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Python dictionary: Get list of values for list of keys
...k way to use a list of keys to a dictionary to get a list of corresponding items?
11 Answers
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Map.clear() vs new Map : Which one will be better? [duplicate]
... Let's see what happens.
You instantiate a new instance, which is backed with new array. So, garbage collector should clear all the key and values from the previous map, and clear the reference to itself. So O(n) algorithm is executed anyway, but in the garbage collector thread. For 1000 records yo...
How to prevent XSS with HTML/PHP?
How do I prevent XSS (cross-site scripting) using just HTML and PHP?
9 Answers
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Insert new column into table in sqlite?
I have a table with columns name , qty , rate . Now I need to add a new column COLNew in between the name and qty columns. How do I add a new column in between two columns?
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GRANT EXECUTE to all stored procedures
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edited Sep 12 '15 at 6:46
answered Feb 17 '12 at 1:13
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undefined reference to `__android_log_print'
What is wrong with my make file?
15 Answers
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do you have kcachegrind like profiling tools for mac [closed]
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I ended up using qcachegrind on OSX. It can be installed via brew
brew install qcachegrind
or, to enable graphviz support:
brew install qcachegrind --with-graphviz
What's great about this program is that I successfully loaded a 6.1GB cachegrind file on my ...
Returning multiple values from a C++ function
...n C++11 and newer, there's std::tuple) for more than two return results.
With introduction of structured binding in C++ 17, returning std::tuple should probably become accepted standard.
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Truncate (not round) decimal places in SQL Server
...to determine the best way to truncate or drop extra decimal places in SQL without rounding. For example:
18 Answers
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Parallel.ForEach vs Task.Factory.StartNew
...e first is a much better option.
Parallel.ForEach, internally, uses a Partitioner<T> to distribute your collection into work items. It will not do one task per item, but rather batch this to lower the overhead involved.
The second option will schedule a single Task per item in your collecti...