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string c_str() vs. data()
...orm better than c_str().
strings don't necessarily have to be composed of character data, they could be composed with elements of any type. In those cases data() is more meaningful. c_str() in my opinion is only really useful when the elements of your string are character based.
Extra: In C++11 on...
How to change a string into uppercase
...
It works for char type as well. Thank you for your helpful answer.
– yves Baumes
Jan 16 '16 at 14:01
2
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How can I save application settings in a Windows Forms application?
...gs. Right click on the project in Solution Explorer and choose Properties. Select the Settings tab and click on the hyperlink if settings doesn't exist.
Use the Settings tab to create application settings. Visual Studio creates the files Settings.settings and Settings.Designer.settings that contain...
How to persist a property of type List in JPA?
...<List<String>, String> {
private static final String SPLIT_CHAR = ";";
@Override
public String convertToDatabaseColumn(List<String> stringList) {
return String.join(SPLIT_CHAR, stringList);
}
@Override
public List<String> convertToEntityAttri...
Tetris-ing an array
...in...
Now, if you want only full paths, we need to truncate to the last / character. So:
$prefix = preg_replace('#/[^/]*$', '', commonPrefix($paths));
Now, it may overly cut two strings such as /foo/bar and /foo/bar/baz will be cut to /foo. But short of adding another iteration round to determ...
Is there a generator version of `string.split()` in Python?
...'][')
EDIT: Corrected handling of surrounding whitespace if no separator chars are given.
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Can I use a function for a default value in MySql?
... update previously existing rows, like this:
UPDATE app_users SET uuid = (SELECT uuid());
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Write to .txt file?
...intf("Error opening file!\n");
exit(1);
}
/* print some text */
const char *text = "Write this to the file";
fprintf(f, "Some text: %s\n", text);
/* print integers and floats */
int i = 1;
float py = 3.1415927;
fprintf(f, "Integer: %d, float: %f\n", i, py);
/* printing single chatacters */
ch...
Convert a string representation of a hex dump to a byte array using Java?
...;
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ Character.digit(s.charAt(i+1), 16));
}
return data;
}
Reasons why it is an improvement:
Safe with leading zeros (unlike BigInteger) and wit...
Is there a simple way to convert C++ enum to string?
...
Excellent! Worked as a charm with a simple python script. Thanks.
– Edu Felipe
Oct 14 '08 at 19:43
6
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