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Javascript seconds to minutes and seconds
... get the remaining seconds, multiply the full minutes with 60 and subtract from the total seconds:
var seconds = time - minutes * 60;
Now if you also want to get the full hours too, divide the number of total seconds by 3600 (60 minutes/hour · 60 seconds/minute) first, then calculate the remaini...
How to pass command line arguments to a rake task
...less you know/care about Rake internals.
RAILS NOTE:
If running the task from Rails, it's best to preload the environment by adding => [:environment] which is a way to setup dependent tasks.
task :work, [:option, :foo, :bar] => [:environment] do |task, args|
puts "work", args
end
...
Git: how to reverse-merge a commit?
...git revert <commit>
It's also possible to actually remove a commit from an arbitrary point in the past by rebasing and then resetting, but you really don't want to do that if you have already pushed your commits to another repository (or someone else has pulled from you).
...
Default value of function parameter
... file, and the definition in a separate .cpp file, and #include the header from a different .cpp file, you will be able to see the difference.
Specifically, suppose:
lib.h
int Add(int a, int b);
lib.cpp
int Add(int a, int b = 3) {
...
}
test.cpp
#include "lib.h"
int main() {
Add(4);...
Why dict.get(key) instead of dict[key]?
...method contains an additional parameter which indicates the missing value. From the documentation
get(key[, default])
Return the value for key if key is in the dictionary, else default. If default is not given, it defaults to None, so that this method never raises a KeyError.
An example ca...
What is the default location for MSBuild logs?
...
Log file from Visual Studio is only supported for C++ projects. You just have to work with the output window for others.
See this similar thread: VS2010: minimal build log in output and detailed log in log file
And in case you happe...
AngularJS access parent scope from child controller
...ies = $scope.$parent.cities;
}
If you want to access a parent controller from your view you have to do something like this:
<div ng-controller="xyzController as vm">
{{$parent.property}}
</div>
See jsFiddle: http://jsfiddle.net/2r728/
Update
Actually since you defined cities in...
Why does 0.ToString(“#.##”) return an empty string instead of 0.00 or at least 0?
...t: .0
If you want all three digits: 0.ToString("0.00"); produces: 0.00
From the comments to this answer, your argument seems to be,
it should show '0', because why would anyone ever want to see an empty string if the numeric value is 0?
The response is simple: You have the choice how you w...
Entity Framework Code First - two Foreign Keys from same table
...s something you have to handle in your application and not in the mapping. From the mapping perspective, pairs are allowed to play twice (each is guest and home once).
– Ladislav Mrnka
Jun 8 '13 at 22:08
...
How to parse/format dates with LocalDateTime? (Java 8)
...
Parsing date and time
To create a LocalDateTime object from a string you can use the static LocalDateTime.parse() method. It takes a string and a DateTimeFormatter as parameter. The DateTimeFormatter is used to specify the date/time pattern.
String str = "1986-04-08 12:30";
Date...