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How does the vim “write with sudo” trick work?
...-----------+
(Diagram created with Asciiflow.)
See the tee man page for more info.
Tee as a hack
In the situation your question describes, using tee is a hack because we're ignoring half of what it does. sudo tee writes to our file and also sends the buffer contents to standard output, but we i...
Solr vs. ElasticSearch [closed]
... Handling multitenancy is not a special configuration, where
with Solr a more advanced setup is necessary.
ElasticSearch introduces
the concept of the Gateway, which makes full backups easier.
Disadvantages:
Only one main developer [not applicable anymore according to the curre...
Is it faster to count down than it is to count up?
Our computer science teacher once said that for some reason it is more efficient to count down than to count up.
For example if you need to use a FOR loop and the loop index is not used somewhere (like printing a line of N * to the screen)
I mean that code like this:
...
How to export JavaScript array info to csv (on client side)?
...ows = [
["name1", "city1", "some other info"],
["name2", "city2", "more info"]
];
let csvContent = "data:text/csv;charset=utf-8,";
rows.forEach(function(rowArray) {
let row = rowArray.join(",");
csvContent += row + "\r\n";
});
or the shorter way (using arrow functions):
const ro...
Interface vs Abstract Class (general OO)
...
http://www.gotw.ca/publications/mill18.htm
http://en.wikibooks.org/wiki/More_C%2B%2B_Idioms/Non-Virtual_Interface
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Why does .NET use banker's rounding as default?
... most applications. So I always end up writing a custom function to do the more natural round-half-up algorithm:
5 Answers
...
What do 'real', 'user' and 'sys' mean in the output of time(1)?
...ocess has multiple threads (and this process is running on a computer with more than one processor) it could potentially exceed the wall clock time reported by Real (which usually occurs). Note that in the output these figures include the User and Sys time of all child processes (and their descenda...
Submit jQuery UI dialog on
... return false;
}
});
}
});
Here's a more detailed view of what it would look like:
$( "#dialog-form" ).dialog({
buttons: { … },
open: function() {
$("#dialog-form").keypress(function(e) {
if (e.keyCode == $.ui.keyCode.ENTER) {
$(this).p...
Why are only a few video games written in Java? [closed]
...projects can be reused (say, if you're writing a sequel), that counts even more in favor of sticking with the same language, instead of rewriting it in a new language (more so since you'll likely reintroduce a ton of bugs which you'll need to spend time ironing out.
Finally, it's rare for games to ...
Why does Windows64 use a different calling convention from all other OSes on x86-64?
...choice of four arguments in RCX, RDX, R8 and R9.
Beyond that ...
There are more differences between the UN*X and Windows x64 ABIs than just the mapping of arguments to specific registers. For the overview on Win64, check:
http://msdn.microsoft.com/en-us/library/7kcdt6fy.aspx
Win64 and AMD64 UN*X als...