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Finding what methods a Python object has
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It's a list comprehension, returning a list of methods where method is an item in the list returned by dir(object), and where each method is added to the list only if getattr(object,method) returns a callable.
– Mne...
What happens when a duplicate key is put into a HashMap?
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By definition, the put command replaces the previous value associated with the given key in the map (conceptually like an array indexing operation for primitive types).
The map simply drops its reference to the value. If nothing else holds a refe...
Why does ReSharper tell me “implicitly captured closure”?
... g cannot be garbage collected as long as the first lambda is in use.
The compiler generates a class for both lambda expressions and puts all variables in that class which are used in the lambda expressions.
So in my example g and i are held in the same class for execution of my delegates. If g is...
How do I read an entire file into a std::string in C++?
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@sehe: I would expect any halfway-competent C++ coder to readily understand that one-liner. It's pretty tame compared to other stuff being around.
– DevSolar
Sep 21 '12 at 14:36
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Commit only part of a file in Git
When I make changes to a file in Git, how can I commit only some of the changes?
23 Answers
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Bad value X-UA-Compatible for attribute http-equiv on element meta
...he same meta that HTML5 Boilerplate is using, and the W3C HTML validator complains:
8 Answers
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Changing MongoDB data store directory
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How to force a web browser NOT to cache images
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Just a thought, and far too late to come to the party here - but since you have control of the image changing, perhaps it would be better to rename the image as it is updated, instead of adding a query string. So: 1222259157.jpg for example, instead of picture....
Is there a function to make a copy of a PHP array to another?
...r, it has reference semantics.
Edit: @AndrewLarsson raises a point in the comments below. PHP has a special feature called "references". They are somewhat similar to pointers in languages like C/C++, but not quite the same. If your array contains references, then while the array itself is passed by...
SQL Server IN vs. EXISTS Performance
... That's a good point. The IN statement requires SQL Server to generate a complete result set, and then create a big IF statement I think.
– Randy Minder
Jan 14 '10 at 16:04
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