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How to revert Master branch to upstream
...ranch-head to your origin repository, ignoring the fact that it won't be a fast-forward:
git push origin +master
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Checking if a list is empty with LINQ
... !source.Any();
}
Edit: Note that simply using the .Count method will be fast if the underlying source actually has a fast Count property. A valid optimization above would be to detect a few base types and simply use the .Count property of those, instead of the .Any() approach, but then fall back ...
PostgreSQL: How to make “case-insensitive” query
...tions here suggests ILIKE, It will work, but with slow response. To obtain fast access to tables based on the results of computations, I suggest anyone just checking this should go with the accepted answer. See more details here and here
– Afolabi Olaoluwa Akinwumi
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Emulator error: This AVD's configuration is missing a kernel file
...m Image rev 2 (or higher)
you are able to turn on GPU emulation to get a faster emulator:
Note : As per you786 comment if you have previously created emulator then you need to recreate it, otherwise this will not work.
Alternative 1
Intel provides the "Intel hardware accelerated execution mana...
Why would I prefer using vector to deque
...ind a contiguous memory block is restrictive, so you can run out of memory faster.
When I was dealing with large collections in the past and moved from a contiguous model to a block model, we were able to store about 5 times as large a collection before we ran out of memory in a 32-bit system. Thi...
Convert XML to JSON (and back) using Javascript
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Disclaimer: I've written fast-xml-parser
Fast XML Parser can help to convert XML to JSON and vice versa. Here is the example;
var options = {
attributeNamePrefix : "@_",
attrNodeName: "attr", //default is 'false'
textNodeName : "#text",...
Random record in ActiveRecord
...RE id >= #{rand_id} ORDER BY id ASC LIMIT 1" is O(log N), which is much faster.
– kenn
May 6 '11 at 1:02
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Removing an element from an Array (Java) [duplicate]
Is there any fast (and nice looking) way to remove an element from an array in Java?
15 Answers
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Why do browsers match CSS selectors from right to left?
.... So the problem becomes one of deciding that a selector doesn't match as fast as possible; if that requires a bit of extra work in the cases that do match you still win due to all the work you save in the cases that don't match.
If you start by just matching the rightmost part of the selector aga...
Does JavaScript have a built in stringbuilder class?
...This is especially true for IE6. On modern browsers += is usually just as fast as array joins.
When I have to do lots of string concatenations I usually fill an array and don't use a string builder class:
var html = [];
html.push(
"<html>",
"<body>",
"bla bla bla",
"</body&...