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Why switch is faster than if
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111
Because there are special bytecodes that allow efficient switch statement evaluation when ther...
Plotting time in Python with Matplotlib
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184
You must first convert your timestamps to Python datetime objects (use datetime.strptime). The...
How accurately should I store latitude and longitude?
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194
Accuracy versus decimal places at the equator
decimal degrees distance
places
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Can't find @Nullable inside javax.annotation.*
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147
You need to include a jar that this class exists in. You can find it here
If using Maven, yo...
How to get correct timestamp in C#
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194
Your mistake is using new DateTime(), which returns January 1, 0001 at 00:00:00.000 instead of...
How to stop flask application without using ctrl-c
...p.stop()" API, I am curious about how to code this. I am working on Ubuntu 12.10 and Python 2.7.3.
13 Answers
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How do I print the elements of a C++ vector in GDB?
... in GDB:
(gdb) print myVector
This will produce an output similar to:
$1 = std::vector of length 3, capacity 4 = {10, 20, 30}
To achieve above, you need to have gdb 7 (I tested it on gdb 7.01) and some python pretty-printer. Installation process of these is described on gdb wiki.
What is more...
How to trace the path in a Breadth-First Search?
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197
+50
You sho...
Why doesn't c++ have &&= or ||= for booleans?
...alent to the logical operations, as long as both operands are of type bool.1
Contrary to what other people have said here, a bool in C++ must never have a different value such as 2. When assigning that value to a bool, it will be converted to true as per the standard.
The only way to get an invali...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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The Gemfile is where you specify which gems you want to use, and lets you specify which versio...