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Useful code which uses reduce()? [closed]
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The other uses I've found for it besides + and * were with and and or, but now we have any and all to replace those cases.
foldl and foldr do come up in Scheme a lot...
Here's some cute usages:
Flatten a list
Goal: turn [[1, 2, 3], [4, 5], [6, 7,...
What's the best way to iterate over two or more containers simultaneously
C++11 provides multiple ways to iterate over containers. For example:
10 Answers
10
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Add number of days to a date
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strtotime
expects to be given a string containing a US English date format and will try to parse that format into a Unix timestamp (the number of seconds since January 1 1970 00:00:00 UTC), relative to the timestamp given in now, or the current time if now is not supplied.
while date
Re...
What is difference between Errors and Exceptions? [duplicate]
How can I differentiate between Errors and Exceptions in Java?
4 Answers
4
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What's the difference between ViewData and ViewBag?
...feature. It achieves the same goal as viewdata and should be avoided in favor of using strongly typed view models (the same way as viewdata should be avoided).
So basically it replaces magic strings:
ViewData["Foo"]
with magic properties:
ViewBag.Foo
for which you have no compile time safety....
Break when a value changes using the Visual Studio debugger
...dited Apr 8 '16 at 14:57
Peter Mortensen
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answered Oct 1 '08 at 22:36
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How to remove all null elements from a ArrayList or String Array?
...singleton(null));
Read the Java API. The code will throw java.lang.UnsupportedOperationException for immutable lists (such as created with Arrays.asList); see this answer for more details.
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What to put in a python module docstring? [closed]
...I've read both PEP 8 and PEP 257 , and I've written lots of docstrings for functions and classes, but I'm a little unsure about what should go in a module docstring. I figured, at a minimum, it should document the functions and classes that the module exports, but I've also seen a few modules th...
How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]
.gitignore can ignore whole files, but is there a way to ignore specific lines of code while coding?
2 Answers
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Fatal Error: Allowed Memory Size of 134217728 Bytes Exhausted (CodeIgniter + XML-RPC)
...that periodically send new sales data to one centralized database, which stores the data into one big database for report generation.
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