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Node.js: what is ENOSPC error and how to solve?
...:
echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
For Arch Linux add this line to /etc/sysctl.d/99-sysctl.conf:
fs.inotify.max_user_watches=524288
Then execute:
sysctl --system
This will also persist across reboots.
Technical Details Source...
Remove multiple spaces and new lines inside of String
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Just be aware: squeeze will compress ALL strings that come in runs of multiple characters. So "Squeeze my application's copy".squeeze => "Squeze my aplication's copy"
– charliepark
Sep 27 '13 at 20:49
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设置用户默认权限 Umask命令详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...22 = 644
注：权限计算实际上是二进制位的与操作，参考All About the umask and Permissions。
操作bar.tar
shell> tar xf bar.tar
这次有点不同，我们要运行两次tar命令。
第一次：以root身份运行tar命令，然后查看目录和文件的权限，分别...
With bash, how can I pipe standard error into another process?
...the file as follows:
process1 2> >(process2)
Here is a concrete example that sends stderr to both the screen and appends to a logfile
sh myscript 2> >(tee -a errlog)
share
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How to get a complete list of object's methods and attributes?
...butes, the short answer is: no. The problem is that the attributes are actually defined as the arguments accepted by the getattr built-in function. As the user can reimplement __getattr__, suddenly allowing any kind of attribute, there is no possible generic way to generate that list. The dir functi...
How to create a directory using Ansible
...immediate subdirectories is confusing, could you define that and give an example?
– Jamie Jackson
Sep 13 '18 at 20:34
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How does a Java HashMap handle different objects with the same hash code?
...r in the bucket of which the identifier is the hash code of the key. For example: The hash code of the key is 235 -> the pair is stored in bucket number 235. (Note that one bucket can store more then one key-value pair).
When you lookup a value in the hashmap, by giving it a key, it will first l...
PATH issue with pytest 'ImportError: No module named YadaYadaYada'
I used easy_install to install pytest on a mac and started writing tests for a project with a file structure likes so:
20 A...
What is the difference between a static and a non-static initialization code block
...own, just like simple variable initializers) when the class is loaded (actually, when it's resolved, but that's a technicality).
Instance initializers are executed in the order defined when the class is instantiated, immediately before the constructor code is executed, immediately after the invocat...
How do I run all Python unit tests in a directory?
...it test module is of the form test_*.py . I am attempting to make a file called all_test.py that will, you guessed it, run all files in the aforementioned test form and return the result. I have tried two methods so far; both have failed. I will show the two methods, and I hope someone out there ...