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How to solve PHP error 'Notice: Array to string conversion in…'
... Notice.
Correction 1: use the builtin php function print_r or var_dump:
http://php.net/manual/en/function.print-r.php or http://php.net/manual/en/function.var-dump.php
$stuff = array(1,2,3);
print_r($stuff);
$stuff = array(3,4,5);
var_dump($stuff);
Prints:
Array
(
[0] => 1
[1] =>...
Strip spaces/tabs/newlines - python
...out.
This is what I originally used:
import requests
import re
url = 'https://stackoverflow.com/questions/10711116/strip-spaces-tabs-newlines-python' # noqa
headers = {'user-agent': 'my-app/0.0.1'}
r = requests.get(url, headers=headers)
print("{}".format(r.content))
Undesired Result:
b'<!...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
...stalling "MySQL.prefPane".
Here is the complete tutorial which helped me:
http://obscuredclarity.blogspot.in/2009/08/install-mysql-on-mac-os-x.html
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The character encoding of the HTML document was not declared
... section of your HTML template
<meta content="text/html;charset=utf-8" http-equiv="Content-Type">
<meta content="utf-8" http-equiv="encoding">
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Creating the Singleton design pattern in PHP5
...
$fact == $fact2;
But:
$fact = new UserFactory()
Throws an error.
See http://php.net/manual/en/language.variables.scope.php#language.variables.scope.static to understand static variable scopes and why setting static $inst = null; works.
...
What is getattr() exactly and how do I use it?
...you'll see that (by default, at least) it chops up a request's URL, like:
http://www.example.com/customers/list
into "customers" and "list". Then it searches for a controller class named CustomerController. Assuming it finds the class, it creates an instance of the class and then uses getattr t...
App Inventor 2 Web客户端（Web）详细用法示例 · App Inventor 2 中文网
...在目录执行：
python3 upload-server.py
终端显示 上传网址：http://本机局域网IP:8768/upload。
中途验证：电脑浏览器打开 http://127.0.0.1:8768/，看到 {"uploads": []}。
第 2 步：确认手机连得到电脑
查电脑的局域网 IP（Windows 运行 ipconfig...
Why is __init__() always called after __new__()?
....number
Agent("a") is Agent("a") == True
I used this page as a resource http://infohost.nmt.edu/tcc/help/pubs/python/web/new-new-method.html
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Reverse colormap in matplotlib
...t a default _r for custom declared colormaps. Following example taken from http://matplotlib.org/examples/pylab_examples/custom_cmap.html:
cdict1 = {'red': ((0.0, 0.0, 0.0),
(0.5, 0.0, 0.1),
(1.0, 1.0, 1.0)),
'green': ((0.0, 0.0, 0.0),
...
Example of multipart/form-data
...
EDIT: I am maintaining a similar, but more in-depth answer at: https://stackoverflow.com/a/28380690/895245
To see exactly what is happening, use nc -l or an ECHO server and an user agent like a browser or cURL.
Save the form to an .html file:
<form action="http://localhost:8000" me...