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Is String.Format as efficient as StringBuilder
...eration for a String or StringBuilder object depends on how often a memory allocation occurs. A String concatenation operation always allocates memory, whereas a StringBuilder concatenation operation only allocates memory if the StringBuilder object buffer is too small to accommodate the new data. C...
Class 'DOMDocument' not found
...OM extension. You can do so on Debian / Ubuntu using:
sudo apt-get install php-dom
And on Centos / Fedora / Red Hat:
yum install php-xml
If you get conflicts between PHP packages, you could try to see if the specific PHP version package exists instead: e.g. php53-xml if your system runs PHP5.3.
...
Get a list of URLs from a site [closed]
... But there is a limit of 5000 links!..:( I'm looking for any free php sitemap generator script.
– Jenson M John
Aug 3 '13 at 10:25
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Creating the Singleton design pattern in PHP5
How would one create a Singleton class using PHP5 classes?
21 Answers
21
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How to copy an object in Objective-C
...ne
{
// We'll ignore the zone for now
YourClass *another = [[YourClass alloc] init];
another.obj = [obj copyWithZone: zone];
return another;
}
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How to define an empty object in PHP
...();
A comment in the manual sums it up best:
stdClass is the default PHP object.
stdClass has no properties, methods or
parent. It does not support magic
methods, and implements no interfaces.
When you cast a scalar or array as
Object, you get an instance of
stdClass. You can us...
How to add elements to an empty array in PHP?
If I define an array in PHP such as (I don't define its size):
8 Answers
8
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Why don't structs support inheritance?
...ive on the heap and are referenced via reference pointers, but structs are allocated on the stack (unless they are boxed) or are allocated "inside" the memory occupied by a reference type on the heap.
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Null or default comparison of generic argument in C#
...ur example since the program exits straight away. However, every box is an allocation. If you deal with anything non-trivial, avoiding unnecessary allocations is always to be recommended. These allocations are unnecessary.
– Marc Gravell♦
Nov 7 '17 at 17:28
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What actually causes a Stack Overflow error? [duplicate]
...ve programs, when there is a risk of writing into memory that had not been allocated for the buffer, and thus to corrupt some other memory locations. It's not the case at all.
JVM has a given memory allocated for each stack of each thread, and if an attempt to call a method happens to fill this mem...