大约有 4,400 项符合查询结果（耗时：0.0262秒） [XML]
数据保存到文件管理器，可是找不到，是怎么回事啊？ - 用户反馈 - 清泛IT社...
...径中找不到文件，一开始有说安卓手机查不到那个路径，下载了一个专门的文件管理器可以查到那个路径了，但就是没有文件
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找到了，最终用电脑连接手机，才查到了这个文件
【解决】模拟器启动失败：ERROR: x86_64 emulation currently requires har...
...-Android-SDK\extras\intel\Hardware_Accelerated_Execution_Manager
在线版下载后的目录是：Emulator\from-Android-SDK\extras\intel\Hardware_Accelerated_Execution_Manager
安装：haxm-7.6.5-setup.exe
如果报错，请参考：https://bbs.tsingfun.com/thread-2030-1-1.html
AppInventor2 如何自定义包名？ - App应用开发 - 清泛IT社区，为创新赋能！
...pInventor2 如何自定义包名？
Q: 如何自定义包名？编译后下载的APK的包名一大堆乱七八糟的？
A: 编译菜单，编译参数设置：
Q: 有没什么特殊项命名要求？后面需要加什么.cn，.com之类的字符？
A: 至少要有一个英文的...
一个组件怎么悬浮在另一个组件上面？ - App Inventor 2 拓展 - 清泛IT社区...
...如我想把 圆形进度条 悬浮在屏幕上，提示正在搜索或者下载。。要怎么做？或者是什么扩展能做到？https://puravidaapps.com/extensions.php
页面中搜索“floating”，有多款拓展，有的效果还很不错，后续会整理翻译中文。
Insert an element at a specific index in a list and return the updated list
...t(range(1000))" "b = a.copy(); b[500:500] = (3,)"
100000 loops, best of 5: 2.76 µsec per loop
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Center a popup window on screen?
... Nice and simple solution. In my case it looked better with "outerHeight / 2.7" instead of "outerHeight / 2". Another thing: The parameter name "title" is misleading. It is the name of the window, so winName or so is better and to the point.
– Magnus
Aug 20 at ...
Creating a dictionary from a csv file?
...ict = {rows[0]:rows[1] for rows in reader}
Alternately, for python <= 2.7.1, you want:
mydict = dict((rows[0],rows[1]) for rows in reader)
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Better way to shuffle two numpy arrays in unison
...ginal function: my original takes ~1.8s for 10 iterations, and this takes ~2.7s. Both numbers are quite consistent. The dataset I used to test has a.shape is (31925, 405) and b.shape is (31925,).
– Josh Bleecher Snyder
Jan 5 '11 at 17:46
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Add params to given URL in Python
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@florian : At least in python 2.7 you then need to call urlencode as urllib.urlencode(query, doseq=True). Otherwise, parameters that existed in the original url are not preserved correctly (because they are returned as tuples from @parse_qs@
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How to calculate the time interval between two time strings
...g (did my command take more than 2.5 seconds to execute?) and it works in v2.7
– Mawg says reinstate Monica
Jul 5 '16 at 10:09
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