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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 can I repeat a character in Bash?
...s.
The entries are:
listed in ascending order of execution duration (fastest first)
prefixed with:
M ... a potentially multi-character solution
S ... a single-character-only solution
P ... a POSIX-compliant solution
followed by a brief description of the solution
suffixed with the name of the ...
Install dependencies globally and locally using package.json
...bably want to do is just put those types of command dependencies for build/test etc. in the devDependencies section of your package.json. Anytime you use something from scripts in package.json your devDependencies commands (in node_modules/.bin) act as if they are in your path.
For example:
npm i -...
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
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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
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Measuring code execution time
...want to know how much time a procedure/function/order takes to finish, for testing purposes.
7 Answers
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Try-finally block prevents StackOverflowError
... @assylias: if there's not enough space, you will return from the latest foo() invocation, and invoke foo() in the finally block of your current foo() invocation.
– ninjalj
Sep 15 '12 at 16:10
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