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Ubuntu下CodeBlock开发环境配置 - C/C++ - 清泛网 - 专注C/C++及内核技术
...编程、多创造、尽使用的特点，个人感觉功能比较强大，API使用比MFC简单，对Linux编程感兴趣的不妨试试（当然Linux下编程选择还是比较广泛的，OpenGL、wxWidgets、GTK等）。Qt4的安装过程如下：
sudo apt-get install libqt4-dev libqt4-debug l...
c/c++如何判断指针无效？如NULL,0xcccccccc,0xfeeefeee,野指针等 - C/C++ -...
...SERT(!AfxIsValidAddress(null, 5));
IsBadWritePtr, IsBadReadPtr
BOOL AFXAPI AfxIsValidAddress(const void* lp, UINT nBytes,
BOOL bReadWrite /* = TRUE */)
{
// simple version using Win-32 APIs for pointer validation.
return (lp != NULL && !IsBadReadPtr(lp, nBytes) &&
(!bReadWrite || !IsBadWrit...
【免费开放】App Inventor 2 LLMAI2Ext 自研拓展：接入DeepSeek、Kimi、通...
...我们尽量将接口方法设计得简单易用，由于demo中包含了APIKey，因此不直接提供aia源码，这里以Kimi为例，附上代码块：开始对话：切换输出模式（默认流式输出，可切换非流式一把输出内容）：流式输出响应事件，每输出一部分...
Create singleton using GCD's dispatch_once in Objective-C
...er here: instancetype
+ (instancetype)sharedInstance
{
static dispatch_once_t once;
static id sharedInstance;
dispatch_once(&once, ^
{
sharedInstance = [self new];
});
return sharedInstance;
}
+ (Class*)sharedInstance
{
static dispatch_once_t once;
...
The key must be an application-specific resource id
...
That's the best way to get unique tag id ? Really Android ?
– jimmy0251
Mar 13 '15 at 10:24
...
Broken references in Virtualenvs
I recently installed a bunch of dotfiles on my Mac along with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they ...
How to check if a variable is a dictionary in Python?
...t, defaultdict, or Counter from the collections module:
if isinstance(any_object, dict):
But there are even more flexible options.
Supporting abstractions:
from collections.abc import Mapping
if isinstance(any_object, Mapping):
This allows the user of your code to use their own custom implem...
GCC compile error with >2 GB of code
...inv2 -
32*s.x12pow2*s.x15*s.x35*s.x45*s.mWpowinv2 -...
right?
If all your functions have a similar "format" (multiply n numbers m times and add the results - or something similar) then I think you can do this:
change the generator program to output offsets instead of strings (i.e. instea...
How to fix “ImportError: No module named …” error in Python?
...
@Editor: __init__.py only indicates that the directory should be treated as a package, when its parent is either in sys.path or is itself a package.
– Ignacio Vazquez-Abrams
Jan 4 '14 at 23:15
...
How to programmatically show next view in ViewPager?
...siest way is:
nextButton.setOnClickListener { pager.arrowScroll(View.FOCUS_RIGHT) }
prevButton.setOnClickListener { pager.arrowScroll(View.FOCUS_LEFT) }
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