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What is the difference between Θ(n) and O(n)?
...or a more detailed discussion, you can read the definition on Wikipedia or consult a classic textbook like Introduction to Algorithms by Cormen et al.
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How to change the name of a Django app?
...ault path is <app_label>/<model_name>_<suffix>.html)
Run raw SQL to fix migrations and content_types app (unfortunately, some raw SQL is unavoidable). You can not run this in a migration.
UPDATE django_migrations
SET app = 'catalogue'
WHERE app = 'shop';
UPDATE django_content...
How can I update NodeJS and NPM to the next versions?
...anager.
To install Homebrew to your Mac:
$ ruby -e "$(curl -fsSL https://raw.github.com/Homebrew/homebrew/go/install)"
To install node.js and npm using Homebrew, run:
$ brew install node
Later, you will be able to update them using:
$ brew update && brew upgrade node
Also, you can ...
How to get the parents of a merge commit in git?
... simplest way I've found to view the parents of a merge
git show --pretty=raw 3706454
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rails i18n - translating text with links inside
... Also, because output is automatically escaped, you need to either specify raw or .html_safe explicitly, or suffix your translation key with _html, as in login_message_html and escaping will be skipped automatically.
– coreyward
Jun 9 '11 at 0:16
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How to disassemble one single function using objdump?
... If you use column -ts$'\t' to filter the GDB output, you'll have the raw bytes and source columns nicely aligned. Also, -ex 'set disassembly-flavor intel' before other -exs will result in Intel assembly syntax.
– Ruslan
Oct 4 '18 at 12:39
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When NOT to use Cassandra?
...are doing a hack job to do their initial testing. I spoke with a Cassandra consultant about this and he said he wouldn't recommend it if you had this problem set.
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Checking network connection
... This is the best answer, avoiding DNS resolution, and ironically, consulting Google's DNS service on port 53.
– m3nda
Dec 20 '15 at 9:59
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Go build: “Cannot find package” (even though GOPATH is set)
..., in order to download the module
golang.org/x/tools, the go command would consult the repository
indicated by https://golang.org/x/tools (described more here).
An import path is a string used to import a package. A package's
import path is its module path joined with its subdirectory within the
mod...
Make column not nullable in a Laravel migration
...ering an existing table column using the schema builder. You'd need to use raw queries for this.
However, as of Laravel 5 you can use:
$table->...->nullable(false)->change();
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