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Split a string by a delimiter in python
...g, what is the difference between the first example (simply using split()) and the second example (with a for loop)?
– EndenDragon
Jun 26 '16 at 18:21
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How to switch to the new browser window, which opens after click on the button?
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You can switch between windows as below:
// Store the current window handle
String winHandleBefore = driver.getWindowHandle();
// Perform the click operation that opens new window
// Switch to new window opened
for(String winHandle : driver.getWindowHandles()){
driver.switchTo().window(wi...
Finding the average of a list
...sum(l) / float(len(l))
There is no need to use reduce. It is much slower and was removed in Python 3.
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Scala: what is the best way to append an element to an Array?
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You can use :+ to append element to array and +: to prepend it:
0 +: array :+ 4
should produce:
res3: Array[Int] = Array(0, 1, 2, 3, 4)
It's the same as with any other implementation of Seq.
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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat
...n CityService. Later you add a city1 as a reference to the new Employee e1 and add e1 including this reference to city1 to the context in EmployeeService. As a result you have city1 attached to two different context which is what the exception complains about.
You can fix this by creating a context...
DateTime to javascript date
...ptMilliseconds(DateTime); check in javascript (Press F12 in Google Chrome and go to console) var date = new Date(long); console.log(date.toString());
– Gonen09
Feb 3 at 15:11
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How to run Visual Studio post-build events for debug build only
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Pre- and Post-Build Events run as a batch script. You can do a conditional statement on $(ConfigurationName).
For instance
if $(ConfigurationName) == Debug xcopy something somewhere
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what is the preferred way to mutate a React state?
... edited May 31 '14 at 21:45
Brigand
72.4k1717 gold badges147147 silver badges162162 bronze badges
answered May 31 '14 at 7:46
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Check if list contains any of another list
... performing on larger collections would be to project parameters to source and then use Intersect which internally uses a HashSet<T> so instead of O(n^2) for the first approach (the equivalent of two nested loops) you can do the check in O(n) :
bool hasMatch = parameters.Select(x => x.sour...
What is a thread exit code?
...for this value could interpret it to mean that the thread is still running and continue to test for the completion of the thread after the thread has terminated, which could put the application into an infinite loop.
My understanding of all this is that the exit code doesn't matter all that much...