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What is a message pump?
...ot sure what that is. (I've been programming in C# for only about a year; my other programming experience has primarily been with ColdFusion.)
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What is the best way to create constants in Objective-C
...able to all the files. Is it a good way of doing things? Also, I've done my research and found several methods to create constants, but I don't know which one to use:
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Replace selector images programmatically
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As far as I've been able to find (I've tried doing something similar myself), there's no way to modify a single state after the StateListDrawable has already been defined. You can, however, define a NEW one through code:
StateListDrawable states = new StateListDrawable();
states.addState(new ...
How to use sed to replace only the first occurrence in a file?
...orks if "the pattern will not occur on the first line" on Mac. I'll delete my previous comment since it's not accurate. The detail can be found here (linuxtopia.org/online_books/linux_tool_guides/the_sed_faq/…). Andy's answer only works for GNU sed, but not the one on Mac.
– ...
When is a C++ destructor called?
... of scope,
// but not the object it pointed to. memory leak
if (1) {
Foo *myfoo = new Foo("foo");
}
// pointer is destroyed because it goes out of scope,
// object it points to is deleted. no memory leak
if(1) {
Foo *myfoo = new Foo("foo");
delete myfoo;
}
// no memory leak, object goes out of...
Why does C++11 not support designated initializer lists as C99? [closed]
...er design which also obviates the need for designated initializers. — In my view removing the restriction on in-class initializers for aggregates is much more in line with the ethos of C++ than designated initializers.
– bames53
Sep 11 '13 at 20:42
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...sp;--> 1
print(c1()) --> 2复制代码
示例二
function myPower(x)
return function(y) return y^x end
end
power2 = myPower(2)
power3 = myPower(3)
print(power2(4)) --4的2次方
print(power3(5)) --5的3次方复制代码
函数的返回值和Go语言一样，可以...
string c_str() vs. data()
...elements of any type. In those cases data() is more meaningful. c_str() in my opinion is only really useful when the elements of your string are character based.
Extra: In C++11 onwards, both functions are required to be the same. i.e. data is now required to be null-terminated. According to cppre...
Read a text file using Node.js?
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@wtfcoder: yes, very good point. My intent was just to demonstrate the simple case of reading a file named on the command-line; there are obviously many subtleties (esp. performance) that are beyond the scope of this question.
– maerics...
Type Checking: typeof, GetType, or is?
...answered Jun 11 '09 at 19:15
JimmyJimmy
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