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How to iterate over associative arrays in Bash
...usion in the other answer comes from the fact that your question includes "foo" and "bar" for both the keys and the values.
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Counting the occurrences / frequency of array elements
...
Here you go:
function foo(arr) {
var a = [], b = [], prev;
arr.sort();
for ( var i = 0; i < arr.length; i++ ) {
if ( arr[i] !== prev ) {
a.push(arr[i]);
b.push(1);
} else {
b[b.le...
Replace one substring for another string in shell script
...e first part has to be a variable reference. You can't do echo ${my string foo/foo/bar}. You'd need input="my string foo"; echo ${input/foo/bar}
– Henrik N
Sep 15 '16 at 7:42
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Rails has_and_belongs_to_many migration
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Which comes first? foo or foo_bar?
– B Seven
Feb 27 '15 at 18:04
1
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Add Variables to Tuple
...rom the original tuple along with the new element.
>>> tuple1 = ("foo", "bar")
>>> tuple2 = (*tuple1, "baz")
>>> tuple2
('foo', 'bar', 'baz')
The byte code is almost the same as tuple1 + ("baz",)
Python 3.7.5 (default, Oct 22 2019, 10:35:10)
[Clang 10.0.1 (clang-1001.0....
AngularJS - placeholder for empty result from filter
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I use ng-controller="FooController as $ctrl" and did "bar in $ctrl.filteredBars = (bars | filter:barFilter)" so I could even use $ctrl.filteredBars.length outside the ng-repeat. Thanks for this epic hint!
– xlttj
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RegEx to exclude a specific string constant [duplicate]
...siest way would be to use a negative-match option, for example:
$var !~ /^foo$/
or die "too much foo";
If not, you have to do something evil:
$var =~ /^(($)|([^f].*)|(f[^o].*)|(fo[^o].*)|(foo.+))$/
or die "too much foo";
That one basically says "if it starts with non-f, the rest can be...
Java's Interface and Haskell's type class: differences and similarities?
...tself, like how Comparable<T> does it, where you are expected to use Foo implements Comparable<Foo> so that the compareTo(T otherobject) kind of has type t -> t -> Ordering. But that still requires the programmer to follow this rule, and also causes headaches when people want to ma...
Default value in Doctrine
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Use:
options={"default":"foo bar"}
and not:
options={"default"="foo bar"}
For instance:
/**
* @ORM\Column(name="foo", type="smallint", options={"default":0})
*/
private $foo
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A numeric string as array key in PHP
...hat the behaviour is similar but not identical to JavaScript object keys.
foo = { '10' : 'bar' };
foo['10']; // "bar"
foo[10]; // "bar"
foo[012]; // "bar"
foo['012']; // undefined!
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