大约有 48,000 项符合查询结果（耗时：0.0891秒） [XML]
Ruby on Rails Callback, what is difference between :before_save and :before_create?
...
ChowlettChowlett
41.5k1616 gold badges106106 silver badges138138 bronze badges
28
...
Programmatically find the number of cores on a machine
...
C++11
#include <thread>
//may return 0 when not able to detect
const auto processor_count = std::thread::hardware_concurrency();
Reference: std::thread::hardware_concurrency
In C++ prior to C++11, there's no portable way. Instead, you'll need to use one or...
Deserialize JSON into C# dynamic object?
... (value is string)
{
sb.AppendFormat("{0}:\"{1}\"", name, value);
}
else if (value is IDictionary<string, object>)
{
new DynamicJsonObject((IDictionary<string, object>)value).ToString(...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
...
answered Oct 11 '11 at 18:30
oezioezi
46.5k1010 gold badges9090 silver badges113113 bronze badges
...
techniques for obscuring sensitive strings in C++
...m byte values and then compute key2:
key1[n] = crypto_grade_random_number(0..255)
key2[n] = key[n] XOR key1[n]
You can do this in your build environment, and then only store key1and key2 in your application.
Protecting your binary
Another approach is to use a tool to protect your binary. For i...
How do I reflect over the members of dynamic object?
...
answered Oct 26 '11 at 1:01
jbtulejbtule
29.1k1111 gold badges8686 silver badges125125 bronze badges
...
How did this person code “Hello World” with Microsoft Paint?
...
answered Apr 7 '11 at 23:08
Andrew GrimmAndrew Grimm
67.5k4646 gold badges181181 silver badges303303 bronze badges
...
ctypes - Beginner
...
|
edited Jun 20 at 9:12
Community♦
111 silver badge
answered Feb 22 '11 at 18:33
...
多媒体组件 · App Inventor 2 中文网
...形状
设置文件选择器的形状，此属性的有效值为：
0（默认）
1 （圆形）
2（矩形）
3（椭圆形）。
如果设置了图像，则形状将不可见。
显示反馈
设置文件选择器指定 图像后被按压是否显示视觉反馈。...
Delete from the current cursor position to a given line number in vi editor
...
answered Jun 17 '11 at 10:44
cnicutarcnicutar
160k2121 gold badges306306 silver badges343343 bronze badges
...