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remove objects from array by object property
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You can remove an item by one of its properties without using any 3rd party libs like this:
var removeIndex = array.map(item => item.id)
.indexOf("abc");
~removeIndex && array.splice(removeIndex, 1);
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Can I find out the return value before returning while debugging in Eclipse?
...subsequently reopened in late 2009. Still awaiting a fix, though, with no one assigned, and no Target Milestone. :)
– Mark A. Fitzgerald
Jan 12 '15 at 18:02
1
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Print PHP Call Stack
... are looking for debug_backtrace and/or debug_print_backtrace.
The first one will, for instance, get you an array like this one (quoting the manual) :
array(2) {
[0]=>
array(4) {
["file"] => string(10) "/tmp/a.php"
["line"] => int(10)
["function"] => string(6) "a_test"
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__getattr__ on a module
...ort time) should be no longer necessary.
In Python 3.7+, you just use the one obvious way. To customize attribute access on a module, define a __getattr__ function at the module level which should accept one argument (name of attribute), and return the computed value or raise an AttributeError:
#...
Why do we need private subnet in VPC?
...ill be used as described, or the Managed NAT Gateway service can be provisioned, instead. An expanded version of this answer integrating more information about NAT Gateway and how it compares to a NAT instance will be forthcoming, as these are both relevant to the private/public subnet paradigm in ...
Prevent double curly brace notation from displaying momentarily before angular.js compiles/interpola
...Expression}} in the markup are displayed, then disappear once angular is done with it's compilation/interpolation of the document.
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How random is JavaScript's Math.random?
...For the record, I voted up both this and @jwoolard's answers. I chose this one as the accepted answer because the examples make it clear as crystal why the distribution of numbers is skewed to numbers with more digits.
– Andrew Hedges
Jun 30 '09 at 11:13
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Javascript: best Singleton pattern [duplicate]
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"It won't if"... please, anyone still could overwrite the singleton by e.g. injecting javascript trough a bookmarklet/favlet when not using the closure pattern. It's not just about you using your own code properly, but also about avoiding malicious atta...
Getting the ID of the element that fired an event
..., event.target doesn't permit access to its custom attributes. To do that, one must use $(this).attr("organization:thingy");.
– Zian Choy
Sep 8 '09 at 7:00
16
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Best way to convert strings to symbols in hash
...my_hash.transform_keys(&:to_sym)
Using older Ruby version? Here is a one-liner that will copy the hash into a new one with the keys symbolized:
my_hash = my_hash.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
With Rails you can use:
my_hash.symbolize_keys
my_hash.deep_symbolize_keys
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