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Why are margin/padding percentages in CSS always calculated against width?
...-right/margin-bottom/margin-left, all four have to be relative to the same base. If top/bottom used a different base than left/right', then "n%" margin (and padding) wouldn't mean the same thing on all four sides.
(Also note having the top/bottom margin relative to the width enables a weird CSS ha...
Could someone explain the pros of deleting (or keeping) unused code?
...appens over time is that more and more old unused code is added
to the codebase. This increases the confusion, potential
misunderstanding and administrative overhead.
The chances that the unused code will ever be used again is very unlikely. With time that possibility of re-use diminishes. If code i...
Drawing an image from a data URL to a canvas
...ht not be necessary to use the onload handler when a data URI is involved. Based on experimental tests from this question, it is not safe to do so. The above sequence—create the image, set the onload to use the new image, and then set the src—is necessary for some browsers to surely use the resu...
Difference between MVC 5 Project and Web Api Project
...API controller is an MVC controller, which uses HttpMessageResponse as the base type of its response, instead of ActionResponse. They are the same in most other respects. The main difference between the project types is that the MVC Application project type adds web specific things like default CSS,...
How to pass argument to Makefile from command line?
...
Here is a generic working solution based on @Beta's
I'm using GNU Make 4.1 with SHELL=/bin/bash atop my Makefile, so YMMV!
This allows us to accept extra arguments (by doing nothing when we get a job that doesn't match, rather than throwing an error).
%:
...
Efficient way to return a std::vector in c++
...it++ = 0;
*it++ = 1;
}
You can then also support the existing vector-based interface on top of that:
std::vector<int> f() {
std::vector<int> result;
f(std::back_inserter(result));
return result;
}
This might be less efficient than your existing code, if your existing...
Spring Data: “delete by” is supported?
I am using Spring JPA for database access. I am able to find examples such as findByName and countByName, for which I dont have to write any method implementation. I am hoping to find examples for delete a group of records based on some condition.
...
Sass or Compass without ruby?
...talled as well.
Taken from sass's site
Compass (requires Ruby, as it's based on SASS)
Compass is an open-source CSS authoring framework which uses the Sass stylesheet language to make writing stylesheets powerful and easy.
Taken from compass's site
Less (written in js, requires node.js o...
What is the difference between dynamic and static polymorphism in Java?
...serializes different
types of documents.
We can have ‘Document’ as the base class and different document type
classes deriving from it. E.g. XMLDocument , WordDocument , etc.
Document class will define ‘ Serialize() ’ and ‘ De-serialize() ’
methods as virtual and each derived class will ...
Two inline-block, width 50% elements wrap to second line [duplicate]
...major browsers, it's been tried and tested in a number of complex viewport-based web applications.
<style>
.container {
font-size: 0;
}
.ie7 .column {
font-size: 16px;
display: inline;
zoom: 1;
}
.ie8 .column {
font-size:16px;
...