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What is java interface equivalent in Ruby?
...s is very useful in unit tests, where you can simply pass in an Array or a String instead of a more complicated Logger, even though Array and Logger do not share an explicit interface apart from the fact that they both have a method called <<.
Another example is StringIO, which implements the ...
How does the Google “Did you mean?” Algorithm work?
...arches that have the shortest Levenshtein distance from the entered search string, then pick the one with the most results.
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Is there a C++ gdb GUI for Linux? [closed]
...same keyboard shortcuts. It seems to handle templates well, at least std::string and std::map. Attaching to existing processes and core dumps seems to be supported, though I haven't tested it yet.
Keep in mind that I used it for less than and hour now, but I'm impressed so far.
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In which scenario do I use a particular STL container?
...ous memory (like a C array gives), then you can only use vector, array, or string.
Use array if the size is known at compile time.
Are there best practices for (Java) package organization? [closed]
...te as possible. If you have a package called 'utils' with 20 classes, move StringUtils to support/string, HttpUtil to support/http and so on.
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Use Expect in a Bash script to provide a password to an SSH command
... starting with a dash (-) will fail otherwise.
The above won't interpret a string starting with a dash as an option to the send command.
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Setting HttpContext.Current.Session in a unit test
... var httpRequest = new HttpRequest("", "http://example.com/", "");
var stringWriter = new StringWriter();
var httpResponse = new HttpResponse(stringWriter);
var httpContext = new HttpContext(httpRequest, httpResponse);
var sessionContainer = new HttpSessionStateContainer("id", new S...
How to get the first non-null value in Java?
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I was looking for the same but for strings, and found out that there are SpringUtils.firstNonBlank(T...) and SpringUtils.firstNonBlank(T...) methods.
– kodlan
Jul 29 at 17:23
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How to make an element in XML schema optional?
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Try this
<xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="1" />
if you want 0 or 1 "description" elements, Or
<xs:element name="description" type="xs:string" minOccurs="0" maxOccurs="unbounded" />
if you want 0 to infinity number of "de...
EditText maxLines not working - user can still input more lines than set
...eyEvent.ACTION_UP) {
// get EditText text
String text = ((EditText) v).getText().toString();
// find how many rows it cointains
int editTextRowCount = text.split("\\n").length;
// user has input more than limited - le...