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Detect 7 inch and 10 inch tablet programmatically
...and it incorrectly reports a resolution of 1280x752. I stumbled upon this post here that confirms this. Basically, in ICS/JB the calculations using the metrics mentioned above appear to exclude the dimensions of the Navigation Bar. Some more research led me to Frank Nguyen's answer here that uses d...
What's the best way to send a signal to all members of a process group?
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As usual with almost any command, if you want a normal argument that starts with a - to not be interpreted as a switch, precede it with --: kill -- -GPID
– ysth
Dec 24 '08 at 21:47
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编译失败！ Error: Your build failed due to an error in the AAPT stage,...
...原因未知，待探索。。。
目前最好的办法就是重新建立一个项目，组件和代码拷贝过来。
Error: could not find function … in R
...nctions.
If you have no clue about the package, you can use findFn in the sos package as explained in this answer.
RSiteSearch("some.function") or searching with rdocumentation or rseek are alternative ways to find the function.
Sometimes you need to use an older version of R, but run code created...
Securely storing environment variables in GAE with app.yaml
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Of all the provided answers, this seems closest to how Heroku handles things. Being rather new to GAE, I don't quite understand where in the Developers Console to find the placeholder record. Can you explain, or for bonus points, post screenshots?
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List files by last edited date
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If you're doing this at the prompt and want to see the most recently modified files, consider ls -lrt[RhA]. the -r reverses the sort order, leaving recently edited stuff at the bottom of the list...
– dmckee --- ex-moderator kitten
Sep 10 '09...
How can I obtain the element-wise logical NOT of a pandas Series?
...t results may vary depending on many factors including hardware, compiler, OS, Python, NumPy and Pandas versions.
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TCP vs UDP on video stream
...pliances are not designed with TCP streaming in mind. If you use TCP, the OS must buffer the unacknowledged segments for every client. This is undesirable, particularly in the case of live events; presumably your list of simultaneous clients is long due to the singularity of the event. Pre-record...
Why malloc+memset is slower than calloc?
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The short version: Always use calloc() instead of malloc()+memset(). In most cases, they will be the same. In some cases, calloc() will do less work because it can skip memset() entirely. In other cases, calloc() can even cheat and not allocate any memory! However, malloc()+memset() will always...
国内最美旅游景点TOP10 总有一处让你心动 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...也是沈从文笔下诗意的《边城》。凤凰因有了沈从文而以一个无比淳朴的、自由的、满溢了生命力的历史名城出现在世人面前，吸引无数人去探寻。如今，凤凰除了沱江、吊脚楼和“翠翠”一般美丽的苗族少女，更多了咖啡和酒...