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How to save as a new file and keep working on the original one in Vim?
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From Vim's help: :sav[eas][!] [++opt] {file} So, :sav is the shortener for :saveas. Whereas, :w is the shortcut for :[range]w[rite][!] [++opt] {file}. And everything is in the manual, just few lines above/below.
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How do I choose between Semaphore and SemaphoreSlim?
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From the MSDN documentation, "The SemaphoreSlim class is the recommended semaphore for synchronization within a single app.". Except for special cases, you should default to using SemaphoreSlim if only one process is using th...
Dictionary vs Object - which is more efficient and why?
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Have you tried using __slots__?
From the documentation:
By default, instances of both old and new-style classes have a dictionary for attribute storage. This wastes space for objects having very few instance variables. The space consumption can become acut...
Convert a String representation of a Dictionary to a dictionary?
... literal structures: strings, numbers, tuples, lists, dicts, booleans,
and None.
For example:
>>> eval("shutil.rmtree('mongo')")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1, in <module>
File "/opt/Python...
Is HTML considered a programming language? [closed]
...ring whether HTML qualifies as a programming language (obviously the "L" stands for language).
15 Answers
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Is it possible to use the SELECT INTO clause with UNION [ALL]?
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This works in SQL Server:
SELECT * INTO tmpFerdeen FROM (
SELECT top 100 *
FROM Customers
UNION All
SELECT top 100 *
FROM CustomerEurope
UNION All
SELECT top 100 *
FROM CustomerAsia
UNION All
SELECT top 100 *
FROM CustomerAme...
How to log request and response body with Retrofit-Android?
...AuthenticationErrorEvent()));
}
return response;
}
}
code take from https://github.com/AndreiD/UltimateAndroidTemplateRx (my project).
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...发，由于没有Mac，采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Le... iCc原创，转载请注明出处！
最近才开始研究iPhone开发，由于没有Mac，采用的是AMD CPU + Win7 + VMWare之后安装Mac OS X Snow Leopard，再升级，再安装XCode 4.2和iOS SDK 5.0...
How to get current memory usage in android?
... == 0x100000
It's quite obvious that the number is used to convert from bytes to mebibyte
P.S: we need to calculate total memory only once. so call point 1 only once in your code and then after, you can call code of point 2 repetitively.
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Determine file creation date in Java
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Java nio has options to access creationTime and other meta-data as long as the filesystem provides it.
Check this link out
For example(Provided based on @ydaetskcoR's comment):
Path file = ...;
BasicFileAttributes attr = Files.readAttributes(file, BasicFileAttributes...