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C++ new int[0] — will it allocate memory?
..., even if your request is zero, this allocation happens on the Heap, where one request implies several book keeping operations, like allocating and initializing heap guards before and after the zone given by the allocator, insertion into freelists or other complex horrible structures. Freeing it mea...
Pass arguments to Constructor in VBA
...ess, then you CANNOT forget to initialize the object, and finally there is one concept less on your procedure, which reduces complexity.
– bgusach
Mar 5 '13 at 14:44
...
For every character in string
...(*it);
}
Looping through the characters of a std::string with an old-fashioned for-loop:
std::string str = ???;
for(std::string::size_type i = 0; i < str.size(); ++i) {
do_things_with(str[i]);
}
Looping through the characters of a null-terminated character array:
char* str = ???;
for(char...
Difference between $.ajax() and $.get() and $.load()
...
$.ajax() is the most configurable one, where you get fine grained control over HTTP headers and such. You're also able to get direct access to the XHR-object using this method. Slightly more fine-grained error-handling is also provided. Can therefore be more ...
What's the difference between the 'ref' and 'out' keywords?
...ual reference to someobject gets sent to the method. So you now have only one reference to the data:
(outside method) reference1 => someobject;
(inside method) reference1 => someobject;
But what does this mean? It acts exactly the same as sending someobject not by ref except for two main...
How do I update Node.js?
...
@SimonEast There is an nvm for windows: github.com/coreybutler/nvm-windows
– Phil Hannent
Nov 18 '15 at 10:45
...
Test if a property is available on a dynamic variable
... it has over Try/Catch is solely when the exception is thrown. So what someone should ask before using reflection here - is it likely to be a certain way? 90% or even 75% of the time, will your code pass? Then Try/Catch is still optimal. If its up in the air, or too many choices for one to be most l...
Simple explanation of clojure protocols
...and clojure protocols and what problem they are supposed to solve. Does anyone have a clear explanation of the whats and whys of clojure protocols?
...
What is a wrapper class?
... which "wraps" or "encapsulates" the functionality of another class or component. These are useful by providing a level of abstraction from the implementation of the underlying class or component; for example, wrapper classes that wrap COM components can manage the process of invoking the COM compo...
Multiple file upload in php
...w this is an old post but some further explanation might be useful for someone trying to upload multiple files... Here is what you need to do:
Input name must be be defined as an array i.e.
name="inputName[]"
Input element must have multiple="multiple" or just multiple
In your PHP file use the syn...