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What causes javac to issue the “uses unchecked or unsafe operations” warning
... as the use of raw types (as described by the other answers), an unchecked cast can also cause the warning.
Once you've compiled with -Xlint, you should be able to rework your code to avoid the warning. This is not always possible, particularly if you are integrating with legacy code that cannot b...
What is the strict aliasing rule?
... struct onto such a buffer, or a buffer onto such a struct through pointer casting you can easily violate strict aliasing rules.
So in this kind of setup, if I want to send a message to something I'd have to have two incompatible pointers pointing to the same chunk of memory. I might then naively co...
Force LF eol in git repo and working copy
...pository with the following lines (change as desired):
# Ensure all C and PHP files use LF.
*.c eol=lf
*.php eol=lf
which ensures that all files that Git considers to be text files have normalized (LF) line endings in the repository (normally core.eol configuration controls which on...
.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
I have this error when trying to browse php files locally
8 Answers
8
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Single Sign On across multiple domains [closed]
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There is a master domain, login.mydomain.com with the script master_login.php that manages the logins.
Each client domain has the script client_login.php
All the domains have a shared user session database.
When the client domain requires the user to be logged in, it redirects to the master domain ...
How do you create optional arguments in php?
In the PHP manual, to show the syntax for functions with optional parameters, they use brackets around each set of dependent optional parameter. For example, for the date() function, the manual reads:
...
MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...生类
http://www.codeguru.com/cpp/controls/listview/introduction/article.php/c919/
20. listctrl的subitem添加图标
m_list.SetExtendedStyle(LVS_EX_SUBITEMIMAGES);
m_list.SetItem(..); //具体参数请参考msdn
21. 在CListCtrl显示文件，并根据文件类型来显...
Getting a better understanding of callback functions in JavaScript
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Why do you cast callback to string and then check its type? Will this enhance performance? This is like checking the type, checking if the converted boolean returns true and then checking its type again and testing it against the string...
Jump to function definition in vim
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php is C-like enough that "Exuberant ctags" should work with it. Don't know if it has a python mode.
– Paul Tomblin
Mar 11 '09 at 18:38
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Java generics type erasure: when and what happens?
...cs are used, they're converted into compile-time checks and execution-time casts. So this code:
List<String> list = new ArrayList<String>();
list.add("Hi");
String x = list.get(0);
is compiled into
List list = new ArrayList();
list.add("Hi");
String x = (String) list.get(0);
At exe...