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What's the “big idea” behind compojure routes?
...uential things
(not just vectors), like vectors,
lists, seqs, strings, arrays, and
anything that supports nth. The basic
sequential form is a vector of
binding-forms, which will be bound to
successive elements from the
init-expr, looked up via nth. In
addition, and optionally, & ...
How do I list the functions defined in my shell?
...an): compgen -A function | grep "^[a-z]\+" | grep -vE "^dequote|^quote|^in_array"
– Dmytro Dzyubak
Jul 24 '16 at 16:00
add a comment
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Indexes of all occurrences of character in a string
...
String string = "bannanas";
ArrayList<Integer> list = new ArrayList<Integer>();
char character = 'n';
for(int i = 0; i < string.length(); i++){
if(string.charAt(i) == character){
list.add(i);
}
}
Result would be used like...
Numeric for loop in Django templates
...xcept: return []. That way it never raises an error and returns an empty array (similar to how most template functions work).
– Tim Tisdall
Sep 28 '17 at 16:14
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How do I generate random numbers in Dart?
...u can use the DOM cryptography API:
int random() {
final ary = new Int32Array(1);
window.crypto.getRandomValues(ary);
return ary[0];
}
This works in Dartium, Chrome, and Firefox, but likely not in other browsers as this is an experimental API.
...
Convert hyphens to camel case (camelCase)
...o me. Personally I try to avoid regular expressions when simple string and array methods will suffice:
let upFirst = word =>
word[0].toUpperCase() + word.toLowerCase().slice(1)
let camelize = text => {
let words = text.split(/[-_]/g) // ok one simple regexp.
return words[0].toLowerCas...
MongoDb query condition on comparing 2 fields
...could be the cause of this behaviour? EDIT: Never mind, I wasnt passing an array to aggregate() but rather each aggregation as a parameter itself, missed that.
– ThatBrianDude
Aug 24 '17 at 14:02
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how to display full stored procedure code?
...
[42809] ERROR: "array_agg" is an aggregate function
– Daniel L. VanDenBosch
Oct 5 '17 at 17:28
1
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How to access class constants in Twig?
...MyClass');
$constants = $class->getConstants();
return array(
'MyClass' => $constants
);
}
}
Now you can use constants in Twig like:
{{ MyClass.MY_CONSTANT }}
share
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How do you comment out code in PowerShell?
... here looking for how to temporarily comment out individual elements of an array all declared on one line.
– Chris Oldwood
Apr 23 '18 at 9:46
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