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How to upgrade rubygems
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476
Install rubygems-update
gem install rubygems-update
update_rubygems
gem update --system
run...
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...
When would you use the different git merge strategies?
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4 Answers
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Active
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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♦
111 silver badge
answered Aug 29 '13 at 6:16
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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...
Freeing up a TCP/IP port?
...5
uziuzi
4,40922 gold badges1313 silver badges1111 bronze badges
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How to get Activity's content view?
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4
or getWindow().findViewById(android.R.id.content) :)
– Alex Lockwood
Jun 26 '13 at 1:54
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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...
Notepad++ - How can I replace blank lines [duplicate]
...d the trick.
– Shamim Hafiz
Dec 5 '14 at 18:35
Didn't work for me :( the trick edit->line operations->remove emp...
Str_replace for multiple items
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edited Sep 30 '11 at 4:26
answered Sep 30 '11 at 2:54
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