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How do JavaScript closures work?
...clared outside the function, regardless of when and where the function is called.
If a function was called by a function, which in turn was called by another function, then a chain of references to outer lexical environments is created. This chain is called the scope chain.
In the following code, in...
Importing from builtin library when module with same name exists
Situation:
- There is a module in my project_folder called calendar
- I would like to use the built-in Calendar class from the Python libraries
- When I use from calendar import Calendar it complains because it's trying to load from my module.
...
RESTful Authentication
...ture is a matter of debate.
Commonly, it can be achieved, in the SOA over HTTP world via:
HTTP basic auth over HTTPS;
Cookies and session management;
Token in HTTP headers (e.g. OAuth 2.0 + JWT);
Query Authentication with additional signature parameters.
You'll have to adapt, or even better mix...
How to make an app's background image repeat
...<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/actual_pattern_image"
android:tileMode="repeat" />
values/styles.xml:
<?xml version="1.0" encoding="utf-8"?>
<resources>
...
How do I convert datetime to ISO 8601 in PHP
...PHP 5 you can use this: echo date("c"); form ISO 8601 formatted datetime.
http://ideone.com/nD7piL
Note for comments:
Regarding to this, both of these expressions are valid for timezone, for basic format: ±[hh]:[mm], ±[hh][mm], or ±[hh].
But note that, +0X:00 is correct, and +0X00 is incorrec...
Python read-only property
...
Generally, Python programs should be written with the assumption that all users are consenting adults, and thus are responsible for using things correctly themselves. However, in the rare instance where it just does not make sens...
Finding what methods a Python object has
Given a Python object of any kind, is there an easy way to get the list of all methods that this object has?
19 Answers
...
AngularJS-Twig conflict with double curly braces
...ider){
$interpolateProvider.startSymbol('{[{').endSymbol('}]}');
});
https://docs.angularjs.org/api/ng/provider/$interpolateProvider
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Change MySQL default character set to UTF-8 in my.cnf?
...ed instead of Latin1. Obviously.
# NOTE "utf8" in MySQL is NOT full UTF-8: http://mathiasbynens.be/notes/mysql-utf8mb4
[client]
default-character-set = utf8mb4
[mysqld]
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
[mysql]
default-character-set = utf8mb4
New Settings
mys...
demystify Flask app.secret_key
...s 'eb84e8da7ca23e9f83....'
# so you get the code from the mirror
download https://mirror.example-codedump.com/source_code.tar.gz
# you calculate the hash as instructed
sha1(source_code.tar.gz)
> eb84e8da7c....
Both hashes are the same, you know that you have an identical copy.
What's a coo...