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In what cases do I use malloc and/or new?
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@DeadMG: If one is creating an array for use by an asynchronous API function, wouldn't new[] be much safer than std::vector? If one uses new[], the only way the pointer would become invalid would be via explicit delete, whereas the memory allocated for an std::vector c...
What is the use of join() in Python threading?
...sy ascii-art to demonstrate the mechanism:
The join() is presumably called by the main-thread. It could also be called by another thread, but would needlessly complicate the diagram.
join-calling should be placed in the track of the main-thread, but to express thread-relation and keep it as simple ...
How to get the last N rows of a pandas DataFrame?
... pandas dataframe df1 and df2 (df1 is vanila dataframe, df2 is indexed by 'STK_ID' & 'RPT_Date') :
3 Answers
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Where do you store your salt strings?
...nning the calculations for brute-forcing the hash), thus the argument that by knowing the salt someone could "generate a rainbow table" is spurious.
There's no real point in storing salts in a separate file as long as they're on a per-user basis - the point of the salt is simply to make it so that ...
Application_Error not firing when customerrors = “On”
...Add(new HandleErrorAttribute()); // this line is the culprit
}
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}
By default (when a new project is generated), an MVC application has some logic in the Global.asax.cs file. This logic is used for mapping routes and registering filters. By default, it only registers one filter: a HandleErro...
How can I remove an entry in global configuration with git config?
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I'm not sure what you mean by "undo" the change. You can remove the core.excludesfile setting like this:
git config --global --unset core.excludesfile
And of course you can simply edit the config file:
git config --global --edit
...and then remo...
Least common multiple for 3 or more numbers
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You can compute the LCM of more than two numbers by iteratively computing the LCM of two numbers, i.e.
lcm(a,b,c) = lcm(a,lcm(b,c))
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Can an angular directive pass arguments to functions in expressions specified in the directive's att
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If you declare your callback as mentioned by @lex82 like
callback = "callback(item.id, arg2)"
You can call the callback method in the directive scope with object map and it would do the binding correctly. Like
scope.callback({arg2:"some value"});
without requir...
How do different retention policies affect my annotations?
...sense after the compile has
completed, so they aren't written to
the bytecode.
Example: @Override, @SuppressWarnings
RetentionPolicy.CLASS: Discard during
class load. Useful when doing
bytecode-level post-processing.
Somewhat surprisingly, this is the
default.
RetentionPolicy.RU...
Verify if a point is Land or Water in Google Maps
...ps Reverse Geocoding . In result set you can determine whether it is water by checking types. In waters case the type is natural_feature. See more at this link http://code.google.com/apis/maps/documentation/geocoding/#Types.
Also you need to check the names of features, if they contain Sea, Lake, O...