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Printing hexadecimal characters in C
... character types (int8_t, etc) are defined in the header <cinttypes>(C++) or <inttypes.h> (C) (although PRIdMAX, PRIuMAX, etc is synonymous with %jd, %ju, etc).
As for his point about signed vs unsigned, in this case it does not matter since the values must always be positive and easily...
What is the difference between Type and Class?
... and objects of different classes can
have the same type.
//example in c++
template<typename T>
const T & max(T const & a,T const &b)
{
return a>b?a:b; //> operator of the type is used for comparison
}
max function requires a type with operation > with its own type...
“var” or no “var” in JavaScript's “for-in” loop?
...
is a commonly seen pattern but it's different from
for(int i; ...)
in C++ in that that the variable isn't scoped to the for block. In fact, the var gets hoisted to the top of the enclosing scope (function) so a local i will be effectively available both before the for loop (after the beginning...
GoogleTest: How to skip a test?
Using Google Test 1.6 (Windows 7, Visual Studio C++). How can I turn off a given test? (aka how can I prevent a test from running). Is there anything I can do besides commenting out the whole test?
...
Is there a point to minifying PHP?
...acebook introduced a compiler named HipHop that transforms PHP source into C++ code. Rasmus Lerdorf, one of the big PHP guys did a presentation for Digg earlier this year that covers the performance improvements given by HipHop. In short, it's not too much faster than optimizing code and using a b...
When should I make explicit use of the `this` pointer?
...of code. Such as:
Student st;
st.SetAge (21).SetGender (male).SetClass ("C++ 101");
Some consider this consise, others consider it an abomination. Count me in the latter group.
3) No Alternative: To resolve names in dependant types. This comes up when using templates, as in this example:
#in...
Swift - which types to use? NSString or String
... talked about at WWDC. In the past everyone worried about performance used C++ string and containers to get static dispatching.
– Lothar
Jun 4 '14 at 13:38
add a comment
...
Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
...s and converts them to assembly. It's the actual part that compiles C. For C++, there's cc1plus, and other internal commands for different languages.
taken from this answer by Alan Shutko.
Solution for: Ubuntu / Linux Mint
sudo apt-get update
sudo apt-get install --reinstall build-essential
Soluti...
How to change int into int64?
...was doing (int64)i, it din't work, old habit from clang. This reverse from C++ worked.
– Manohar Reddy Poreddy
Jul 29 '15 at 9:35
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How to make a JTable non-editable
...Table(my_rows, my_header);
for (int c = 0; c < table.getColumnCount(); c++)
{
Class<?> col_class = table.getColumnClass(c);
table.setDefaultEditor(col_class, null); // remove editor
}
Without editors, data will be not editable.
...