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Read input from console in Ruby?
... personally like
using the method gets. When you use gets, it gets the string
that you typed, and that includes the ENTER key that you pressed
to end your input.
name = gets
"mukesh\n"
You can see this in irb; type this and you will see the \n, which is the “newline” character ...
Can Mockito capture arguments of a method called multiple times?
...reating a class that implements ArgumentMatcher<T>. Overriding the toString method in your implementation will provide any message you want in the mockito test output.
– Noah Solomon
Sep 26 '19 at 19:25
...
Why is a round-trip conversion via a string not safe for a double?
...amp;number, &dTest);
if (dTest == value) {
gc.refRetVal = NumberToString(&number, 'G', DOUBLE_PRECISION, gc.numfmt);
goto lExit;
}
DoubleToNumber(value, 17, &number);
DoubleToNumber is pretty simple -- it just calls _ecvt, which is in the C runtime:
void DoubleToNumber(doubl...
How to “properly” create a custom object in JavaScript?
...languages, albeit with slightly clumsier syntax. You can sprinkle in a few extra features if you like. Maybe you want makeSubclass to take and remember a class name and provide a default toString using it. Maybe you want to make the constructor detect when it has accidentally been called without the...
Maven2 property that indicates the parent directory
...lt;source>
import java.io.File;
String p = project.properties['env-properties-file'];
File f = new File(p);
if (!f.exists()) {
f = new File("../" + p);
if (!f.exists())...
ActionLink htmlAttributes
...k("Edit", "edit", "markets",
new { id = 1 },
new Dictionary<string, object> { { "class", "ui-btn-right" }, { "data-icon", "gear" } });
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?
...ch as UTF-8, which the Python runtime will use whenever it has to decode a string buffer to unicode.
This function is only available at Python start-up time, when Python scans the environment. It has to be called in a system-wide module, sitecustomize.py, After this module has been evaluated, the...
Is non-blocking I/O really faster than multi-threaded blocking I/O? How?
...quest as done and set an event that signals the callers thread. Even if an extra thread was required the OS would be able to use that thread for multiple IO requests from multiple threads.
– Werner Henze
Nov 26 '15 at 9:00
...
Python Pandas merge only certain columns
...g from the proposed answer: list('xab') takes each element (letter) of the string 'xab' and converts it to a list element so list('xab') returns ['x', 'a', 'b']. That works if each column has a single letter as a name. In your case I think you need to do df1.merge(df2['Unique_External_Users'], *othe...
What are some compelling use cases for dependent method types?
... type Resource <: BasicResource
trait BasicResource {
def hash : String
def duplicates(r : Resource) : Boolean
}
def create : Resource
// Test methods: exercise is to move them outside ResourceManager
def testHash(r : Resource) = assert(r.hash == "9e47088d")
def testDuplic...