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What's a good way to extend Error in JavaScript?
...e object that is being thrown. Those things are guaranteed to be correct.
Test cases I used can be found here: JavaScript self-made Error object comparison.
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Check if user is using IE
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/Edge\/|Trident\/|MSIE /.test(window.navigator.userAgent) I know this works on 10 and 11. If you can verify <IE9 and Edge, edit answer.
– Indolering
May 5 '15 at 23:59
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Select first row in each GROUP BY group?
...Example.
If total can be NULL, you most probably want the row with the greatest non-null value. Add NULLS LAST like demonstrated. See:
Sort by column ASC, but NULL values first?
The SELECT list is not constrained by expressions in DISTINCT ON or ORDER BY in any way. (Not needed in the simple case ...
How to access test resources in Scala?
I have a file data.xml in src/test/resources/ .
5 Answers
5
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Should you always favor xrange() over range()?
...fixer: idioms
RefactoringTool: Skipping implicit fixer: ws_comma
--- range_test.py (original)
+++ range_test.py (refactored)
@@ -1,7 +1,7 @@
for x in range(20):
- a=range(20)
+ a=list(range(20))
b=list(range(20))
c=[x for x in range(20)]
d=(x for x in range(20))
- e=xrange(...
What's the difference between URI.escape and CGI.escape?
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Thanks a lot for the info. It sure got rid of some hoe testing warnings. A rake and a hoe look out below.
– Douglas G. Allen
Sep 24 '14 at 7:18
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Android studio: new project vs new module
... Android, it means one project per app, and one module per library and per test app.
There are multiple issues if you try to build multiple apps within the same project. It's possible, but if you try (like I did), you will see that almost everything is designed to work with a single app per project...
How can I compare two lists in python and return matches
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A quick performance test showing Lutz's solution is the best:
import time
def speed_test(func):
def wrapper(*args, **kwargs):
t1 = time.time()
for x in xrange(5000):
results = func(*args, **kwargs)
t2 = ...
Ignore files that have already been committed to a Git repository [duplicate]
...der version control from git.
I.e. if you've already added a file called test.txt using git-add, then adding test.txt to .gitignore will still cause changes to test.txt to be tracked.
You would have to git rm test.txt first and commit that change. Only then will changes to test.txt be ignored.
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti
Should I test if something is valid or just try to do it and catch the exception?
8 Answers
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