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How do I find the location of the executable in C? [duplicate]
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To summarize:
On Unixes with /proc really straight and realiable way is to:
readlink("/proc/self/exe", buf, bufsize) (Linux)
readlink("/proc/curproc/file", buf, bufsize) (FreeBSD)
readlink("/proc/self/path/a.out", buf, bufsize) (Solaris)
On Unixes without /proc (i.e. if ab...
Cross compile Go on OSX?
I am trying to cross-compile a go app on OSX to build binaries for windows and linux. I have read everything what I could find on the net. Closest example that I have found has been published on (apart from many unfinished discussions on go-nuts mailing list):
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What is memory fragmentation?
... symptom of memory fragmentation is that you try to allocate a large block and you can't, even though you appear to have enough memory free. Another possible consequence is the inability of the process to release memory back to the OS (because each of the large blocks it has allocated from the OS, f...
what happens when you type in a URL in browser [closed]
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Attention: this is an extremely rough and oversimplified sketch, assuming the simplest possible HTTP request (no HTTPS, no HTTP2, no extras), simplest possible DNS, no proxies, single-stack IPv4, one HTTP request only, a simple HTTP server on the other end, and n...
Bash: Copy named files recursively, preserving folder structure
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@mahemoff cp -R --parents and rsync -rR copies both files and directories relatively.
– Vortico
Jun 5 '19 at 8:43
add a commen...
Benefit of using Parcelable instead of serializing object
As I understand, Bundle and Parcelable belongs to the way Android performs serialization in. It is used for example in passing data between activities. But I wonder, if there are any benefits in using Parcelable instead of classic serialization in case of saving state of my business objects to...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
...-scrollbar pseudo-elements [blog]. You can disable the default appearance and behaviour by setting -webkit-appearance [docs] to none.
Because you're removing the default style, you'll also need to specify the style yourself or the scroll bar will never show up. The following CSS recreates the app...
Fragment or Support Fragment?
I am developing an app that supports Android >= 4.0. It uses fragments from the android.app package. As I am facing problems with the older fragment implementation in 4.0, like this one , that are already fixed in the support library, I am considering switching back to the fragment implementation...
An efficient way to transpose a file in Bash
... more explicit variable names will help answer some of the questions below and generally clarify what the script is doing. It also uses tabs as the separator which the OP had originally asked for so it'd handle empty fields and it coincidentally pretties-up the output a bit for this particular case....
Add a new element to an array without specifying the index in Bash
...mb Guy points out, it's important to note whether the array starts at zero and is sequential. Since you can make assignments to and unset non-contiguous indices ${#array[@]} is not always the next item at the end of the array.
$ array=(a b c d e f g h)
$ array[42]="i"
$ unset array[2]
$ unset array...