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How can I use map and receive an index as well in Scala?
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148
I believe you're looking for zipWithIndex?
scala> val ls = List("Mary", "had", "a", "little...
What is “2's Complement”?
...th 1111 - that's the "complement" part).
Let's try it with a mini-byte of 4 bits (we'll call it a nibble - 1/2 a byte).
0000 - zero
0001 - one
0010 - two
0011 - three
0100 to 0111 - four to seven
That's as far as we can go in positives. 23-1 = 7.
For negatives:
1111 - negative one
1110 - negativ...
Create a new cmd.exe window from within another cmd.exe prompt
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edited May 12 '17 at 12:14
KristofMols
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answered...
Android: How do I prevent the soft keyboard from pushing my view up?
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edited Jul 26 at 7:40
Watachiaieto
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answered Nov 17 '10 at 18...
Why do we usually use || over |? What is the difference?
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Jeremy
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answered Aug 18 '11 at 3:22
ShawnShawn
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...装程序包
wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.4.8.tgz
注意linux生产环境不能安装32位的mongodb，因为32位受限于操作系统最大2G的文件限制。
#解压下载的压缩包
tar xvzf mongodb-linux-x86_64-2.4.8.tgz
4、分别在每...
The SMTP server requires a secure connection or the client was not authenticated. The server respons
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edited May 23 '17 at 12:34
Community♦
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answered Aug 29 '13 at 6:16
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Convert String array to ArrayList [duplicate]
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Marcel Bro
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answered May 10 '12 at 8:41
Lalit BhudiyaLali...
How to upgrade rubygems
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476
Install rubygems-update
gem install rubygems-update
update_rubygems
gem update --system
run...
Why does Date.parse give incorrect results?
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454
Until the 5th edition spec came out, the Date.parse method was completely implementation depen...