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How to import multiple .csv files at once?

...ariables but each from different times. Is there a way in R to import them all simultaneously rather than having to import them all individually? ...
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How do I set the figure title and axes labels font size in Matplotlib?

...ze=18) plt.ylabel('ylabel', fontsize=16) fig.savefig('test.jpg') For globally setting title and label sizes, mpl.rcParams contains axes.titlesize and axes.labelsize. (From the page): axes.titlesize : large # fontsize of the axes title axes.labelsize : medium # fontsize of the x any y...
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VC DDE(Dynamic Data Exchange)与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术

...个需求。 DDE,中文名叫动态数据交换,是基于WINDOWS系统开发的一种消息传输的通信方案。花了半天时间研究了下,做了个案例,VC6.0下调试通过,很开心。作为一个产品经理,为产品设计搭建好平台,有人的平台,有技术平台...
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How to make good reproducible pandas examples

...s. Disclaimer: Writing a good question is HARD. The Good: do include small* example DataFrame, either as runnable code: In [1]: df = pd.DataFrame([[1, 2], [1, 3], [4, 6]], columns=['A', 'B']) or make it "copy and pasteable" using pd.read_clipboard(sep='\s\s+'), you can format the text for Sta...
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App Inventor 2 低功耗蓝牙 BlueToothLE 拓展 · App Inventor 2 中文网

...要更改 BLE 设备之间发送的消息大小的高级应用。大多数开发人员不需要调整此值。 MTU: 最大传输单元(MAXIMUM TRANSMISSION UNIT) , 指在一个PDU (Protocol Data Unit: 协议数据单元,在一个传输单元中的有效传输数据)能够...
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Where is shared_ptr?

...rking). Simply stating std , tr1 and <memory> is not helping at all! I have downloaded boosts and all but still it doesn't show up! Can someone help me by telling exactly where to find it? ...
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?

...e wchar_t is a distinct type whose values can represent distinct codes for all members of the largest extended character set specified among the supported locales (22.3.1).                                                              ...
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Can I use a binary literal in C or C++?

...arted in Visual Studio 2015 Preview (see https://www.visualstudio.com/news/vs2015-preview-vs#C++). share | improve this answer | follow | ...
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install / uninstall APKs programmatically (PackageManager vs Intents)

My application installs other applications, and it needs to keep track of what applications it has installed. Of course, this could be achieved by simply keeping a list of installed applications. But this should not be necessary! It should be the responsibility of the PackageManager to maintain the ...
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What is the difference between is_a and instanceof?

...ut PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_string (defaults to false) to allow comparisons of string class names instead: class MyBaseClass {} class MyExtendingClass extends MyBaseClass {} // Original behavior, evaluates to false. is_a(MyExtendingClass::class,...