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Jump to matching XML tags in Vim
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There is a vim plugin called matchit.vim . You can find it here: http://www.vim.org/scripts/script.php?script_id=39 . It was created pretty much the exact purpose you describe.
Install that, place your cursor on the body of the tag (not the <>, else it'll match those) and press % to jump t...
How to get default gateway in Mac OSX
... the route that packages will take to a particular host. E.g.
route -n get www.yahoo.com
The output would be similar to:
route to: 98.137.149.56
destination: default
mask: 128.0.0.0
gateway: 5.5.0.1
interface: tun0
flags: <UP,GATEWAY,DONE,STATIC,PRCLONING>
recvpipe sen...
Rollback a Git merge
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From here:
http://www.christianengvall.se/undo-pushed-merge-git/
git revert -m 1 <merge commit hash>
Git revert adds a new commit that rolls back the specified commit.
Using -m 1 tells it that this is a merge and we want to roll back...
std::shared_ptr thread safety explained
... in general you might want to look at the boost::shared_ptr source: http://www.boost.org/doc/libs/1_37_0/boost/shared_ptr.hpp.
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Tips for debugging .htaccess rewrite rules
...er-agent$
#Here is the actual rule I am testing
RewriteCond %{HTTP_HOST} !^www\.domain\.com$ [NC]
RewriteRule ^ http://www.domain.com%{REQUEST_URI} [L,R=302]
If you are using Firefox, you can use the User Agent Switcher to create the fake user agent string and test.
2. Do not use 301 until ...
How do I create a namespace package in Python?
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That links to this article for the main guts of what's going on:
http://www.siafoo.net/article/77#multiple-distributions-one-virtual-package
The __import__("pkg_resources").declare_namespace(__name__) trick is pretty much drives the management of plugins in TiddlyWeb and thus far seems to be wor...
mkdir's “-p” option
...y good memory for acronyms :). My search returned this for example: http://www.cs.cmu.edu/~help/afs/afs_acls.html
Directory permissions
l (lookup)
Allows one to list the contents of a directory. It does not allow the reading of files.
i (insert)
Allows one to create new files in a direct...
How to add an auto-incrementing primary key to an existing table, in PostgreSQL?
... difference between GENERATED BY DEFAULT and GENERATED ALWAYS, see https://www.cybertec-postgresql.com/en/sequences-gains-and-pitfalls/.
For altering the sequence, see https://popsql.io/learn-sql/postgresql/how-to-alter-sequence-in-postgresql/.
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Inserting a Link to a Webpage in an IPython Notebook
...elow shows the output from the Notebook.
Code in Markdown cell:
"https://www.tensorflow.org/images/colab_logo_32px.png" # link to website
<img src="tidyflow.png" /> # The image file (This path is the same folder as Notebook file)
## <font color = cyan> Some Colored Text in Noteb...
How to see if an NSString starts with a certain other string?
...olved, which I believe the question hints at. Consider the case of "HTTP://WWW...". But the biggest problem is that the proposed solution will throw an exception when it encounters "ftp" or a string less than 4 characters. The hasPrefix method does not have the same problem.
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