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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...ou simply pass to other objects because they need it. Here's a recent post from 'uncle Bob' (Robert Martin) discussing manual DI vs using framework.
Some more thoughts on Flavius's solution. I don't want this post to be an anti-post but I think it's important to see why dependency injection is, a...
Joda-Time: what's the difference between Period, Interval and Duration?
...cking the appropriate one for the job rather than of relative performance. From the documentation with comments added by me in italics:
An interval in Joda-Time represents an interval of time from one millisecond instant to another instant. Both instants are fully specified instants in the dateti...
How to find the Git commit that introduced a string in any branch?
... or removed the fixed string whatever. The --all parameter means to start from every branch and --source means to show which of those branches led to finding that commit. It's often useful to add -p to show the patches that each of those commits would introduce as well.
Versions of git since 1.7....
Studies on optimal code width?
...
Actually, the 80-column thing long precedes DOS. It comes from card punches, which were 80-column devices.
And to kind of answer the OP's question, one "study" has been going on for about 600 years now - the printed book. These have evolved over the centuries, with readbility forem...
Is there a library function for Root mean square error (RMSE) in python?
..._error function. The RMSE is just the square root of whatever it returns.
from sklearn.metrics import mean_squared_error
from math import sqrt
rms = sqrt(mean_squared_error(y_actual, y_predicted))
share
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What's the best strategy for unit-testing database-driven applications?
...ying complexity on the backend. Typically, there's an ORM layer separate from the business and presentation logic. This makes unit-testing the business logic fairly straightforward; things can be implemented in discrete modules and any data needed for the test can be faked through object mocking.
...
Can a shell script set environment variables of the calling shell? [duplicate]
...d
ln -s setit setit-csh
Now either directly or in an alias, you do this from sh
eval `setit-sh`
or this from csh
eval `setit-csh`
setit uses $0 to determine its output style.
This is reminescent of how people use to get the TERM environment variable set.
The advantage here is that setit i...
how to get the cookies from a php curl into a variable
... and a string with the header line.
You can use a code like this (adapted from TML response):
$cookies = Array();
$ch = curl_init('http://www.google.com/');
// Ask for the callback.
curl_setopt($ch, CURLOPT_HEADERFUNCTION, "curlResponseHeaderCallback");
$result = curl_exec($ch);
var_dump($cookies)...
Storing money in a decimal column - what precision and scale?
... a popular choice (a quick Google bears this out). I think this originates from the old VBA/Access/Jet Currency data type, being the first fixed point decimal type in the language; Decimal only came in 'version 1.0' style (i.e. not fully implemented) in VB6/VBA6/Jet 4.0.
The rule of thumb for stora...
What is uintptr_t data type
...t standard) even in C++11! cplusplus.com/reference/cstdint (I got the hint from Steve Jessop answer)
– Antonio
Oct 1 '14 at 20:56
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