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Get array of object's keys
...ys(foo);
console.log(keys) // ['alpha', 'beta']
// (or maybe some other order, keys are unordered).
This is an ES5 feature. This means it works in all modern browsers but will not work in legacy browsers.
The ES5-shim has a implementation of Object.keys you can steal
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AngularJS - how to get an ngRepeat filtered result reference
...ng-model="query">
<div ng-repeat="item in (filteredItems = (items | orderBy:'order_prop' | filter:query | limitTo:4))">
{{item}}
</div>
Then $scope.filteredItems is accessible.
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Assert equals between 2 Lists in Junit
... or with a single line: assertThat(yourList.toArray(), arrayContainingInAnyOrder(1,2,3,4,5));
– user1778602
Mar 7 '18 at 5:25
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What .NET collection provides the fastest search
... is the fastest searchable collection" depends on your specific data size, ordered-ness, cost-of-hashing, and search frequency.
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Best practice? - Array/Dictionary as a Core Data Entity Attribute [closed]
...n be handled by Core Data.
Update
As of OS X 10.7, Core Data includes an ordered set type which can be used in place of an array. If you can target 10.7 or later, this is the best solution for ordered (array-like) collections.
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Concatenating multiple text files into a single file in Bash
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Just remember, for all the solutions given so far, the shell decides the order in which the files are concatenated. For Bash, IIRC, that's alphabetical order. If the order is important, you should either name the files appropriately (01file.txt, 02file.txt, etc...) or specify each file in the orde...
Vertical (rotated) text in HTML table
...enn: Well, yes, VB.NET code depends on VB.NET but you can do the same with PHP or Phyton or Ruby or whater :) By the way, convert it to C# and you can let it run on mono for Linux or Mac or Solaris.
– Stefan Steiger
Sep 2 '13 at 13:56
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How Do I Choose Between a Hash Table and a Trie (Prefix Tree)?
...ize of the key
Lookup can take less than k time if it's not there
Supports ordered traversal
No need for a hash function
Deletion is straightforward
New operations:
You can quickly look up prefixes of keys, enumerate all entries with a given prefix, etc.
Advantages of linked structure:
If th...
When should we call System.exit in Java
...and the shutdown process in java, in addition to the answer above:
In an orderly* shutdown, the JVM first starts all registered shutdown hooks. Shutdown hooks are unstarted threads that are registered with Runtime.addShutdownHook.
JVM makes no guarantees on the order in which shutdown hooks
are st...
Using querySelector with IDs that are numbers
... character that is a hex digit immediately follows the escape sequence, in order to distinguish that character from the escape sequence. See w3.org/TR/CSS21/syndata.html#characters for more details.
– BoltClock♦
May 18 '14 at 13:46
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