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Should we pass a shared_ptr by reference or by value?
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This question has been discussed and answered by Scott, Andrei and Herb during Ask Us Anything session at C++ and Beyond 2011. Watch from 4:34 on shared_ptr performance and correctness.
Shortly, there is no reason to pass by value, unless the goal is to sha...
Is ASCII code 7-bit or 8-bit?
...as a 7-bit code. This was done well before 8-bit bytes became ubiquitous, and even into the 1990s you could find software that assumed it could use the 8th bit of each byte of text for its own purposes ("not 8-bit clean"). Nowadays people think of it as an 8-bit coding in which bytes 0x80 through ...
Stop and Start a service via batch or cmd file?
How can I script a bat or cmd to stop and start a service reliably with error checking (or let me know that it wasn't successful for whatever reason)?
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Objective-C formatting string for boolean?
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Shouldn't the output strings be: "Yes" and "No" :P
– Ben S
Apr 8 '10 at 22:22
131
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What is the difference between “px”, “dip”, “dp” and “sp”?
What is the difference between Android units of measure?
33 Answers
33
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Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
There is a case where a map will be constructed, and once it is initialized, it will never be modified again. It will however, be accessed (via get(key) only) from multiple threads. Is it safe to use a java.util.HashMap in this way?
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How to define hash tables in Bash?
...e equivalent of Python dictionaries but in Bash (should work across OS X and Linux).
15 Answers
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PyLint, PyChecker or PyFlakes? [closed]
...write('\n')
for x in xrange(-39, 39):
if self.mandelbrot(x/40.0, y/40.0) :
stdout.write(' ')
else:
stdout.write('*')
def mandelbrot(self, x, y):
cr = y - 0.5
ci = x
zi = 0.0
zr =...
What's the purpose of the LEA instruction?
For me, it just seems like a funky MOV. What's its purpose and when should I use it?
16 Answers
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How to create REST URLs without verbs?
...n restful URLs. I'm all for the restful approach of using URLs with nouns and not verbs don't understand how to do this.
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