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Initializing a static std::map in C++
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Every time I see something like that done with C++, I think of all the horrendous template code that must be behind it. Good example!
– Greg Hewgill
Sep 26 '08 at 10:22
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Ways to save enums in database
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@LuisGouveia I agree with you that the time could double. Causing a query that takes 12.37 ms to instead take 12.3702 ms. That's what i mean by "in the noise". You run the query again and it takes 13.29 ms, or 11.36 ms. In other words, the randomness of the thread...
python setup.py uninstall
..., you have installed (and which were detected by pip).
The name can be sometime long, then use just the name of the package being shown at the and after #egg=. You can also in most cases ignore the version part (whatever follows == or -).
Then uninstall the package:
$ pip uninstall package.name.yo...
Sorted collection in Java
...ng Collections.sort(...) is that this will maintain a partial order at all times, with O(log(n)) insertion performance, by using a heap data structure, whereas inserting in a sorted ArrayList will be O(n) (i.e., using binary search and move).
However, unlike a List, PriorityQueue does not support i...
How to use the “number_to_currency” helper method in the model rather than view?
...roller::Base.helpers.pluralize. Now you can use helpers.pluralize multiple times, without repeating the long module paths.
So I suppose the answer to this particular question could be:
class Job < ActiveRecord::Base
include JobsHelper
def details
return "Only " + helpers.to_dollar(part_...
Downloading a picture via urllib and python
...n, the extension of the file would be appended. It made sense to me at the time, but I think now I understand what's happening.
– JeffThompson
Nov 3 '14 at 11:41
68
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Relative paths based on file location instead of current working directory [duplicate]
... make your shell script work independent of where you invoke it from. Each time you run it, it will be as if you were running ./cat.sh inside dir.
Note that this script only works if you're invoking the script directly (i.e. not via a symlink), otherwise the finding the current location of the scri...
Why is SQL Server 2008 Management Studio Intellisense not working?
...d the file as advised here and it fixed the problem. You saved me lots of time, thank you!
– AndyM
Jul 22 '11 at 11:56
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Test for existence of nested JavaScript object key
...ar if you want to prevent the overhead of creating a new empty object each time. In 99% of cases I would not expect speed to matter, and in cases where it does there is no substitute for profiling.
– Gabe Moothart
Sep 5 '13 at 18:13
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Can two applications listen to the same port?
...P, no. You can only have one application listening on the same port at one time. Now if you had 2 network cards, you could have one application listen on the first IP and the second one on the second IP using the same port number.
For UDP (Multicasts), multiple applications can subscribe to the sam...