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MySQL: What's the difference between float and double?
...
Perhaps this example could explain.
CREATE TABLE `test`(`fla` FLOAT,`flb` FLOAT,`dba` DOUBLE(10,2),`dbb` DOUBLE(10,2));
We have a table like this:
+-------+-------------+
| Field | Type |
+-------+-------------+
| fla | float |
| flb | float |
| dba ...
Spring AOP vs AspectJ
...in conjunction with the aspectj-maven-plugin then you are able to run unit tests against your aspects in a CI environment and have confidence that built artifacts are tested and correctly woven. While you can certainly write Spring driven unit tests, you still have no guarantee that the deployed cod...
How to create a private class method?
...thermore, the method is operating
# solely upon 'reference' and 'under_test' and will be flagged as having
# low cohesion by quality metrics unless made a class method.
def self.compare(reference, under_test)
# special floating point comparison
(reference - under_test).ab...
How do I check if the mouse is over an element in jQuery?
...You can also use this answer : https://stackoverflow.com/a/6035278/8843 to test if the mouse is hover an element :
$('#test').click(function() {
if ($('#hello').is(':hover')) {
alert('hello');
}
});
share
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Is it possible to decompile a compiled .pyc file into a .py file?
... recent tool, aiming to unify earlier forks and focusing on automated unit testing. The GitHub page has more details.
if you use Python 3.7+, you could also try decompile3, a fork of Uncompyle6 focusing on 3.7 and higher.
do raise GitHub issues on these projects if needed - both run unit test suit...
Should I make HTML Anchors with 'name' or 'id'?
...ir order within the page), Chrome and Firefox will jump to the id, but IE (tested in 11) and Edge will jump to the name
– Alvaro Montoro
Aug 5 '16 at 2:11
...
Getting a list of all subdirectories in the current directory
...differences between os.walk and os.listdir+os.path.isdir solutions: I just tested on a directory with 10,000 subdirectories (with millions of files in the hierarchy below) and the performance differences are negligible. os.walk: "10 loops, best of 3: 44.6 msec per loop" and os.listdir+os.path.isdir:...
Using str_replace so that it only acts on the first match?
... properly escaped because of preg_quote's second parameter (one can easily test that). I'd be interested to hear about specific issues (which would be serious PCRE security bugs in my book).
– MvanGeest
Jan 31 '17 at 2:30
...
Large-scale design in Haskell? [closed]
...Int, Address)
Good data structures (like zippers) can make some classes of testing needless, as they rule out e.g. out of bounds errors statically.
The profiler
Provide objective evidence of your program's heap and time profiles.
Heap profiling, in particular, is the best way to ensure no unnece...
How do I create a new line in Javascript?
...ML tag for a newline:
document.write("<br>");
The string Hello\n\nTest in your source will look like this:
Hello!
Test
The string Hello<br><br>Test will look like this in HTML source:
Hello<br><br>Test
The HTML one will render as line breaks for the person vie...