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What is the difference between :focus and :active?
...en they contradict each other e.g. color:red and color:blue (then last one wins).
– Pacerier
May 4 '14 at 14:18
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What do 'statically linked' and 'dynamically linked' mean?
... form an executable.
The distinction is made for, among other things, allowing third party libraries to be included in your executable without you seeing their source code (such as libraries for database access, network communications and graphical user interfaces), or for compiling code in differe...
Should I use #define, enum or const?
...disadvantages of a single approach. I work in embedded systems so the following solution is based on the fact that integer and bitwise operators are fast, low memory & low in flash usage.
Place the enum in a namespace to prevent the constants from polluting the global namespace.
namespace Reco...
How do I auto-hide placeholder text upon focus using css or jquery?
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this comment is a win. works with dynamic controls, like kendo too
– reflog
Feb 11 '15 at 9:39
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What's the fastest way to merge/join data.frames in R?
... issue? For example I'm guessing that SEM=Scanning electron microscope? Knowing more about the application makes it more interesting to us and helps us prioritise.
– Matt Dowle
Aug 12 '14 at 12:00
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Calling C++ class methods via a function pointer
...myfunction (arg);.
This kind of thing is fairly common when using the old Win32 APIs, which were originally designed for C rather than C++. Of course in that case, the parameter is normally LPARAM or similar rather than a pointer, and some casting is needed.
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Xcode 6 - How to pick signing certificate/provisioning profile for Ad-Hoc distribution?
...distribute the app to our testers we use Xcode, which we do using the following process:
18 Answers
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How many GCC optimization levels are there?
... further optimizations
designed to reduce code size.
-Os disables the following optimization flags: -falign-functions -falign-jumps -falign-loops -falign-labels -freorder-blocks -freorder-blocks-and-partition -fprefetch-loop-arrays -ftree-vect-loop-version)
There may also be platform specific opti...
How can I open the interactive matplotlib window in IPython notebook?
... like to quickly switch to the interactive, zoomable matplotlib GUI for viewing plots (the one that pops up when you plot something in a terminal Python console). How could I do that? Preferably without leaving or restarting my notebook.
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Using TortoiseSVN via the command line
... options. I use TortoiseSVN, and I run several commands and I get the following error.
12 Answers
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