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map vs. hash_map in C++
I have a question with hash_map and map in C++. I understand that map is in STL, but hash_map is not a standard. What's the difference between the two?
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Is the practice of returning a C++ reference variable evil?
This is a little subjective I think; I'm not sure if the opinion will be unanimous (I've seen a lot of code snippets where references are returned).
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jQuery Validate - require at least one field in a group to be filled
... names as long as there's at least one part number. I think it's better to set rules like require_from_group: [1,".partnumber"] and ...[1,".contactname"] to ensure you're validating the right things.
– Nathan Long
Dec 8 '09 at 17:39
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How to display a specific user's commits in svn log?
How to display a specific user's commits in svn? I didn't find any switches for that for svn log.
11 Answers
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Unfortunately MyApp has stopped. How can I solve this?
...an also check the error by executing an application in debug mode.
Firstly set breakpoint after that by doing:
right click on project->debug as->Android application
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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
I'm looking for a way to dump the structure of an object, similar to the PHP functions print_r and var_dump for debugging reasons.
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Razor view engine, how to enter preprocessor(#if debug)
...omments and mention if you are using precompiled views or anything special set up that could result in your views being partially rendered/executed on another thread!
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Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
Just wondering if .NET provides a clean way to do this:
23 Answers
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How can I see the raw SQL queries Django is running?
...ueries:
from django.db import connection
print(connection.queries)
Querysets also have a query attribute containing the query to be executed:
print(MyModel.objects.filter(name="my name").query)
Note that the output of the query is not valid SQL, because:
"Django never actually interpolates...
how to deal with google map inside of a hidden div (Updated picture)
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I could also suggest a setTimeout delay to call the second function if you are calling a show() to allow for time to resize.
– Eric.18
Mar 15 '17 at 17:50
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