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Select last N rows from MySQL
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But then you just do a php array_reverse() or whatever the equivalent is in your scripting language of choice. The database doesn't need to do that work.
– Joe
Aug 7 '16 at 22:58
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How to get all columns' names for all the tables in MySQL?
...$table";
if($output = mysql_query($query)):
$columns = array();
while($result = mysql_fetch_assoc($output)):
$columns[] = $result['Field'];
endwhile;
endif;
echo '<pre>';
print_r($columns);
echo '</p...
How to create duplicate allowed attributes
... It is even possible to have the MyCustomAttribute constructor take an array of strings, a string[], with or without the params modifier. Then it could be applied with the syntax [MyCustom("CONTROL", "ALT", "SHIFT", "D")] (with params).
– Jeppe Stig Nielsen
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How to make Sequelize use singular table names
...son" as an object when a single record is being queried and "people" as an array when we fetch multiple records.
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Printing HashMap In Java
...ew HashMap<>();
map.put("a", 1);
map.put("b", 2);
System.out.println(Arrays.asList(map)); // method 1
System.out.println(Collections.singletonList(map)); // method 2
Both method 1 and method 2 output this:
[{b=2, a=1}]
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Convert object to JSON in Android
...leans, and
nulls) as well as the begin and end delimiters of objects and arrays.
The tokens are traversed in depth-first order, the same order that
they appear in the JSON document. Within JSON objects, name/value
pairs are represented by a single token.
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How can you check for a #hash in a URL using JavaScript?
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@Dunc: Well JS arrays are basically Objects. Accessing them by index is like accessing an Object property like so: obj['0']. In JS this is true: arr[0] === arr['0'] Therefore if the index/key doesn't exist the returned value is undefined in...
Using Rails serialize to save hash to database
...sh of comparative size, this would easily exceed the length. Same case for Arrays. Text allows for much bigger lengths.
– Benjamin Tan Wei Hao
Apr 19 '12 at 6:08
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Performance - Date.now() vs Date.getTime()
...ll be about 2x slower than Date.now()
The same principle should apply for Array.prototype.slice.call(arguments, 0) vs [].slice.call(arguments, 0)
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AngularJS - placeholder for empty result from filter
...eat="friend in friends | filter:q as results"
Then use the results as an array
<li class="animate-repeat" ng-if="results.length == 0">
<strong>No results found...</strong>
</li>
Full snippet:
<div ng-controller="repeatController">
I have {{friends.length}} frien...