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JavaScript: What are .extend and .prototype used for?
...nction that copies the prototype of a new subclass that you want to extend from the base class.
So you can do something like:
extend( Fighter, Human )
And the Fighter constructor/object will inherit the prototype of Human, so if you define methods such as live and die on Human then Fighter will ...
How to serve an image using nodejs
...ow to serve images using Node.js" is not implementing a static file server from scratch and doing it badly. A good answer is using a module like Express that does the job correctly.
Answering comments that say that using Express "doesn't explain much other than how to rely on someone else to get th...
Putting git hooks into repository
...ave to do it themselves.
Second, directly symlinking hooks prevents users from adding in their own personal hooks. For example, I rather like the sample pre-commit hook which makes sure I don't have any whitespace errors. A great way around this is to drop in a hook wrapper script in your repo, and...
Convert json data to a html table [closed]
... to the table and returns the set of columns.
// Need to do union of keys from all records as some records may not contain
// all records.
function addAllColumnHeaders(myList, selector) {
var columnSet = [];
var headerTr$ = $('<tr/>');
for (var i = 0; i < myList.length; i++) {...
How to find list intersection?
...tackoverflow.com/q/3697432/4014959
Written by PM 2Ring 2015.10.16
'''
from __future__ import print_function, division
from timeit import Timer
setup = 'from __main__ import a, b'
cmd_lista = '[u for u in a if u in b]'
cmd_listb = '[u for u in b if u in a]'
cmd_lcsa = 'sa=set(a);[u for u in b ...
How to display full (non-truncated) dataframe information in html when converting from pandas datafr
I converted a pandas dataframe to an html output using the DataFrame.to_html function. When I save this to a separate html file, the file shows truncated output.
...
A semantics for Bash scripts?
...rd splitting) and C (much of the shell's arithmetic syntax semantics comes from C).
The other root of the shell's syntax comes from its upbringing as a mishmash of individual UNIX utilities. Most of what are often builtins in the shell can actually be implemented as external commands. It throws man...
what is the use of xsi:schemaLocation?
... that spring uses will read the schemaLocation values and try to load them from the internet, in order to validate the XML file. Spring, in turn, intercepts those load requests and serves up versions from inside its own JAR files.
If you omit the schemaLocation, then the XML parser won't know where...
Create an empty list in python with certain size
...uld still fail, as our list has only 10 elements.
range(x) creates a list from [0, 1, 2, ... x-1]
# 2.X only. Use list(range(10)) in 3.X.
>>> l = range(10)
>>> l
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
Using a function to create a list:
>>> def display():
... s1 = []
... ...
How to change ProgressBar's progress indicator color in Android
...
I copied this from one of my apps, so there's prob a few extra attributes, but should give you the idea. This is from the layout that has the progress bar:
<ProgressBar
android:id="@+id/ProgressBar"
style="?android:attr/progre...