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Is there any particular difference between intval and casting to int - `(int) X`?
...he PHP doc page and shamelessly reiterated here:
$test_int = 12;
$test_string = "12";
$test_float = 12.8;
echo (int) $test_int; // 12
echo (int) $test_string; // 12
echo (int) $test_float; // 12
echo intval($test_int, 8); // 12 <-- WOAH!
echo intval($test_string, 8); ...
How to make a new line or tab in XML (eclipse/android)?
So, in my strings.xml I have a very long text which I want to format somehow.
How can I put a tab before the first sentence of the text? Also, what is the code for new line? Thanks
...
Get image data url in JavaScript?
...(except the unescaped / in the return), it does not create the same base64 string as the one I'm getting from PHP when doing base64_encode on the file obtained with file_get_contents function. The images seem very similar/the same, still the Javascripted one is smaller and I'd love them to be exactl...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...系统任务。存储引擎层有很多种，mysql提供了存储引擎的插件式结构，支持多种存储引擎，用的最广泛的是innodb和myisamin；inodb主要面向OLTP方面的应用，支持事务处理，myisam不支持事务，表锁，对OLAP操作速度快。
以下主要针对in...
How to get current timestamp in string format in Java? “yyyy.MM.dd.HH.mm.ss”
How to get timestamp in string format in Java? "yyyy.MM.dd.HH.mm.ss"
7 Answers
7
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Can I call memcpy() and memmove() with “number of bytes” set to zero?
...values, as described in 7.1.4. On such a call, a
function that locates a character finds no occurrence, a function that compares two
character sequences returns zero, and a function that copies characters copies zero
characters.
So the answer is no; the check is not necessary (or yes; you ca...
Initializing a member array in constructor initializer
...e about the following case, but some compilers do allow it.
struct A {
char foo[6];
A():foo("hello") { } /* valid? */
};
See this GCC PR for further details.
Do C++0x initializer lists solve the problem?
Yes, they do. However your syntax is invalid, I think. You have to use braces dir...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
...as an attribute of the derived class.
Example:
class Person
{
public string Name { get; set; }
}
[NotMapped]
class PersonViewModel : Person
{
public bool UpdateProfile { get; set; }
}
Now, even if you map the Person class to the Person table on the database, a "Discriminator" column wil...
Retain precision with double in Java
...int things out in a slightly friendlier format, try java.util.Formatter or String.format. In the format string specify a precision less than the full precision of a double. To 10 significant figures, say, 11.399999999999 is 11.4, so the result will be almost as accurate and more human-readable in ca...
Can I call a base class's virtual function if I'm overriding it?
... base->gogo1(7);
base->gogo2(7);
base->gogo3(7);
std::string s;
std::cout << "press any key to exit" << std::endl;
std::cin >> s;
return 0;
}
output
Derived
Derived :: gogo (int)
Derived :: gogo1 (int)
Derived :: gogo2 (int)
Derived :: gogo3 (in...