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Sleeping in a batch file
...sys.argv[1]))
It will allow sub-second pauses (for example, 1.5 sec, 0.1, etc.), should you have such a need. If you want to call it as sleep rather than sleep.py, then you can add the .PY extension to your PATHEXT environment variable. On Windows XP, you can edit it in:
My Computer → Properties...
What is the difference between task and thread?
...it takes a long time to compute, or it might that it takes a long time to fetch. Only in the former case would you use a Thread to run a Task. (In .NET, threads are freaking expensive, so you generally want to avoid them as much as possible and really only use them if you want to run multiple heavy ...
What is the difference between a thread and a fiber?
...eralization and may not always hold true depending on OS/threading package/etc.). This means that for threads, data integrity is a big issue because one thread may be stopped in the middle of updating a chunk of data, leaving the integrity of the data in a bad or incomplete state. This also means th...
Difference between scaling horizontally and vertically for databases [closed]
... involves downtime.
In-Memory Data Grids such as GigaSpaces XAP, Coherence etc.. are often optimized for both horizontal and vertical scaling simply because they're not bound to disk. Horizontal-scaling through partitioning and vertical-scaling through multi-core support.
You can read more on this s...
Does ruby have real multithreading?
...un one thread at a
time.
However, any number of C Threads (POSIX Threads etc.) can run
in parallel to the Ruby Thread, so external C Libraries, or MRI
C Extensions that create threads of their own can still run in
parallel.
The second implementation is YARV (short for "Yet
Another Ruby VM"). Y...
App Inventor 2 UrsPahoMqttClient 拓展 - 物联网轻量级MQTT协议 · App Inventor 2 中文网
...它与以前的版本不兼容，但允许使用 SSL/TLS 连接以满足更高的安全要求。
在 MQTT 客户端连接到 MQTT 服务器之前，必须先设置连接参数，然后使用 Connect 方法创建与服务器的连接。ConnectionStateChanged 事件报告连接状态的任...
Using Java with Nvidia GPUs (CUDA)
...example could be when many complex trigonometric computations (sine/cosine etc) are performed on "few" data elements.
As a rule of thumb: You can assume that reading/writing one data element from the "main" GPU memory has a latency of about 500 instructions....
Therefore, another key point for th...
硬盘最神秘的功能，万万想不到 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
...
这种办法可以很轻松的确定其重心~
用圆规划一个圈，定位打孔~
然后在盒盒侧边给它扎上几针。
居然把磁盘拆了下来！3.5寸的大家伙，看上去像电磨的磨片~
还用上了电钻，要干什么呢？
看这个洞，剪得圆不~
...
[工程源码实例] C++ ADO 读写Excel源码及注意点 - C/C++ - 清泛网 - 专注C/C++及内核技术
...貌似找不到驱动，有解决的烦请评论告知下，谢谢。
3、定位单元格可以用整数索引，也可以用字符串列名（第一行的文字）。
4、SELECT * FROM [中文Sheet名$] 中文Sheet名后要加"$"。
5、单元格为空的话，v.vt 值为 VT_NULL。|1454|1455C...
MFC 获取并移动其他应用程序窗口的方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ame，窗口标题名称
);
使用时，两者只要知道一个就可以定位到你想要的窗口上了，若两个参数都为NULL，则搜索所有启动的进程，这里，为了获取应用程序的窗口信息，可以使用Spy++（微软vs自带工具，没有的话请自行下载），...