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What is the effect of extern “C” in C++?
...o have a certain linkage:
extern "C" void foo(int);
extern "C"
{
void g(char);
int i;
}
If you care about the technicalities, they are listed in section 7.5 of the C++03 standard, here is a brief summary (with emphasis on extern "C"):
extern "C" is a linkage-specification
Every compiler is r...
Difference between String#equals and String#contentEquals methods
...ce of a String. The String#contentEquals() only compares the contents (the character sequence) and does not check if the other object is also an instance of String. It can be anything as long as it is an implementation of CharSequence which covers a.o. String, StringBuilder, StringBuffer, CharBuffer...
Remove non-utf8 characters from string
Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
...
Repeating characters in VIM insert mode
Is there a way of repeating a character while in Vim's insert mode? For example, say I would like to insert 80 dashes, in something like emacs I would type:
...
In C# what is the difference between ToUpper() and ToUpperInvariant()?
...d to hear that there are various other capitalization issues around elided characters etc. This is just one example I know off the top of my head... partly because it bit me years ago in Java, where I was upper-casing a string and comparing it with "MAIL". That didn't work so well in Turkey...
...
C library function to perform sort
...return 1;
if (f < s) return -1;
return 0;
}
int main(int argc, char* argv[])
{
int x[] = {4,5,2,3,1,0,9,8,6,7};
qsort (x, sizeof(x)/sizeof(*x), sizeof(*x), comp);
for (int i = 0 ; i < 10 ; i++)
printf ("%d ", x[i]);
return 0;
}
...
How to set java_home on Windows 7?
... installation path:
Right-click the My Computer icon on your desktop and select Properties.
Click the Advanced tab, then click the Environment Variables button.
Under System Variables, click New.
Enter the variable name as JAVA_HOME.
Enter the variable value as the installation path for the Java ...
max value of integer
...numbers as they were unsigned (that is, handling all bits correctly).
The character data type char is 16 bits wide, unsigned, and holds characters using UTF-16 encoding (however, it is possible to assign a char an arbitrary unsigned 16 bit integer that represents an invalid character codepoint)
...
Can I escape html special chars in javascript?
...lay a text to HTML by a javascript function. How can I escape html special chars in JS? Is there an API ?
15 Answers
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Converting string to title case
I have a string which contains words in a mixture of upper and lower case characters.
23 Answers
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