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In a Bash script, how can I exit the entire script if a certain condition occurs?
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Try this statement:
exit 1
Replace 1 with appropriate error codes. See also Exit Codes With Special Meanings.
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Batch: Remove file extension
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316
You can use %%~nf to get the filename only as described in the reference for for:
@echo off
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Why are there two kinds of functions in Elixir?
... a closure, similar to a lambda in Ruby. We can create it as follows:
x = 1
fun = fn y -> x + y end
fun.(2) #=> 3
A function can have multiple clauses too:
x = 1
fun = fn
y when y < 0 -> x - y
y -> x + y
end
fun.(2) #=> 3
fun.(-2) #=> 3
Now, let's try something differe...
How to send JSON instead of a query string with $.ajax?
... the JSON object is natively available in browsers that support JavaScript 1.7 / ECMAScript 5 or later. If you need legacy support you can use json2.
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TortoiseHg Apply a Patch
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109
From Repository Explorer, Repository > Import...
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How do I change the color of radio buttons?
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16 Answers
16
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C/C++中的段错误（Segmentation fault） - C/C++ - 清泛网 - 专注C/C++及内核技术
...所有的函数都默认形参指针为非空有着密切关系的。目录1。什么是段错误？2。为什 Segment fault 之所以能够流行于世，与Glibc库中基本上所有的函数都默认形参指针为非空有着密切关系的。
目录
1。什么是段错误？
2。为什...
How do I parse JSON with Ruby on Rails? [duplicate]
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12 Answers
12
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Track the time a command takes in UNIX/LINUX?
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165
Yes, use time <command>, such as
time ls
Consult man time for more options. Link.
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How to add to an existing hash in Ruby
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191
If you have a hash, you can add items to it by referencing them by key:
hash = { }
hash[:a] =...