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Python: print a generator expression?
...e generator expression into a list comprehension. It's the same thing and calling list() on it. So the way to make a generator expression into a list is to put brackets around it.
Detailed explanation:
A generator expression is a "naked" for expression. Like so:
x*x for x in range(10)
Now, you ...
In Swift how to call method with parameters on GCD main thread?
...() + 0.1) {
// your code here
}
Older versions of Swift used:
dispatch_async(dispatch_get_main_queue(), {
let delegateObj = UIApplication.sharedApplication().delegate as YourAppDelegateClass
delegateObj.addUIImage("yourstring")
})
...
When to use single quotes, double quotes, and backticks in MySQL
...
Michael all sorted now thanks. Might I suggest editing the chart to add bound variables. It is absolutely gorgeous and if another poor soul came along checking on :whatever that would be even more lovely. ATB Steve
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What are the differences between Abstract Factory and Factory design patterns?
...le the desired object
instantiation.
The quote assumes that an object is calling its own factory method here. Therefore the only thing that could change the return value would be a subclass.
The abstract factory is an object that has multiple factory methods on it. Looking at the first half of your...
How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]
...
With underscorejs
_.uniq([1, 2, 1, 3, 1, 4]); //=> [1, 2, 3, 4]
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How to solve “Fatal error: Class 'MySQLi' not found”?
...amazon linux, it would be something like sudo yum install php56-mysqlnd.x86_64 (pick the one matching to which version of php you have installed)
– auspicious99
Dec 3 '18 at 10:46
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POSTing a @OneToMany sub-resource association in Spring Data REST
...ion resource (considered to be $association_uri in the following), it generally takes these steps:
Discover the collection resource managing comments:
curl -X GET http://localhost:8080
200 OK
{ _links : {
comments : { href : "…" },
posts : { href : "…" }
}
}
Follow the comments l...
Eclipse JUNO doesn't start
...
that fixed it for me:
rm YOUR_WORKSPACE/.metadata/.plugins/org.eclipse.core.resources/.snap
credit:
http://www.metod.si/job-found-still-running-after-platform-shutdown-eclipse/
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Logger slf4j advantages of formatting with {} instead of string concatenation
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It is about string concatenation performance. It's potentially significant if your have dense logging statements.
(Prior to SLF4J 1.7) But only two parameters are possible
Because the vast majority of logging statements have 2 or fewer parameters, so SLF4J API up to version 1....
What are the differences between SML and OCaml? [closed]
...fe but restricted equality types in SML), non-generalized type variables ('_a in OCaml), printf, interpretation of file names as module names in OCaml, far more currying in OCaml's stdlib. You wrote interface twice when you meant something else (implementation?) the second time.
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