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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...
Why is Magento so slow? [closed]
...o slow
Parts of Magento use an EAV database system implemented on top of MySQL. This means querying for a single "thing" often means querying multiple rows
There's a lot of things behind the scenes (application configuration, system config, layout config, etc.) that involve building up giant XML ...
What are the options for storing hierarchical data in a relational database? [closed]
...
Columns: one for each lineage level, refers to all the parents up to the root, levels below the current items' level are set to 0 (or NULL)
There is a fixed limit to how deep the hierarchy can be
Cheap ancestors, descendants, level
Cheap insert, delete, move of the leaves
Expensive insert, delete,...
How to generate .NET 4.0 classes from xsd?
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2.
Within “XML Schema Explorer” scroll all the way down to find the root/data node. Right click on root/data node and it will show “Generate Sample XML”. If it does not show, it means you are not on the data element node but you are on any of the data definition node.
Copy your genera...
Django: How to manage development and production settings?
...
MIDDLEWARE = [...]
TEMPLATES = [{...}]
...
STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')
MEDIA_ROOT = os.path.join(BASE_DIR, '/path/')
MEDIA_URL = '/path/'
Open dev.py and include that stuff which is development specific for example:
dev.py:
DEBUG = True
ALLOWED_HOST...
How to tell bash that the line continues on the next line
...st character before the end of line character. Consider this command:
mysql -uroot \
-hlocalhost
If there is a space after \, the line continuation will not work. The reason is that \ removes the special meaning for the next character which is a space not the invisible line feed cha...