大约有 1,800 项符合查询结果（耗时：0.0133秒） [XML]
一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术
...息压缩值，这就使得从创世块（第一个区块）到当前区块连接在一起形成了一条长链。由于如果不知道前一区块的“交易缩影”值，就没有办法生成当前区块，因此每个区块必定按时间顺序跟随在前一个区块之后。这种所有区块...
jQuery UI Sortable Position
... answered Oct 18 '12 at 19:37
i_ai_a
2,59011 gold badge1818 silver badges1919 bronze badges
...
App Inventor 2 扩展 · App Inventor 2 中文网
... your sample component to an extension
3.2.2 Test your extension
3.3 Details on creating extensions
3.3.1 When you start to build
3.3.2 Requesting permissions for the extensions you define
3.2.3 Using external libraries
3.2.4 Choosing a package name for your extension
3.4 Sharing your extens...
How do I represent a hextile/hex grid in memory?
... answered Jun 1 '13 at 15:59
a paid nerda paid nerd
27.6k2929 gold badges116116 silver badges166166 bronze badges
...
内存调试技巧：C 语言最大难点揭秘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...能是内存泄漏。其他资源（如信号量、网络句柄、数据库连接等）同样值得考虑。
内存错误分配
错误分配的管理不是很困难。下面是一个示例（请参见清单 3）：
清单 3. 未初始化的指针
void f2(int datum)
{
int *p2;
...
Linux进程与线程总结 [推荐] - C/C++ - 清泛网 - 专注C/C++及内核技术
...唯一，建立通话时必须要知道对方的号码，否则无法进行连接。
4．小结：
本文先对Linux下的进程、线程及多进程、多线程进行了简要的介绍和比较，然后实例说明它们实际的使用方法，如何有效地满足并发处理需求，并降低...
How to change Git log date formats
...r --date=rfc2822) shows timestamps in RFC 2822 format,
often found in E-mail messages.
--date=short shows only date but not time, in YYYY-MM-DD format.
--date=raw shows the date in the internal raw git format %s %z format.
--date=default shows timestamps in the original timezone
(either commi...
How to give System property to my test via Gradle and -D
...dle itself adds when testing; you can see the code here: github.com/CLOVIS-AI/wildfyre-java/blob/master/src/main/java/…
– CLOVIS
Jan 12 '19 at 15:30
...
Django ModelForm: What is save(commit=False) used for?
...
As a "real example", consider a user model where the email address and the username are always the same, and then you could overwrite your ModelForm's save method like:
class UserForm(forms.ModelForm):
...
def save(self):
# Sets username to email before saving
...
Determining 32 vs 64 bit in C++
..., but was curious to know if people could think of cases where this might fail or if there is a better way to do this. Please note we are trying to do this in a cross-platform, multiple compiler environment.
...