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What is the best place for storing uploaded images, SQL database or disk file system? [closed]
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please add a few more notes on security/preventing files from destroying your web site
– Andrew
Jan 26 '17 at 17:43
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AttributeError: 'module' object has no attribute 'tests'
...est case just try import the test case file in python console.
Example:
from project.apps.app1.tests import *
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Mediator Vs Observer Object-Oriented Design Patterns
...t of objects interact. Mediator promotes loose coupling by keeping objects from referring to each other explicitly, and it lets you vary their interaction independently.
Source: dofactory
Example:
The observer pattern:
Class A, can have zero or more observers of type O registered with it. When s...
How to convert R Markdown to PDF?
...g.,
render("input.Rmd", "pdf_document")
Command-line:
When I run render from the command-line (e.g., using a makefile), I sometimes have issues with pandoc not being found. Presumably, it is not on the search path.
The following answer explains how to add pandoc to the R environment.
So for exam...
Why are dates calculated from January 1st, 1970?
...ing is standard.
Two Dozen Epochs
Time in computing is not always tracked from the beginning of 1970 UTC. While that epoch reference is popular, various computing environments over the decades have used at least nearly two dozen epochs. Some are from other centuries. They range from year 0 (zero) t...
Increasing the maximum number of TCP/IP connections in Linux
...ort range defines the maximum number of outbound sockets a host can create from a particular I.P. address. The fin_timeout defines the minimum time these sockets will stay in TIME_WAIT state (unusable after being used once).
Usual system defaults are:
net.ipv4.ip_local_port_range = 32768 61000
n...
How to extract base URL from a string in JavaScript?
...ying to find a relatively easy and reliable method to extract the base URL from a string variable using JavaScript (or jQuery).
...
“android.view.WindowManager$BadTokenException: Unable to add window” on buider.show()
From my main activity , I need to call an inner class and in a method within the class, I need to show AlertDialog . After dismissing it, when the OK button is pressed, forward to Google Play for purchase.
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Writing Unicode text to a text file?
...nicode to variable-byte-length utf-8 conversion is automatically performed from memory to file.)
out1 = "(嘉南大圳 ㄐㄧㄚ ㄋㄢˊ ㄉㄚˋ ㄗㄨㄣˋ )"
fobj = open("t1.txt", "w", encoding="utf-8")
fobj.write(out1)
fobj.close()
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How does this CSS produce a circle?
...border. If you set border-radius to 50 pixels then it would take 25 pixels from one side and 25 pixels from another side.
And taking 25 pixels from each side it would produce like this:
div{
width: 0px;
height: 0px;
border: 180px solid red;
border-radius: 0 50px 0 0;
}
Now se...