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How to get the number of Characters in a String?
How can I get the number of characters of a string in Go?
7 Answers
7
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Regular expression for letters, numbers and - _
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Put the - first in the set, to avoid defining a range. And \w covers alphanumerics and underscore. So you need [\w.-]+.
– Richard
Jun 12 '10 at 12:27
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How do I clear only a few specific objects from the workspace?
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A useful way to remove a whole set of named-alike objects:
rm(list = ls()[grep("^tmp", ls())])
thereby removing all objects whose name begins with the string "tmp".
Edit: Following Gsee's comment, making use of the pattern argument:
rm(list = ls(patte...
Interface vs Abstract Class (general OO)
...ve had recently two telephone interviews where I've been asked about the differences between an Interface and an Abstract class. I have explained every aspect of them I could think of, but it seems they are waiting for me to mention something specific, and I don't know what it is.
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conversion from string to json object android
I am working on an Android application. In my app I have to convert a string to Json Object, then parse the values. I checked for a solution in stackoverflow and found similar issue here link
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jQuery attr vs prop?
... @Hailwood It won't, because you got /test/ when access to attr, and then set /test/1 to attr, which is attr of the element. There aren't any procedure that triggers normalization.
– Haocheng
Nov 6 '12 at 8:59
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Can you animate a height change on a UITableViewCell when selected?
... track of the selected cell
@property (nonatomic) int currentSelection;
Set it to a sentinel value in (for example) viewDidLoad, to make sure that the UITableView starts in the 'normal' position
- (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view....
Should I use 'has_key()' or 'in' on Python dicts?
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@AdamParkin In Python 3, keys() is just a set-like view into a dictionary rather than a copy, so x in d.keys() is O(1). Still, x in d is more Pythonic.
– Arthur Tacca
Aug 1 '18 at 8:48
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Getting name of windows computer running python script?
...computers on my network that will be running a python script. A different set of configuration options should be used in the script depending on which computer is running this script.
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How to create an array from a CSV file using PHP and the fgetcsv function
...e, 1024);
}
fclose($file_handle);
return $line_of_text;
}
// Set path to CSV file
$csvFile = 'test.csv';
$csv = getdata($csvFile);
echo '<pre>';
print_r($csv);
echo '</pre>';
Array
(
[0] => Array
(
[0] => Project
[1] => Date
...