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Concatenate two slices in Go
..., it gathers them into a new slice and passes it. I don't have first-hand knowledge of the exact mechanics, but I'd guess that this: foo(1, 2, 3, 4, 5) and this: func foo(is ...int) { just de-sugars to this: foo([]int{1, 2, 3, 4, 5}) and this: func foo(is []int) {.
– user110692...
Reverting a single file to a previous version in git [duplicate]
...work tree, along with some metadata (e.g. commit message). So, we have to know which commit has the version of the file we want. Once we know that, we'll need to make a new commit reverting the file to that state. (We can't just muck around with history, because we've already pushed this content, an...
In Ruby how do I generate a long string of repeated text?
...string replication. When you reverse the expression, we get 999999.*("0"). Now we are talking about the * method in the FixNum class, and that method refuses to take strings as arguments. It certainly could (for example, automatically making a best-effort to convert the argument to a FixNum) but the...
Scope of sessionStorage and localStorage
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Link above is now Defunct this is another great resource: sitepoint.com/an-overview-of-the-web-storage-api
– chrisjlee
Dec 26 '13 at 20:21
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EF Code First foreign key without navigation property
...]. That will link the property to whatever the key is on the parent table. Now you've got a hard-coded table name though.
– Triynko
Feb 27 '18 at 17:12
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How to select all records from one table that do not exist in another table?
...n are just null. Then you tell, ok i only want that are null. This way you now have all rows in A that didn't have a match In B
– Muhammad Umer
Mar 6 '18 at 18:02
7
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Is there a JavaScript strcmp()?
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One more thing (I'm using this in code I'm writing right now, so I've been perfecting it): just be aware that this is a case-sensitive comparison ('Foo' will come before 'bar' but 'Bar' will come after 'foo'). That corresponds to OP's question about strcmp, but many people may come...
Is there a PHP function that can escape regex patterns before they are applied?
...passed
// to preg_quote
$regex = '/\s' . $escapedUrl . '\s/';
// $regex is now: /\shttp\:\/\/stackoverflow\.com\/questions\?sort\=newest\s/
$haystack = "Bla bla http://stackoverflow.com/questions?sort=newest bla bla";
preg_match($regex, $haystack, $matches);
var_dump($matches);
// array(1) {
// ...
How to tell where a header file is included from?
... for just prepending to your compile line without strange effects like *.o now contains the output instead of the binary. Thanks for your help.
– harschware
Apr 29 '11 at 17:33
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What are the options for storing hierarchical data in a relational database? [closed]
...ierarchy and use Nested Sets to query the hierarchy.
The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightfully slow because most people use the extreme RBAR method known as a "Push Stack" to do the conversion and has been considered to be ...