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在线服务的黑天鹅 - 资讯 - 清泛网 - 专注C/C++及内核技术
...的原因分析之后，已经4小时之后了。
“墨菲定律”，一位工程师说，“前几天觉得这个地方有些隐患，已经存在一段时间了，打算下周来处理，未料它今天就出了问题……”。墨菲定律是指“凡是可能出错的事必定会出错”，...
大数据能否拯救中国足球？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...要的。现代足球利用摄像头、传感器对球员的跑动速度、位置、控球时间、防御范围、动作细节计算出大量数据，可以评估出比赛的状况，以及每名球员的防守范围，对方球队的空当区等有效信息。通过这些信息，教练员可以更...
How do I convert a byte array to Base64 in Java?
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Java 8+
Encode or decode byte arrays:
byte[] encoded = Base64.getEncoder().encode("Hello".getBytes());
println(new String(encoded)); // Outputs "SGVsbG8="
byte[] decoded = Base64.getDecoder().decode(encoded);
println(new String(decoded)) // Outputs "Hello"
Or if you just want ...
How to convert an image to base64 encoding?
Can you please guide me how can I convert an image from a URL to base64 encoding?
9 Answers
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Targeting both 32bit and 64bit with Visual Studio in same solution/project
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Yes, you can target both x86 and x64 with the same code base in the same project. In general, things will Just Work if you create the right solution configurations in VS.NET (although P/Invoke to entirely unmanaged DLLs will most likely require some condition...
Decode Base64 data in Java
I have an image that is Base64 encoded. What is the best way to decode that in Java? Hopefully using only the libraries included with Sun Java 6.
...
How to stage only part of a new file with git?
...e fact that the path will be added later. An entry
for the path is placed in the index with no content. This is useful
for, among other things, showing the unstaged content of such files
with git diff and committing them with git commit -a.
...
Android代码优化小技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...对象，并且你知道它最终会需要连接到一个StringBuffer，请修改你的实现方式，避免直接进行连接操作，应该采用创建一个临时对象来做这个操作。
当从输入的数据集中抽取出Strings的时候，尝试返回原数据的substring对象，而不是...
Passing base64 encoded strings in URL
Is it safe to pass raw base64 encoded strings via GET parameters?
10 Answers
10
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Cannot ping AWS EC2 instance
... You should see something like:
PING 10.0.0.15 (10.0.0.15): 56 data bytes
64 bytes from 10.0.0.14: icmp_seq=1 ttl=64 time=3.9 ms
64 bytes from 10.0.0.14: icmp_seq=2 ttl=64 time=3.9 ms
64 bytes from 10.0.0.14: icmp_seq=3 ttl=64 time=10.6 ms
64 bytes from 10.0.0.14: icmp_seq=4 ttl=64 time=40.6 ms
64 ...