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std::wstring VS std::string
...d on a char, and std::wstring on a wchar_t.
char vs. wchar_t
char is supposed to hold a character, usually an 8-bit character.
wchar_t is supposed to hold a wide character, and then, things get tricky:
On Linux, a wchar_t is 4 bytes, while on Windows, it's 2 bytes.
What about Unicode, then?
The ...
Homebrew’s `git` not using completion
When using OSX’s git, after I modify a file I can simply do git commit <tab> , and that’ll auto complete the file’s name to the one that was modified. However, if I install a newer version of git from homebrew and I use it, that feature no longer works (meaning I press <tab> and...
How do I use Ruby for shell scripting?
...'pathname'
p Pathname.new($0).realpath()
For file system operations I almost always use Pathname. This is a wrapper for many of the other file system related classes. Also useful: Dir, File...
share
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Making the main scrollbar always visible
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For those (like me) who find styling html a bit hack-y, note that you can use the structural pseudo-selector :root instead of html. See: developer.mozilla.org/en-US/docs/Web/CSS/:root
– Rounin
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How to clear basic authentication details in chrome
... thing that works consistently for me is using incognito windows - see respose stackoverflow.com/a/9558863/4142084 below.
– Raul Santelices
Jan 24 '18 at 15:18
2
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Restore Eclipse subversion project connection
... I'm developing using Eclipse. I did the original checkout from the svn repository from inside Eclipse. All was well for some weeks then for some unknown reason, Eclipse (specifically: subclipse in Ganymede) no longer recognizes my project as being under svn control. The team context-menu only shows...
Is it better to use std::memcpy() or std::copy() in terms to performance?
...o go against the general wisdom here that std::copy will have a slight, almost imperceptible performance loss. I just did a test and found that to be untrue: I did notice a performance difference. However, the winner was std::copy.
I wrote a C++ SHA-2 implementation. In my test, I hash 5 strings us...
Prevent “overscrolling” of web page
...verscroll-behavior-y: none;
}
This disables the rubberbanding effect on iOS shown in the screenshot of the question. It however also disables pull-to-refresh, glow effects and scroll chaining.
You can however elect to implement your own effect or functionality upon over-scrolling. If you for inst...
JavaScript: Create and save file [duplicate]
... that I want to write to a file, and open a file dialog for the user to choose where to save the file. It would be great if it worked in all browsers, but it has to work in Chrome. I want to do this all client-side.
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How to emulate GPS location in the Android Emulator?
...here.
To connect to the console open a command line and type
telnet localhost 5554
You then can use the geo command to set a latitude, longitude and if needed altitude on the device that is passed to all programs using the gps location provider. See the link above for further instructions.
The ...