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How to mock an import
...{'app.app.models': models_mock}
patch.dict('sys.modules', modules).start()
def test1(self):
from app.app.models_interface.seat_interface import SeatInterface
And then test magically runs OK :)
.
Ran 1 test in 0.002s
OK
...
mysqli or PDO - what are the pros and cons? [closed]
...
I've started using PDO because the statement support is better, in my opinion. I'm using an ActiveRecord-esque data-access layer, and it's much easier to implement dynamically generated statements. MySQLi's parameter binding must ...
Invert “if” statement to reduce nesting
...econditions are a great example of where it is okay to return early at the start of the function. Why should the readability of the rest of the function be affected by the presence of a precondition check?
As for the negatives about returning multiple times from a method - debuggers are pretty powe...
What is the Ruby (spaceship) operator?
...
I will explain with simple example
[1,3,2] <=> [2,2,2]
Ruby will start comparing each element of both array from left hand side.
1 for left array is smaller than 2 of right array. Hence left array is smaller than right array. Output will be -1.
[2,3,2] <=> [2,2,2]
As above it will f...
Check to see if python script is running
...t to delete the file when you shut down cleanly, and check for it when you start up.
#/usr/bin/env python
import os
import sys
pid = str(os.getpid())
pidfile = "/tmp/mydaemon.pid"
if os.path.isfile(pidfile):
print "%s already exists, exiting" % pidfile
sys.exit()
file(pidfile, 'w').write...
How do I calculate percentiles with python/numpy?
...
Starting Python 3.8, the standard library comes with the quantiles function as part of the statistics module:
from statistics import quantiles
quantiles([1, 2, 3, 4, 5], n=100)
# [0.06, 0.12, 0.18, 0.24, 0.3, 0.36, 0.42, 0...
How to disable Google Chrome auto update?
...and hit ENTER.
Find the plugin called 'Google Update' and click disable.
Restart your browser for the changes to take effect.
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C pointer to array/array of pointers disambiguation
...know if it has an official name, but I call it the Right-Left Thingy(TM).
Start at the variable, then go right, and left, and right...and so on.
int* arr1[8];
arr1 is an array of 8 pointers to integers.
int (*arr2)[8];
arr2 is a pointer (the parenthesis block the right-left) to an array of 8 ...
Significance of -pthread flag when compiling
...
Try:
gcc -dumpspecs | grep pthread
and look for anything that starts with %{pthread:.
On my computer, this causes files to be compiled with -D_REENTRANT, and linked with -lpthread. On other platforms, this could differ. Use -pthread for most portability.
Using _REENTRANT, on GNU libc,...
Inner text shadow with CSS
...SS:
h1 {
color: black;
background-color: #cc8100;
}
Step 1
Let's start by making the text transparent:
h1 {
color: transparent;
background-color: #cc8100;
}
Step 2
Now, we crop that background to the shape of the text:
h1 {
color: transparent;
background-color: #cc8100;
ba...