like this:--undefined method `update_without_callbacks' for #<User:0x10ae9b848>
– Mohit Jain
Oct 18 '10 at 4:17
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When is std::weak_ptr useful?
...k = shared_from_this();
timer_.async_wait( [weak](const boost::system::error_code& ec)
{
auto self = weak.lock();
if (self)
{
self->handleTimeout();
}
else
{
std::cout << "Target object no longer exists!\n";...
What are the differences between a HashMap and a Hashtable in Java?
...ow.
– anon58192932
Oct 14 '16 at 20:05
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Django filter versus get for single object?
...None(MyModel, id=1)
if not obj:
#omg the object was not found do some error stuff
share
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improve this answer
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dynamic_cast and static_cast in C++
... types are related. If the types are not related, you will get a compiler error. For example:
class B {};
class D : public B {};
class X {};
int main()
{
D* d = new D;
B* b = static_cast<B*>(d); // this works
X* x = static_cast<X*>(d); // ERROR - Won't compile
return 0;
}
d...
Getting scroll bar width using JavaScript [duplicate]
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If you have a error: Uncaught TypeError: Cannot read property 'appendChild' of null This could be fixed with next code line: if (document.body == null) return 0; before document.body.appendChild(outer);
– Andriyun...
How to declare an array in Python?
...ded by 3. If you attempt to do the same thing with a list, you will get an error. So, arrays are more efficient for large datasets of numbers.
– Matthew
Jul 14 '19 at 2:30
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How are VST Plugins made?
...ath, following the OSX tutorial exactly did not yield results for me, only errors.
– Seph Reed
Dec 4 '17 at 22:55
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