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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...
How to pass json POST data to Web API method as an object?
...pe explicitly, It will use the default content type which is application/x-www-form-urlencoded;
Edit on Nov 2015 to address other possible issues raised in comments
Posting a complex object
Let's say you have a complex view model class as your web api action method parameter like this
public ...
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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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]
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There are Dvorak layouts specifically for programming: http://www.kaufmann.no/roland/dvorak/
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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")
...
Xcode 6 - How to pick signing certificate/provisioning profile for Ad-Hoc distribution?
... is preinstalled with Xcode 6 (didn't need to re-install Xcode 5).
http://www.thecave.com/2014/09/16/using-xcodebuild-to-export-a-ipa-from-an-archive/
Script in terminal:
xcodebuild -exportArchive -archivePath $projectname.xcarchive -exportPath $projectname -exportFormat ipa -exportProvisioningPr...
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
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