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Most efficient way to store thousand telephone numbers
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Too much time to build (O(log(n)*nk) (k is the length) for the sorting, compared to O(nk) for building a trie). Also space is far from optimal, because longer common prefixes are stored individually. Search time is also not optimal. F...
WebRTC vs Websockets: If WebRTC can do Video, Audio, and Data, why do I need Websockets? [closed]
...g to build a chat app that will allow video, audio, and text. I spent some time researching into Websockets and WebRTC to decide which to use. Since there are plenty of video and audio apps with WebRTC, this sounds like a reasonable choice, but are there other things I should consider?
Feel free to...
How do I move files in node.js?
How can I move files (like mv command shell) on node.js? Is there any method for that or should I read a file, write to a new file and remove older file?
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mysql Foreign key constraint is incorrectly formed error
I have two tables, table1 is the parent table with a column ID and table2 with a column IDFromTable1 (not the actual name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if tab...
Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
... that I use for practice reasons, but now I am encountering an error every time I try to debug:
18 Answers
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Why would I prefer using vector to deque
... the appropriate block then access the element within it. This is constant time, because it is always exactly 2 lookups, but that is still more than the vector.
vector also works well with APIs that want a contiguous buffer because they are either C APIs or are more versatile in being able to take ...
Sass combining parent using ampersand (&) with type selectors
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For starters, (at time of writing this answer) there's no sass syntax that uses selector&. If you were going to do something like that, you'd need a space between the selector and the ampersand. For example:
.item {
.helper & {
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How do you force a makefile to rebuild a target
...erequisite of a real target file; if
it is, its recipe will be run every time make goes to update that
file. As long as a phony target is never a prerequisite of a real
target, the phony target recipe will be executed only when the phony
target is a specified goal
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How to get HTML 5 input type=“date” working in Firefox and/or IE 10
...at input type="date" is still not supported in Firefox after all of this time. In fact, I don't think they added in much (if any) of the HTML 5 new types on an input element. Not surprised that it is not supported in IE10. So, my question is...
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center aligning a fixed position div
I'm trying to get a div that has position:fixed center aligned on my page.
13 Answers
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