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Is “argv[0] = name-of-executable” an accepted standard or just a common convention?
...t is typically the init itself or getty that adds the leading -, see also: https://unix.stackexchange.com/questions/299408/how-to-login-automatically-without-typing-the-root-username-or-password-in-build/300152#300152
multi-call binaries, perhaps most notably Busybox. These symlink multiple names e....
How can I select an element with multiple classes in jQuery?
...c').css('border', '2px solid yellow');
//selects b and c
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="a">a
<div class="b">b</div>
<div class="c">c</div>
<div class="d">d</div>
...
Android Google Maps v2 - set zoom level for myLocation
...reet level for example (note the "15f" below is street level) :
override fun onMapReady(googleMap: GoogleMap?) {
googleMap?.mapType = GoogleMap.MAP_TYPE_NORMAL
googleMap?.addMarker(MarkerOptions()
.position(LatLng(37.4233438, -122.0728817))
.title("cool place")
...
Which terminal command to get just IP address and nothing else?
... the external IP, then you can query a text-mode service, for example curl https://ipecho.net/plain would return a plain text external IP.
And an even faster way to get the external IP is to query a known DNS server:
dig @ns1-1.akamaitech.net ANY whoami.akamai.net +short
...
Remove a symlink to a directory
... removed but processes which have the object open may continue to use it.
https://linux.die.net/man/2/unlink
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How to calculate a time difference in C++
...y boost::posix_time::ptime and boost::posix_time::time_duration (at http://www.boost.org/doc/libs/1_38_0/doc/html/date_time/posix_time.html).
It's cross-platform, easy to use, and in my experience provides the highest level of time resolution an operating system provides. Possibly also very importa...
Android: I am unable to have ViewPager WRAP_CONTENT
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I based my answer on Daniel López Lacalle and this post http://www.henning.ms/2013/09/09/viewpager-that-simply-dont-measure-up/. The problem with Daniel's answer is that in some cases my children had a height of zero. The solution was to unfortunately measure twice.
@Override
protected ...
Inspect hovered element in Chrome?
...ork: clicking in DevTools immediately closed the ToolTip.
However, I found https://superuser.com/questions/249050/chrome-keyboard-shortcut-to-pause-script-execution which helped me:
In the console:, Run:
const F12 = 123
window.addEventListener('keydown', function(event) {
if (event....
Is Dvorak typing appropriate for programming? [closed]
...
There are Dvorak layouts specifically for programming: http://www.kaufmann.no/roland/dvorak/
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Number.sign() in javascript
Wonder if there are any nontrivial ways of finding number's sign ( signum function )?
May be shorter / faster / more elegant solutions than the obvious one
...