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Why is Java's boolean primitive size not defined?
...embers, is it also true, that they are also 4 bytes? The class instance is allocated as a whole on the stack, so I can imagine, JVM should probably use 1 byte per boolean/byte member and finally make an 4-byte alignment for the complete class instance. Is it so? (if you have references that prove th...
How do you use bcrypt for hashing passwords in PHP?
Every now and then I hear the advice "Use bcrypt for storing passwords in PHP, bcrypt rules".
11 Answers
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What is your favorite C programming trick? [closed]
...you should be aware there are some issues with this for large, dynamically allocated structures.
share
edited May 23 '17 at 11:54
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How to get memory available or used in C#
... It should probably be noted that a call to GetCurrentProcess will itself allocate quite a lot of resources. Call Dispose on the returned process when done, or wrap the whole code in a "using" scope.
– Mathias Lykkegaard Lorenzen
Apr 1 '14 at 5:23
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How can I count all the lines of code in a directory recursively?
We've got a PHP application and want to count all the lines of code under a specific directory and its subdirectories. We don't need to ignore comments, as we're just trying to get a rough idea.
...
How to convert object array to string array in Java
...o it are
* maintained by this list. (In other words, this method must
* allocate a new array even if this list is backed by an array).
* The caller is thus free to modify the returned array.
It may not look important but as you'll see it is... So what does the following line fail? All object i...
Why is require_once so bad to use?
Everything I read about better PHP coding practices keeps saying don't use require_once because of speed.
14 Answers
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How does RewriteBase work in .htaccess
...hs in the rule's target. So say you have this rule:
RewriteRule ^foo$ bar.php [L]
The bar.php is a relative path, as opposed to:
RewriteRule ^foo$ /bar.php [L]
where the /bar.php is an absolute path. The absolute path will always be the "root" (in the directory structure above). That means tha...
error C2512: “Foo”: 没有合适的默认构造函数可用 - C/C++ - 清泛网 - 专...
...11.0\VC\INCLUDE\xmemory0(600): 编译类 模板 成员函数
“void std::allocator<_Ty>::construct(_Ty *)”时
with
[
_Ty=Foo
]
C:\Program Files\Microsoft Visual Studio 11.0\VC\INCLUDE\xmemory0(751): 参见对正在编译的函数
模板 实例...
How to use base class's constructors and assignment operator in C++?
...ur class has no resources then use the default version.
// Dynamically allocated memory is a resource.
// If any members have a constructor that throws then you will need to
// write your owen version of these to make it exception safe.
X(X const& copy)
// Do most of the ...