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How to specify a multi-line shell variable?
I have written a query:
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Can I make 'git diff' only the line numbers AND changed file names?
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Why does String.valueOf(null) throw a NullPointerException?
according to the documentation, the method String.valueOf(Object obj) returns:
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How to check if a file exists in Go?
Go's standard library does not have a function solely intended to check if a file exists or not (like Python's os.path.exists ). What is the idiomatic way to do it?
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Object.getOwnPropertyNames vs Object.keys
...the difference between Object.getOwnPropertyNames and Object.keys in javascript? Also some examples would be appreciated.
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Can I export a variable to the environment from a bash script without sourcing it?
Suppose that I have this script
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Simplest way to do a recursive self-join?
What is the simplest way of doing a recursive self-join in SQL Server? I have a table like this:
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Npm install failed with “cannot run in wd”
I am trying to get my node environment set up on a new Ubuntu 12.04 instance, with Node 0.8.14 already installed, but I ran into problems when I try to run npm install .
So when I try npm install , it says that I need to run it as root or adminisrator:
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Open files in 'rt' and 'wt' modes
Several times here on SO I've seen people using rt and wt modes for reading and writing files.
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Linux bcc tools使用总结（持续更新） - 操作系统(内核) - 清泛网 - 专注IT技能提升
...PPID RET ARGS
0.996 head 12101 6578 0 /usr/bin/head -v -n 8 /proc/meminfo
0.996 head 12102 6578 0 /usr/bin/head -v -n 2 /proc/stat /proc/version /proc/uptime /proc/loadavg /proc/sys/fs/file-nr /proc/sys/kernel/hostname
0.998 tail 12103 6578 ...