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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]
... modifies the first list. Is there any concatenation function that returns its result without modifying its arguments?
7 An...
Multiple commands in gdb separated by some sort of delimiter ';'?
...t; end
And then just type:
(gdb) fn
You can put this in your ~/.gdbinit file as well so it is always available.
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?
In C#, I want to initialize a string value with an empty string.
30 Answers
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how to check if a file is a directory or regular file in python? [duplicate]
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os.path.isfile("bob.txt") # Does bob.txt exist? Is it a file, or a directory?
os.path.isdir("bob")
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How do I use IValidatableObject?
...l, null),
results,
validateAllProperties);
}
It is important to set validateAllProperties to false for this method to work. When validateAllProperties is false only properties with a [Required] attribute are checked. This allows the IValidatableObject.Validate() metho...
Foreign Key naming scheme
I'm just getting started working with foreign keys for the first time and I'm wondering if there's a standard naming scheme to use for them?
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Downloading images with node.js [closed]
I'm trying to write a script to download images using node.js. This is what I have so far:
7 Answers
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Python: What OS am I running on?
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edited Dec 27 '19 at 4:51
Boris
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Should private helper methods be static if they can be static
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I prefer such helper methods to be private static; which will make it clear to the reader that they will not modify the state of the object. My IDE will also show calls to static methods in italics, so I will know the method is static without looking the signature.
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Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...发现 ls 卡住了。
通过下面的命令可以看到 ls 卡在了 vfs_fstatat 调用上，它会给 FUSE 设备发送 getattr 请求，在等待回应。而 JuiceFS 客户端进程已经被我们停掉了，所以它就卡住了：
$ cat /proc/`pgrep ls`/stack
[<ffffffff813277c7>] request_w...