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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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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 " ...
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...
Pythonic way to combine FOR loop and IF statement
... print(x)
12
242
Notice that the generator was kept inline. This was tested on python2.7 and python3.6 (notice the parens in the print ;) )
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Hide scroll bar, but while still being able to scroll
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Just a test which is working fine.
#parent{
width: 100%;
height: 100%;
overflow: hidden;
}
#child{
width: 100%;
height: 100%;
overflow-y: scroll;
padding-right: 17px; /* Increase/decrease this value for ...
Rename Pandas DataFrame Index
... Pandas 0.14. Apparently that was only broken briefly and included when I tested it.
– David Smith
Aug 3 '14 at 12:24
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How do I detect that an iOS app is running on a jailbroken phone?
...close(f);
NSError *error;
NSString *stringToBeWritten = @"This is a test.";
[stringToBeWritten writeToFile:@"/private/jailbreak.txt" atomically:YES encoding:NSUTF8StringEncoding error:&error];
[[NSFileManager defaultManager] removeItemAtPath:@"/private/jailbreak.txt" error:nil];
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