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App Inventor 2 项目会自动保存吗？这两个操作很多人不知道 - App应用开发 ...
...知道
有朋友在社区问了一个问题：App Inventor 2 的项目是自动保存的吗？
说实话，这个问题刚听到的时候我还愣了一下——因为对老手来说，这几乎是"呼吸一样自然"的事。但仔细想想，对于刚入门的朋友，这确实是...
ListView/ListPicker搜索框字体大小无法设置？源码分析与解决方案 - App应...
...master分支），确认了以下事实：
1. ListView组件
搜索框是一个原生的EditText，在构造函数中创建：
txtSearchBox = new EditText(container.$context());
txtSearchBox.setSingleLine(true);
txtSearchBox.setWidth(Component.LENGTH_FILL_PARENT);
txtSearchBox.setPadding(1...
故乡的冬日 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...的刹那，真的会忘掉人世间的一切烦恼和忧伤，顿觉生命是那样的单纯，单纯得像雪。
散步的人悠闲地踱着，满脸慈祥的爷爷站在路旁看着街景：有条不紊正在收摊的小贩，来来往往慢悠悠行驶的大车、小车，而年幼调皮的小...
Compiling with cython and mingw produces gcc: error: unrecognized command line option '-mno-cygwin'
I'm trying to compile a python extension with cython in win 7 64-bit using mingw (64-bit).
I'm working with Python 2.6 (Active Python 2.6.6) and with the adequate distutils.cfg file (setting mingw as the compiler)
...
8 种提升 ASP.NET Web API 性能的方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...I 性能的方法8-ways-improve-asp-net-web-api-performanceASP.NET Web API 是非常棒的技术。编写 Web API 十分容易，以致于很多开发者没有在应用程序结构设计上花时间来获得很好的执行性能。英文原文：8 ways to improve ASP.NET Web API performance
ASP.NET...
Openssl is not recognized as an internal or external command
...bin\openssl.exe" sha1 -binary | "C:\Users\abc\openssl\bin\openssl.exe" base64
Remember, path that you will enter will be the path where you have installed the openssl...hope this helps..:-)
Edit:
you can download openssl for windows 32 and 64 bit from the respective links below:
OpenSSL for 64 Bits...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
...2:00', '2013-05-18 13:00:00+02:00'],
dtype='datetime64[ns, Europe/Brussels]', freq='H')
using tz_localize(None) removes the timezone information resulting in naive local time:
In [6]: t.tz_localize(None)
Out[6]: DatetimeIndex(['2013-05-18 12:00:00', '2013-05-18 13:00:00'], ...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...at least 32 bits (2^31-1 on either side of zero) and long long is at least 64 (2^63-1 on either side).
– chris
Sep 24 '13 at 1:55
2
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Python base64 data decode
I have the following piece of base64 encoded data, and I want to use python base64 module to extract information from it. It seems that module does not work. Can anyone tell me how?
...
Secure random token in Node.js
...thod crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is
...