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Is short-circuiting logical operators mandated? And evaluation order?
... @Joe: but return value and arguments of the operator may change from boolean to something else. I used to implement "special" logic with THREE values ("true", "false" and "unknown"). Return value is deterministic, but short-circuiting behaviour is not appropriate.
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Sort an Array by keys based on another Array?
...ou give it (in the proper order) and overwriting/adding the keys with data from your actual array:
$customer['address'] = '123 fake st';
$customer['name'] = 'Tim';
$customer['dob'] = '12/08/1986';
$customer['dontSortMe'] = 'this value doesnt need to be sorted';
$properOrderedArray = array_merge(ar...
Using %f with strftime() in Python to get microseconds
...strftime accepts a timetuple that does not carry microsecond information.
from datetime import datetime
datetime.now().strftime("%H:%M:%S.%f")
Should do the trick!
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How to force a view refresh without having it trigger automatically from an observable?
...7397%2fhow-to-force-a-view-refresh-without-having-it-trigger-automatically-from-an-obse%23new-answer', 'question_page');
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Remove an item from a dictionary when its key is unknown
What is the best way to remove an item from a dictionary by value, i.e. when the item's key is unknown? Here's a simple approach:
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Is there documentation for the Rails column types?
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Guidelines built from personal experience:
String:
Limited to 255 characters (depending on DBMS)
Use for short text fields (names, emails, etc)
Text:
Unlimited length (depending on DBMS)
Use for comments, blog posts, etc. General rule ...
Why does “pip install” inside Python raise a SyntaxError?
I'm trying to use pip to install a package. I try to run pip install from the Python shell, but I get a SyntaxError . Why do I get this error? How do I use pip to install the package?
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Difference between declaring variables before or in loop?
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Which is better, a or b?
From a performance perspective, you'd have to measure it. (And in my opinion, if you can measure a difference, the compiler isn't very good).
From a maintenance perspective, b is better. Declare and initialize variables in t...
Read and write a String from text file
I need to read and write data to/from a text file, but I haven't been able to figure out how.
21 Answers
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Android Paint: .measureText() vs .getTextBounds()
...result of measureText.
It's seen that bounds left part starts some pixels from left, and value of measureText is incremented by this value on both left and right. This is something called Glyph's AdvanceX value. (I've discovered this in Skia sources in SkPaint.cpp)
So the outcome of the test is th...