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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...n the system time (via NTP, time zone, daylight savings time, by the user, etc.)?
How do the above vary between implementations?
Is the specific function obsolete, non standard, etc.?
Before starting the list, I'd like to point out that wall-clock time is rarely the right time to use, whereas it c...
How do you track record relations in NoSQL?
...en post, comments marked as spam, active comments, highest rated comments, etc.
– Xeoncross
Nov 19 '10 at 21:39
...
Best approach for designing F# libraries for use from both F# and C#
... a functional style (using F# function types, tuples, discriminated unions etc.)
.NET library is designed to be used from any .NET language (including C# and F#) and it typically follows .NET object-oriented style. This means that you'll expose most of the functionality as classes with method (and s...
How exactly does CMake work?
...latform,Cmake will generate all the necessary project/solution files (.sln etc.).
If you would like to build your software on Linux/Unix platform you would simply go to source directory where you have your CMakeLists.txt file and trigger the same cmake . and it will generate all files necessary fo...
Token Authentication vs. Cookies
...ers, however, they can be sent in any part of the http request (POST body, etc.)
Pros:
You can authorize only the requests you wish to authorize. (Cookies - even the authorization cookie are sent for every single request.)
Immune to XSRF (Short example of XSRF - I'll send you a link in email that ...
Why do we need fibers
...ed param: #{param}"
Fiber.yield #nothing sent, nothing received
puts 'etc'
end
puts f.resume
f.resume 'param'
f.resume
prints this:
some code
return
received param: param
etc
Implementation of this logic with other ruby features will be less readable.
With this feature, good fibers usage...
What is the difference between the states selected, checked and activated in Android?
...cked revolves around a View implementing the Checkable interface. Methods setChecked(), isChecked(), toggle()
ListView (after Honeycomb) calls setChecked() OR setActivated() depending on Android version as below (taken from Android source code):
if (mChoiceMode != CHOICE_MODE_NONE && mCheck...
How do search engines deal with AngularJS applications?
... specific to SEO, but keep in mind that other crawlers (Facebook, Twitter, etc.) aren't yet able to evaluate JavaScript. Sharing pages on social media sites, for example, would still be a problem without a server-side rendering strategy.
– Stephen Watkins
Dec 1...
What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
...blem will arise.
Same scenario: whenever we try to access an array list, etc. we can only access the existing indexes in the array. array[0] and array[1] are existing. If we try to access array[3], it's not there actually, so an index out of bound exception will arise.
...
How dangerous is it to compare floating point values?
...lers like GCC) is unpredictable.
Transcendental functions (trig, exp, log, etc.) are not specified to have correctly rounded results; the result is just specified to be correct within one unit in the last place of precision (usually referred to as 1ulp).
When you're writing floating point code, yo...