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What do parentheses surrounding an object/function/class declaration mean? [duplicate]
...accessed at all from outside the function, making it truly private.
See:
http://en.wikipedia.org/wiki/Closure_%28computer_science%29
http://peter.michaux.ca/articles/javascript-namespacing
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docker error: /var/run/docker.sock: no such file or directory
...ave succeeded in building. "docker images": gives 2014/08/19 11:11:45 Get http:///var/run/docker.sock/v1.13/images/json: dial unix /var/run/docker.sock: no such file or directory. Should the docker be placed in the home directory and can it be named with any name? Is it the same as "image-name"?
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find vs find_by vs where
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Use whichever one you feel suits your needs best.
The find method is usually used to retrieve a row by ID:
Model.find(1)
It's worth noting that find will throw an exception if the item is not found by the attribute that you supply. Use where (as described below, which will return an empty arr...
Read a zipped file as a pandas DataFrame
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https://www.kaggle.com/jboysen/quick-gz-pandas-tutorial
Please follow this link.
import pandas as pd
traffic_station_df = pd.read_csv('C:\\Folders\\Jupiter_Feed.txt.gz', compression='gzip',
he...
Difference between getDefaultSharedPreferences and getSharedPreferences
...ivity context
PreferenceManager.getDefaultSharedPreferences(context)
See https://developer.android.com/reference/android/support/v7/preference/PreferenceManager#getdefaultsharedpreferences
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How to unset a JavaScript variable?
...ions to delete as with any language, if you care enough you should read:
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Operators/Special_Operators/delete_Operator
http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf
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Hyphen, underscore, or camelCase as word delimiter in URIs?
I'm designing an HTTP-based API for an intranet app. I realize it's a pretty small concern in the grand scheme of things, but: should I use hyphens, underscores, or camelCase to delimit words in the URIs?
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How does this site infecting script work?
.../softonic.com/google.com/livejasmin.com/videosz.com/
(I manually changed http: to evil:)
Note that the regex could have been simplified to .replace(/[#$@^&()!]/ig, '')
If you look at the script, you'll see that it's a very simple script that injects a hidden IFRAME containing the path /index...
How to convert an array into an object using stdClass() [duplicate]
..., 'varsta' => 25)
);
If you want to see is this stdClass object just call this
print_r($clasa);
If you want to convert an array to object code will be
$arr = array('a'=>'apple','b'=>'ball');
$arr = (object) $arr;
You don't need to use stdClass. It will automatically converted to st...
How to elegantly ignore some return values of a MATLAB function?
... return value from a function without having to create dummy variables for all n-1 return values before it?
8 Answers
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