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Ways to iterate over a list in Java
... if you do it through the remove method of the iterator itself. With index-based iteration, you are free to modify the list in any way. However, adding or removing elements that come before the current index risks having your loop skipping elements or processing the same element multiple times; you ...
How to execute shell command in Javascript
...
Note: These answers are from a browser based client to a Unix based web server.
Run command on client
You essentially can't. Security says only run within a browser and its access to commands and filesystem is limited.
Run ls on server
You can use an AJAX call...
What is the fastest way to compare two sets in Java?
...h sorted in the same order
The following code assumes that both sets are based on the records comparable. A similar method could be based on on a Comparator.
public class SortedSetComparitor <Foo extends Comparable<Foo>>
implements Comparator<SortedSet<Foo>&...
For every character in string
...
Looping through the characters of a std::string, using a range-based for loop (it's from C++11, already supported in recent releases of GCC, clang, and the VC11 beta):
std::string str = ???;
for(char& c : str) {
do_things_with(c);
}
Looping through the characters of a std::stri...
C#: Looping through lines of multiline string
... for StringReader
string textReaderText = "TextReader is the abstract base " +
"class of StreamReader and StringReader, which read " +
"characters from streams and strings, respectively.\n\n" +
"Create an instance of TextReader to open a text file " +
"for readi...
How to check if variable is string with python 2 and 3 compatibility
... in python-2.x? Or will I need to check the version and use isinstance(x, basestr) ?
10 Answers
...
What is a “feature flag”?
... various types of toggle strategies. DevCookie supports the mainline/trunk-based strategy and is called a "Release Toggle" in the article.
Adil's answer highlights that there are many terms and reasons why you might want some of this infrastructure. Keep in mind you may only need some of these thi...
Difference between ObservableCollection and BindingList
...ervableCollection<T> is typically derived for the same reason as its base Collection<T> class: for customizing add/remove items (eg. in a data model collection) rather than adjusting binding features.
Copy vs. wrapping
Both ObservableCollection<T> and BindingList<T> have a...
sed in-place flag that works both on Mac (BSD) and Linux
... Linux or BSD distributions that don't include some version of Perl in the base system. One of the only environments that might actually lack Perl would be BusyBox (which works like GNU/Linux for -i, except that no backup extension can be specified).
As ismail recommends,
Since perl is availa...
Replace a string in a file with nodejs
...place-in-file to quickly replace text in one or more files. It's partially based on @asgoth's answer.
Edit (3 October 2016): The package now supports promises and globs, and the usage instructions have been updated to reflect this.
Edit (16 March 2018): The package has amassed over 100k monthly do...