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Objective-C - Remove last character from string
...ring length] - 1];
} else {
//no characters to delete... attempting to do so will result in a crash
}
If you want a fancy way of doing this in just one line of code you could write it as:
string = [string substringToIndex:string.length-(string.length>0)];
*Explanation of fancy one...
Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...ith dividing data such that neither variance is too high, which is more to do with the absolute number of instances in each category rather than the percentage.
If you have a total of 100 instances, you're probably stuck with cross validation as no single split is going to give you satisfactory var...
Can I exclude some concrete urls from inside ?
...
The standard Servlet API doesn't support this facility. You may want either to use a rewrite-URL filter for this like Tuckey's one (which is much similar Apache HTTPD's mod_rewrite), or to add a check in the doFilter() method of the Filter listening ...
How to convert a Title to a URL slug in jQuery?
...make a field on a form dynamically generate the URL slug. What I'd like to do is remove the punctuation, convert it to lowercase, and replace the spaces with hyphens. So for example, Shane's Rib Shack would become shanes-rib-shack.
...
Append TimeStamp to a File Name
...tiple versions of the same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.') .
Is there a better way to do this?
...
How to generate string of a certain length to insert into a file to meet a file size criteria?
...quirement to test some load issues with regards to file size. I have a windows application written in C# which will automatically generate the files. I know the size of each file, ex. 100KB, and how many files to generate. What I need help with is how to generate a string less than or equal to th...
C++ performance challenge: integer to std::string conversion
... segfault), but should work very nicely otherwise.
One important thing to do is to minimize the use of std::string. (Ironic, I know.) In Visual Studio, for example, most calls to methods of std::string are not inlined, even if you specify /Ob2 in compiler options. So even something as trivial as a ...
Differences between fork and exec
...et a new program running as a child of a current process. Shells typically do this whenever you try to run a program like find - the shell forks, then the child loads the find program into memory, setting up all command line arguments, standard I/O and so forth.
But they're not required to be used ...
What is the difference between null and undefined in JavaScript?
... edited May 1 '18 at 8:14
Donald Duck
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answered Feb 22 '11 at 10:31
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How to handle WndProc messages in WPF?
In Windows Forms, I'd just override WndProc , and start handling messages as they came in.
9 Answers
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