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Why does an NSInteger variable have to be cast to long when used as a format argument?
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You get this warning if you compile on OS X (64-bit), because on that platform NSInteger is defined as long and is a 64-bit integer. The %i format, on the other hand, is for int, which is 32-bit. So the format and the actual parameter do not match in size.
Since ...
Checking if a double (or float) is NaN in C++
...y valid and portable way of testing for NaN.
– Adam Rosenfield
Mar 26 '11 at 22:37
7
@Adam: the d...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
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If you are on Linux (or any POSIX-compliant system), you can define this array as a global variable. multiprocessing is using fork() on Linux when it starts a new child process. A newly spawned child process automatically shares the memory with its paren...
What unique features does Firebug have that are not built-in to Firefox?
... can replace firebug with the native tools someday, because I think its impossible for the firebug addon to get the high performance of the native tools.
– malisokan
Nov 15 '14 at 13:30
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Deep Learning（深度学习）学习笔记整理系列之（二） - 大数据 & AI - 清泛...
...就塞到这了）。
四、关于特征
特征是机器学习系统的原材料，对最终模型的影响是毋庸置疑的。如果数据被很好的表达成了特征，通常线性模型就能达到满意的精度。那对于特征，我们需要考虑什么呢？
4.1、特征表...
Android Camera : data intent returns null
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The link you posted, is not anymore valid.
– user285594
Jul 8 '13 at 10:47
4
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How to make Java honor the DNS Caching Timeout?
...e. Through some DNS magic, the domain name is resolved into an IP that's closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS response and to resolve the domain name again when cache times out. However, I couldn't figure out a ...
2016年最适合小投资的10个创业项目 - 资讯 - 清泛网 - 专注C/C++及内核技术
...料200元当地商店均可购得，配方简单易学，配好比例即可操作。操作时只需将衣物浸泡在装满运用绿色干洗工艺配制的洗涤液中，按上洗衣机轻柔档，几分钟即可洗涤完毕。洗一套衣服只需2元左右的成本，收费10元，翻新、清洗...
GridCtrl 控件FAQ - C/C++ - 清泛网 - 专注C/C++及内核技术
...右键点击的函数
A：
当进行单击，双击或右击单元格等操作时，表格会发送响应的消息，可以在父窗口添加处理消息的函数，做法如下：
GVN_BEGINDRAG // Sent when dragging starts
GVN_BEGINLABELEDIT // Sent when inplace editing starts
GVN_E...
What is the most compatible way to install python modules on a Mac?
... on a Mac mainly as well as Linux. I'm finding that on Linux (Ubuntu 9.04 mostly) when I install a python module using apt-get it works fine. I can import it with no trouble.
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