If a variable of a POD type isn′t initialized explicitly and doesn′t have an initializer by default, its value will be undefined. Usage of such value will lead to undefined behavior.
I guess the habit comes from the C++ era where you could prohibit reference content from being changed by doing a const char const *. I feel this kind of stuff makes you believe the developer is inherently stupid as f*** and needs to be protected against truly every character...
The object was created on the "stack", and it will be destroyed once it goes out of scope. You can even return the object, thus transfering its contents to the calling function. You can pass the object to functions (typically as a reference or const-reference: void SomeFunc(std::string...
<message> This error could also be due to mixing a file reference to '<filename1>' in project '<projectname1>' with a file reference to '<filename2>' in project '<projectname2>' <message> This error could also be due to mixing a file reference with a project reference to as...
This intrinsic should be used multiple times, with addresses of 16-byte blocks passed as the parameter, until each cache line is read. Only then should the next cache line be started. Since there are a few streaming read buffers it might be possible to read from two memory locations at on...
'array']2) If an array is passed in, join each element with spaces and return the resulting string:splitOrJoin(['join', 'this', 'into', 'a', 'string']); // 'join this into a string'*/// Now your first instinct might be to write something with a ternaryconstsplitOrJoin=input...
// First, you can define how many instances should be started at the same time. Let's // say you have 3 different capabilities (Chrome, Firefox, and Safari) and you have // set maxInstances to 1; wdio will spawn 3 processes. Therefore, if you have 10 spec ...
It also reduces readability, as it becomes hard to track which objects are being passed around by value as opposed to by reference, and therefore where changes to an object are reflected. Decision: Few classes need to be copyable. Most should have neither a copy constructor nor an assignment...
Case 1: Useselfcan be used for class constants class classA { const FIXED_NUMBER = 4; self::POUNDS_TO_KILOGRAMS } If you want to call it outside of the class, useclassA::POUNDS_TO_KILOGRAMSto access the constants Case 2: For static properties ...
Expressions of const reference type can only be assigned to const variables, or passed as const arguments to methods, of compatible reference types. An expression of const reference type cannot be cast to a compatible non-const (see the Cast Expressions section below). Consider the following ...