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If unit testing is so great, why aren't more companies doing it? [closed]
... they wanted to get going with "in the future"; basically when money falls from the sky.
37 Answers
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Convert a list of data frames into one data frame
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Use bind_rows() from the dplyr package:
bind_rows(list_of_dataframes, .id = "column_label")
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Timertask or Handler
...ndroid examples that I have seen is at Codepath. Here is a Handler example from there for a repeating task.
// Create the Handler object (on the main thread by default)
Handler handler = new Handler();
// Define the code block to be executed
private Runnable runnableCode = new Runnable() {
@Ove...
plot a circle with pyplot
...nd since the limits have never been set, they defaults to an x and y range from 0 to 1.
Here's a continuation of the example, showing how units matter:
circle1 = plt.Circle((0, 0), 2, color='r')
# now make a circle with no fill, which is good for hi-lighting key results
circle2 = plt.Circle((5, 5)...
I want to get the type of a variable at runtime
...sTag example, but uses an anonymous variable.
One can also get a ClassTag from a value's Class, like this:
val x: Any = 5
val y = 5
import scala.reflect.ClassTag
def f(a: Any, b: Any) = {
val B = ClassTag(b.getClass)
ClassTag(a.getClass) match {
case B => "a is the same class as b"
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How to parse a query string into a NameValueCollection in .NET
...custom examples because of the accepted answer's dependency on System.Web. From the Microsoft.AspNet.WebApi.Client NuGet package there is a UriExtensions.ParseQueryString, method that can also be used:
var uri = new Uri("https://stackoverflow.com/a/22167748?p1=6&p2=7&p3=8");
NameValueCollec...
android - How to set the Rating bar is non clickable and touchable in HTC mobile
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You could also set the RatingBar as indicator from the xml with the following:
android:isIndicator="true"
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Skip certain tables with mysqldump
Is there a way to restrict certain tables from the mysqldump command?
10 Answers
10
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Unable to forward search Bash history similarly as with CTRL-r
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You can search forward as well. From the bash info manual, "8.2.5 Searching for Commands in the History":
To search backward in the history for a particular string, type C-r.
Typing C-s searches forward through the history.
The problem with Ctrl-S h...
Dynamically replace the contents of a C# method?
...e trampoline of the original method that points to the assembler generated from compiling the dynamic method. This works for 32/64Bit on Windows, macOS and any Linux that Mono supports.
Documentation can be found here.
Example
(Source)
Original Code
public class SomeGameClass
{
private bool...