大约有 15,490 项符合查询结果（耗时：0.0329秒） [XML]
MongoDB: Is it possible to make a case-insensitive query?
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I recently tested with mongodb 3.0.4 with 100,000 records with a name field indexed. The case insensitive regex query takes over 200ms where casesensitive regex takes about 16ms.(Both cases include regex start with '^')
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How to align content of a div to the bottom
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@fguillen: tested in Chrome (v31) just now as well. Works there, too.
– Daniel Szabo
Dec 18 '13 at 7:14
5
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Detecting superfluous #includes in C/C++?
... relatively slow. Eclipse CDT's analysis is fast (interactive) and, when I tested it, less accurate.
– Josh Kelley
Jul 12 '18 at 15:19
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sho...
How does inheritance work for Attributes?
...of MySubClass...
MySubClass MySubClassInstance = new MySubClass();
Then test to see if it has the attribute...
MySubClassInstance <--- now has the MyUberAttribute with "Bob" as the SpecialName value.
share
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Aligning textviews on the left and right edges in Android layout
...out option). Give the second view the remaining space so gravity can work. Tested back to API 16.
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wra...
How do I concatenate const/literal strings in C?
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Strings can also be concatenated at compile time.
#define SCHEMA "test"
#define TABLE "data"
const char *table = SCHEMA "." TABLE ; // note no + or . or anything
const char *qry = // include comments in a string
" SELECT * " // get all fields
" FROM " ...
Constantly print Subprocess output while process is running
...stderr=subprocess.STDOUT this captures stderr, and I believe (but I've not tested) that it also captures stdin.
– Andrew Martin
May 13 '14 at 18:11
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Can clearInterval() be called inside setInterval()?
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Yes you can. You can even test it:
var i = 0;
var timer = setInterval(function() {
console.log(++i);
if (i === 5) clearInterval(timer);
console.log('post-interval'); //this will still run after clearing
}, 200);
In this example,...
Getting the name of a child class in the parent class (static context)
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I know its old post but want to share the solution I have found.
Tested with PHP 7+
Use the function get_class()link
<?php
abstract class bar {
public function __construct()
{
var_dump(get_class($this));
var_dump(get_class());
}
}
class foo extends bar {
}
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How to serialize an object into a string
...turn Base64.getEncoder().encodeToString(baos.toByteArray());
}
}
/** Test subject. A very simple class. */
class SomeClass implements Serializable {
private final static long serialVersionUID = 1; // See Nick's comment below
int i = Integer.MAX_VALUE;
String s = "ABCDEFGHIJKL...