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Cython: “fatal error: numpy/arrayobject.h: No such file or directory”
... you are too lazy to write setup files and figure out the path for include directories,
try cyper. It can compile your Cython code and set include_dirs for Numpy automatically.
Load your code into a string, then simply run cymodule = cyper.inline(code_string), then your function is available as c...
Run a callback only if an attribute has changed in Rails
...ttps://github.com/rails/rails/commit/16ae3db5a5c6a08383b974ae6c96faac5b4a3c81
Here is a blog post on these changes: https://www.ombulabs.com/blog/rails/upgrades/active-record-5-1-api-changes.html
Here is the summary I made for myself on the changes to ActiveRecord::Dirty in Rails 5.1+:
ActiveReco...
How to access maven.build.timestamp for resource filtering
I am using maven 3.0.4 and would like to make the build timestamp accessible to my application. For this, I'm putting a placeholder in a .properties file and let maven filter on build. While this is working fine for ${project.version} , ${maven.build.timestamp} is not substituted on filtering. ...
How to check whether an array is empty using PHP?
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Some decent answers, but just thought I'd expand a bit to explain more clearly when PHP determi...
List files with certain extensions with ls and grep
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@RichardVenable add the -d switch to prevent that directories are recursed.
– Carlos Eugenio Thompson Pinzón
Oct 5 '13 at 16:50
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git pull aborted with error filename too long
...re details : for technical reasons, Git for Windows cannot create files or directories when the absolute path is longer than 260 characters.
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Check if value already exists within list of dictionaries?
... Mark ByersMark Byers
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
转：postfix安装Q&A 原文地址：http: bbs.chinaunix.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfix（地址在这里http: www.extmail....
原文地址：http://bbs.chinaunix.net/viewthread.php?tid=770141
执照wangmingda老大...
how to remove untracked files in Git?
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To remove untracked files / directories do:
git clean -fdx
-f - force
-d - directories too
-x - remove ignored files too ( don't use this if you don't want to remove ignored files)
Use with Caution!
These commands can permanently delete arbitrary file...
How do I rename an open file in Emacs?
...ping. Reenable with C-z C-z in the prompt.
(let ((ido-auto-merge-work-directories-length -1))
(list (read-file-name (format "Rename %s to: " (file-name-nondirectory
(buffer-file-name))))))))
(if (equal new-name "")
(error "Ab...