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Bash continuation lines
... like a single string which crosses lines, while indenting but not getting all those spaces, one approach you can try is to ditch the continuation line and use variables:
$ a="continuation"
$ b="lines"
$ echo $a$b
continuationlines
This will allow you to have cleanly indented code at the expense ...
Loading and parsing a JSON file with multiple JSON objects
... contains JSON per line, you are saved the headaches of trying to parse it all in one go or to figure out a streaming JSON parser. You can now opt to process each line separately before moving on to the next, saving memory in the process. You probably don't want to append each result to one list and...
Android Fragment lifecycle over orientation changes
...mit();
} else {
// do nothing - fragment is recreated automatically
}
Be warned though: problems will occur if you try and access Activity Views from inside the Fragment as the lifecycles will subtly change. (Getting Views from a parent Activity from a Fragment isn't easy).
...
Use of *args and **kwargs [duplicate]
...u're not sure how many arguments might be passed to your function, i.e. it allows you pass an arbitrary number of arguments to your function. For example:
>>> def print_everything(*args):
for count, thing in enumerate(args):
... print( '{0}. {1}'.format(count, thing))
...
...
C#对象序列化与反序列化 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...型的完全限定名称和定义程序集的完整名称（包括包称、版本、公钥标记、区域性），这些数据使得在进行二进制格式反序列化时亦会进行类型检查。SOAP格式序列化通过使用XML命名空间来持久化原始程序集信息。而XML格式序列...
What's the point of 'const' in the Haskell Prelude?
...
It's useful for passing to higher-order functions when you don't need all their flexibility. For example, the monadic sequence operator >> can be defined in terms of the monadic bind operator as
x >> y = x >>= const y
It's somewhat neater than using a lambda
x >> y =...
Is it possible to implement a Python for range loop without an iterator variable?
Is it possible to do following without the i ?
14 Answers
14
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How to add column if not exists on PostgreSQL?
...o add column x to table y , but only when x column doesn't exist ? I found only solution here how to check if column exists.
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Does a `+` in a URL scheme/host/path represent a space?
...but
any + characters in the path component is expected to be treated literally.
To be explicit: + is only a special character in the query component.
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Backup/Restore a dockerized PostgreSQL database
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edited Aug 28 '18 at 20:00
Soviut
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