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What is the purpose of the -nodes argument in openssl?
...: lock down private.key
{ add HTTP server to ssl-cert group }
sudo chown root:ssl-cert private.key - change owner of private.key to root user, ssl-cert group
sudo chmod 640 private.key - change access permissions of private.key to owner R/W, group R
now, HTTP server should be able to start and re...
Bower and devDependencies vs dependencies
...s errors
-V, --verbose Makes output more verbose
--allow-root Allows running commands as root
See 'bower help <command>' for more information on a specific command.
and further, bower help install yields (see latest source):
Usage:
bower install [<optio...
Re-entrant locks in C#
...r code such that there is an object graph and you can acquire locks on the root of that object graph, then do so. This means you have one lock on that root object and therefore don't have to worry so much about the sequence in which you acquire/release locks.
(One further note, your example isn't t...
Red black tree over avl tree
...en, usually, algorithms continue to check/repaint nodes from bottom to the root of the tree. So, sometimes rotation O(1) can be better because it eliminates scanning remaining items O(log(n)). Because AVL tree, in average, makes more rotation, AVL tree is, usually, has better balance ~1.44 log(N) th...
in iPhone App How to detect the screen resolution of the device
...ainScreen] bounds]];
// Set the initial view controller to be the root view controller of the window object
self.window.rootViewController = initialViewController;
// Set the window object to be the key window and show it
[self.window makeKeyAndVisible];
i...
Browse orphaned commits in Git
...ommit 7949837, 06 Jul 2016)
reflog: continue walking the reflog past root commits
If a repository contains more than one root commit, then its HEAD reflog may contain multiple "creation events", i.e. entries whose "from" value is the null sha1.
Listing such a reflog currently stops prem...
JavaScript get window X/Y position for scroll
...ou have applied a border (not padding or margin, but actual border) to the root element, and at that, possibly only in certain browsers.
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NerdTree - Reveal file in tree
... tree exists for the current tab,
or the file is not under the current root, then initialize a new tree where
the root is the directory of the current file.
I don't think it's bound to anything by default, so you have to do a keybind yourself.
nmap ,n :NERDTreeFind<CR>
is what app...
Inheritance vs. Aggregation [closed]
...e functionality of the original class, is to split the original class in a root class and a sub class. And let the new class inherit from the root class. But you should take care with this, not to create an illogical separation.
Lets add an example. We have a class 'Dog' with methods: 'Eat', 'Walk'...
Why do we use arrays instead of other data structures?
...ss it, because I don't know where it is in memory. All I know is where the root (P1) is, so instead I have to start at P1, and follow each pointer to the desired node.
This is a O(N) look up time (The look up cost increases as each element is added). It is much more expensive to get to P1000 compa...