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xUnit.net: Global setup + teardown?
...teardown extension point. However, it is easy to create one. Just create a base test class that implements IDisposable and do your initialization in the constructor and your teardown in the IDisposable.Dispose method. This would look like this:
public abstract class TestsBase : IDisposable
{
pr...
Selecting/excluding sets of columns in pandas [duplicate]
I would like to create views or dataframes from an existing dataframe based on column selections.
9 Answers
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Most efficient way to concatenate strings in JavaScript?
...
Seems based on benchmarks at JSPerf that using += is the fastest method, though not necessarily in every browser.
For building strings in the DOM, it seems to be better to concatenate the string first and then add to the DOM, rath...
Python + Django page redirect
...o 1.5. Use 'RedirectView' instead: docs.djangoproject.com/en/1.5/ref/class-based-views/base/…
– Yonatan
Apr 29 '13 at 23:42
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What's the difference between Perl's backticks, system, and exec?
...t, and don't want to wait for it to return. system is really just
sub my_system {
die "could not fork\n" unless defined(my $pid = fork);
return waitpid $pid, 0 if $pid; #parent waits for child
exec @_; #replace child with new process
}
You may also want to read the waitpid and perli...
What are the differences between Deferred, Promise and Future in JavaScript?
...es from [Functional Reactive Programming|haskell.org/haskellwiki/Functional_Reactive_Programming], which is a technique for flattening callbacks."
– fncomp
Feb 11 '13 at 5:32
2
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What effect(s) can the virtual keyword have in Entity Framework 4.1 POCO Code First?
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properties that are persisted.
Finally, you must declare collection
based relationship navigation
properties as ICollection<T> only.
They cannot be a concrete
implementation or another interface
that derives from ICollection<T> (a
difference from the Deferred Loading
p...
Start an Activity with a parameter
...e do not control the Intent which launches the Activity.
You can create a base-class Activity that has a constructor with a parameter, then a derived class that has a default constructor which calls the base-class constructor with a value, as so:
class BaseActivity extends Activity
{
public Ba...
Integrate ZXing in Android Studio
...tIntegrator(this);
integrator.setDesiredBarcodeFormats(IntentIntegrator.ONE_D_CODE_TYPES);
integrator.setPrompt("Scan a barcode");
integrator.setCameraId(0); // Use a specific camera of the device
integrator.setBeepEnabled(false);
integrator.setBarcodeImageEnabled(true);
integrator.initiateScan();
...
How to join absolute and relative urls?
...
es = ['http://127.0.0.1', 'test1', 'test4', 'test6.xml']
base = ''
map(lambda e: urlparse.urljoin(base, e), es)
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