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Get a filtered list of files in a directory
...ead for very large data sets, but for listing a directory and other simple string filtering tasks, list comprehensions lead to more clean documentable code.
The only thing about this design is that it doesn't protect you against making the mistake of passing a string instead of a list. For example...
Resize image in PHP
... imagecreatefromgd, imagecreatefromgif, imagecreatefrompng, imagecreatefromstring, imagecreatefromwbmp, imagecreatefromxbm, imagecreatefromxpm to deal with different image types.
– Chris Hanson
Feb 1 '13 at 15:50
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Why does C# forbid generic attribute types?
... like [PropertyReference(x => x.SomeProperty)]. Instead, you need magic strings and typeof(), which I think kind of sucks.
– Asbjørn Ulsberg
Jun 25 '11 at 12:38
13
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What is the best regular expression to check if a string is a valid URL?
How can I check if a given string is a valid URL address?
55 Answers
55
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How to clear all s’ contents inside a parent ?
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Using .empty() would be a better option as no string parsing is involved. It operates directly on the DOM object model.
– Drew Noakes
Aug 22 '10 at 19:43
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Is there a concurrent List in Java's JDK?
...s, you can loop over the contents using the enhanced for syntax:
Queue<String> globalQueue = new ConcurrentLinkedQueue<String>();
//Multiple threads can safely call globalQueue.add()...
for (String href : globalQueue) {
//do something with href
}
...
Difference Between One-to-Many, Many-to-One and Many-to-Many?
... @Id
@GeneratedValue
private Long id;
private String review;
@ManyToOne(fetch = FetchType.LAZY)
private Post post;
}
Using the JPA @OneToMany annotation
Just because you have the option of using the @OneToMany annotation, it does not me...
Serializing to JSON in jQuery [duplicate]
...
JSON-js - JSON in JavaScript.
To convert an object to a string, use JSON.stringify:
var json_text = JSON.stringify(your_object, null, 2);
To convert a JSON string to object, use JSON.parse:
var your_object = JSON.parse(json_text);
It was recently recommended by John Resig:
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...scape query parameter values, it will just be done in the PDO library with strings instead of on the MySQL server using the binary protocol. In other words, the same PDO code will be equally vulnerable (or not-vulnerable) to injection attacks regardless of your EMULATE_PREPARES setting. The only dif...
What is the difference between statically typed and dynamically typed languages?
..., with the following error:
invalid operation: "3" + 5 (mismatched types string and int)
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