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How to convert byte array to string and vice versa?
...ly must use a String to hold binary data then the safest way is to use Base64 encoding.
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一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
...Z全面的数据及数据解析）
下载链接：
http://www.viewtool.com/index.php/22-2016-07-29-02-11-32/205-hollong-4-0-4-1-ble
4. MTU 请求（REQEUST）
完整数据（以下关注蓝色标注部分）
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Error “initializer element is not constant” when trying to initialize variable with const
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+5 for the nice explanation, but surprisingly this program compiles fine on ideone: ideone.com/lx4Xed. Is it compiler bug or compiler extension? Thanks
– Destructor
Jun 21 '15 at 6:25
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Convert a list of data frames into one data frame
... 100 0.11 1.000
1 do.call 100 9.39 85.364
2 plyr_rbind.fill 100 12.08 109.818
3 plyr_ldply 100 15.14 137.636
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Is the sizeof(some pointer) always equal to four?
...on a 16-bit system (if you can find one), 4 on a 32-bit system, and 8 on a 64-bit system, but there's nothing to be gained in relying on a given size.
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embedding image in html email
...images at various locations in the email.
<img src="data:image/jpg;base64,{{base64-data-string here}}" />
And to make this post usefully for others to:
If you don't have a base64-data string, create one easily at:
http://www.motobit.com/util/base64-decoder-encoder.asp from a image file.
Em...
Hadoop “Unable to load native-hadoop library for your platform” warning
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I assume you're running Hadoop on 64bit CentOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit.
Anyway, it's just a warning, and won't impact Hadoop's functionalities.
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What is the GAC in .NET?
...t;DIR> GAC_32
06/17/2009 04:22 PM <DIR> GAC_64
06/17/2009 04:22 PM <DIR> GAC_MSIL
...snip...
0 File(s) 0 bytes
9 Dir(s) 90,538,311,680 bytes free
C:\Windows\assembly>cd GAC_64
C:\Windows\assembly\GAC_...
How could I convert data from string to long in c#
...ers (see below) listed here. Please review and up-vote them.
Convert.ToInt64("1100.25")
Method signature from MSDN:
public static long ToInt64(
string value
)
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python max function using 'key' and lambda expression
...sing the max function which uses a lambda expression to return the instance of type Player having maximum totalScore among the list players .
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