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Convert char to int in C and C++
How do I convert a char to an int in C and C++?
12 Answers
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const char * const versus const char *?
...ally be appropriate here, but perhaps the verbosity put off the developer.
char* the_string : I can change which char the_string points to, and I can modify the char to which it points.
const char* the_string : I can change which char the_string points to, but I cannot modify the char to which it po...
Can I embed a custom font in an iPhone application?
...Full name" of the font, which is visible by opening it up in Font Book and selecting: Preview --> Show Font Info
– electromaggot
Nov 20 '11 at 8:16
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SQL/mysql - Select distinct/UNIQUE but return all columns?
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You're looking for a group by:
select *
from table
group by field1
Which can occasionally be written with a distinct on statement:
select distinct on field1 *
from table
On most platforms, however, neither of the above will work because the behavior o...
How do I repeat an edit on multiple lines in Vim?
...al block by using
" allow the . to execute once for each line of a visual selection
vnoremap . :normal .<CR>
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Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this:
8 Answers
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Difference between char* and const char*?
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char* is a mutable pointer to a mutable character/string.
const char* is a mutable pointer to an immutable character/string. You cannot change the contents of the location(s) this pointer points to. Also, compilers are requi...
What is the difference between char s[] and char *s?
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The difference here is that
char *s = "Hello world";
will place "Hello world" in the read-only parts of the memory, and making s a pointer to that makes any writing operation on this memory illegal.
While doing:
char s[] = "Hello world";
puts the...
Copying data from one SQLite database to another
...rt Into commands for the tables you want to transfer.
INSERT INTO X.TABLE SELECT * FROM Y.TABLE;
Or, if the columns are not matched up in order:
INSERT INTO X.TABLE(fieldname1, fieldname2) SELECT fieldname1, fieldname2 FROM Y.TABLE;
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Removing a list of characters in string
I want to remove characters in a string in python:
18 Answers
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