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Difference between doseq and for in Clojure
...seq is for executing side-effects and returns nil.
user=> (for [x [1 2 3]] (+ x 5))
(6 7 8)
user=> (doseq [x [1 2 3]] (+ x 5))
nil
user=> (doseq [x [1 2 3]] (println x))
1
2
3
nil
If you want to build a new sequence based on other sequences, use for. If you want to do side-effects (print...
fancybox - d.onCleanup is not a function
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309
You forgot to add the CSS of fancybox. Once you include it everything should work fine.
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SQL: How to get the count of each distinct value in a column?
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318
SELECT
category,
COUNT(*) AS `num`
FROM
posts
GROUP BY
category
...
Is it considered bad practice to perform HTTP POST without entity body?
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edited Jul 1 '19 at 11:03
Gerard Bosch
33211 gold badge22 silver badges1616 bronze badges
answered Nov...
Getting assembly name
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354
System.Reflection.Assembly.GetExecutingAssembly().GetName().Name
or
typeof(Program).Assembl...
Dual emission of constructor symbols
...d name for your Thing::foo() is easily parsed:
_Z | N | 5Thing | 3foo | E | v
prefix | nested | `Thing` | `foo`| end nested | parameters: `void`
You can read the constructor names similarly, as below. Notice how the constructor "name" isn't given, but instead a C clause:
_Z |...
Finding the PHP File (at run time) where a Class was Defined
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3 Answers
3
Active
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Python integer division yields float
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Take a look at PEP-238: Changing the Division Operator
The // operator will be available to request floor division unambiguously.
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Inserting HTML into a div
...everyone did this!
– Enrico
Aug 1 '13 at 12:39
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How to tell if rails is in production?
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33
2 easy ways:
tail -f log/production.log
if there are entries populating that log after you h...