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How to set auto increment primary key in PostgreSQL?
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A.H.A.H.
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How do you get a directory listing sorted by creation date in python?
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edited Mar 14 at 8:22
answered Feb 11 '09 at 21:58
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Prevent jQuery UI dialog from setting focus to first textbox
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answered May 4 '12 at 20:16
Patrick Lee ScottPatrick Lee Scott
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Dictionary returning a default value if the key does not exist [duplicate]
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4 Answers
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Active
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Best way to initialize (empty) array in PHP
...that may look like functions but aren't treated as such. Even with PHP 5.4, which supports [] as an alternative, there is no difference in overhead because, as far as the compiler/parser is concerned, they are completely synonymous.
// Before 5.4, you could only write
$array = array(
"foo" =&...
curl: (60) SSL certificate problem: unable to get local issuer certificate
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Bret Weinraub
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answered Aug 5 '15 at 11:00
DahomzDahomz
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Can you call Directory.GetFiles() with multiple filters?
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For .NET 4.0 and later,
var files = Directory.EnumerateFiles("C:\\path", "*.*", SearchOption.AllDirectories)
.Where(s => s.EndsWith(".mp3") || s.EndsWith(".jpg"));
For earlier versions of .NET,
var files = Director...
@UniqueConstraint annotation in Java
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427
To ensure a field value is unique you can write
@Column(unique=true)
String username;
The @...
How to dismiss ViewController in Swift?
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419
From you image it seems like you presented the ViewController using push
The dismissViewContr...
How to convert / cast long to String?
...ing.valueOf(date);
If your Long might be null and you don't want to get a 4-letter "null" string, you might use Objects.toString, like: String s = Objects.toString(date, null);
EDIT:
You reverse it using Long l = Long.valueOf(s); but in this direction you need to catch NumberFormatException
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