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lexers vs parsers
Are lexers and parsers really that different in theory?
5 Answers
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git remote prune – didn't show as many pruned branches as I expected
...l branches (not tracking branches) are not touched by git remote prune command and should be removed manually.
Now, a real-world example for better understanding:
You have a remote repository with 2 branches: master and feature. Let's assume that you are working on both branches, so as a result yo...
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
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answered May 31 '14 at 7:46
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