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What does “dereferencing” a pointer mean?
...ring to the second byte in the process's memory, 2 the third, 3 the fourth and so on....
What happened to 0 and the first byte? Well, we'll get to that later - see null pointers below.
For a more accurate definition of what pointers store, and how memory and addresses relate, see "More about memo...
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
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[[ has fewer surprises and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do
[[ -e $b ]]
to test whether a ...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
...w can I install Google Play Services in a Genymotion emulator with no drag and drop support?
17 Answers
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Best branching strategy when doing continuous integration?
...Since I'm familiar with Cruise Control, I also blogged about task branches and CI here. It's an step by step tutorial explaning how to do it with Plastic SCM.
Finally, I found some of the topics about CI (and potentially talking about branching) at Duvall's book on CI very interesting too.
Hope yo...
Explain the concept of a stack frame in a nutshell
...In the case of a call stack, a stack frame would represent a function call and its argument data.
If I remember correctly, the function return address is pushed onto the stack first, then the arguments and space for local variables. Together, they make the "frame," although this is likely architec...
What is the difference between max-device-width and max-width for mobile web?
I need to develop some html pages for iphone/android phones, but what is the difference between max-device-width and max-width ? I need to use different css for different screen size.
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How do you install Google frameworks (Play, Accounts, etc.) on a Genymotion virtual device? [duplica
I'm currently trying out Genymotion and boy, it's so much faster than the ADT emulator.
10 Answers
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Why does the expression 0 < 0 == 0 return False in Python?
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I believe Python has special case handling for sequences of relational operators to make range comparisons easy to express. It's much nicer to be able to say 0 < x <= 5 than to say (0 < x) and (x <= 5).
These are called chained comparisons. And th...
How to get the system uptime in Windows? [closed]
I am using windows 7 and xp. I want to know the uptime of the system.
3 Answers
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Any tips on how to organize Eclipse environment on multiple monitors?
...se windows on two monitors. Currently I just detached (clicked on a header and dragged) a few windows to a secondary monitor (package explorer, console, and outline) while leaving primary monitor with maximized source editing window.
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