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What is the difference between . (dot) and $ (dollar sign)?
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One application that is useful and took me some time to figure out from the very short description at learn you a haskell: Since:
f $ x = f x
and parenthesizing the right hand side of an expression containing an infix operator converts it to a prefix function, one can write ($ 3) (4+) ana...
How to automatically start a service when running a docker container?
...tabase is running or not. In most mysqld setups, the server will recover from soe errors and in the process of doing this the error log will be closed and then reopened. I am also unsure that your tail -F will work out for you in all or even some cases.
– Brian Aker
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Calculate distance between two points in google maps V3
...e distance between two markers in Google maps V3? (Similar to the distanceFrom function inV2.)
15 Answers
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C# 4.0 optional out/ref arguments
...akes a very good sense.
However, to add some more details, here is a quote from the C# 4.0 Specification, section 21.1:
Formal parameters of constructors, methods, indexers and delegate types can be declared optional:
fixed-parameter:
attributesopt parameter-modifieropt type iden...
PyLint, PyChecker or PyFlakes? [closed]
...aniel Rosengren, modified by e-satis
"""
Module doctring
"""
import time
from sys import stdout
BAILOUT = 16
MAX_ITERATIONS = 1000
def mandelbrot(dim_1, dim_2):
"""
function doc string
"""
cr1 = dim_1 - 0.5
ci1 = dim_2
zi1 = 0.0
zr1 = 0.0
for i in xrange(MAX_ITER...
AngularJS ng-class if-else expression
... set in the controller and then determining which class to use in the HTML from the variable is the better solution.
– VtoCorleone
Nov 19 '14 at 19:34
1
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Bootstrap throws Uncaught Error: Bootstrap's JavaScript requires jQuery [closed]
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If it's not working from this.. it might be that jQuery is installed via Bower and so you might need to look under bower_components/jquery/dist/jquery.js .. the "dist" part being what I had overlooked.
– Jax Cavalera
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Sourcemaps off by one line in Chrome, with Ruby on Rails, Webpack, and React JS
...es are ReactJS components, and are parsed by the jsx loader. The output from Webpack is then included in the application.js file along with some other JavaScript libraries generated by gems.
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How do I find out if the GPS of an Android device is enabled
...y are privacy settings and we have to check if they are switched on or not from the program and handle it if they are not switched on.
you can notify the user that GPS is turned off and use something like this to show the settings screen to the user if you want.
Check if location providers are avai...
Spring RestTemplate timeout
...e I use the RestOperations interface in my code and get the timeout values from a properties file.
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