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How to import a module given its name as string?
... I get the answer here stackoverflow.com/a/44492879/248616 ie. calling globals().update(my_module.__dict)
– Nam G VU
Jun 12 '17 at 6:46
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Checking for an empty field with MySQL
...
I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6
– Scott Chu
Apr 15 '16 at 10:16
...
Java 8 Distinct by property
...euse the Predicate instance returned by distinctByKey. But it works if you call distinctByKey each time, so that it creates a fresh Predicate instance each time.
– Stuart Marks
Mar 14 '17 at 4:49
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How to “pretty” format JSON output in Ruby on Rails
...class PrettyJsonResponse
def initialize(app)
@app = app
end
def call(env)
status, headers, response = @app.call(env)
if headers["Content-Type"] =~ /^application\/json/
obj = JSON.parse(response.body)
pretty_str = JSON.pretty_unparse(obj)
response = [pretty_str]
...
Create instance of generic type whose constructor requires a parameter?
...ator class though. Didn't hear of it before.
– Boris Callens
Apr 9 '09 at 11:29
3
This one worked...
Can a CSS class inherit one or more other classes?
...e CSS at a higher level of abstraction similar to what you describe.
Less calls these "Mixins"
Instead of
/* CSS */
#header {
-moz-border-radius: 8px;
-webkit-border-radius: 8px;
border-radius: 8px;
}
#footer {
-moz-border-radius: 8px;
-webkit-border-radius: 8px;
border-radius: 8px...
Can one do a for each loop in java in reverse order?
...
That's basically what Google's Iterables.reverse does, yes :)
– Jon Skeet
Jul 8 '09 at 13:50
10
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Fastest way to iterate over all the chars in a String
... is sufficiently optimized to inline and streamline any 'string.charAt(n)' calls.
THIRD UPDATE: As of 2020-09-07, on my Ryzen 1950-X 16 core and source 1.14, 'charAt1' is 9 times slower than field access and 'charAt2' is 4 times slower than field access. Field access is back as the clear winner. Not...
Prevent linebreak after
...l element. It will still take up space as if it were a block, however the width will be fitted to the content (assuming width:auto;). It can require a clear:left; for certain effects.
display:inline-block; is the "best of both worlds" option. The div is treated as a block element. It responds to al...
How to read last commit comment?
... And yes, @Juh_, even though git gui doesn't linewrap for you, it's a good idea to use 80column text in commit messages, not line-per-paragraph.
– Peter Cordes
Dec 13 '14 at 1:06
4...