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Cleaner way to update nested structures
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Zippers
Huet's Zipper provides convenient traversal and 'mutation' of an immutable data structure. Scalaz provides Zippers for Stream (scalaz.Zipper), and Tree (scalaz.TreeLoc). It turns out that the structure of the zipper is...
Can You Get A Users Local LAN IP Address Via JavaScript?
...ou are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as much information as possible about you, the visitor:
http://www.whatsmyip.org/more-info-about-you/
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How do I copy a hash in Ruby?
I'll admit that I'm a bit of a ruby newbie (writing rake scripts, now). In most languages, copy constructors are easy to find. Half an hour of searching didn't find it in ruby. I want to create a copy of the hash so that I can modify it without affecting the original instance.
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Unix command-line JSON parser? [closed]
...reated a module specifically designed for command-line JSON manipulation:
https://github.com/ddopson/underscore-cli
FLEXIBLE - THE "swiss-army-knife" tool for processing JSON data - can be used as a simple pretty-printer, or as a full-powered Javascript command-line
POWERFUL - Exposes the full po...
How to find the nearest parent of a Git branch?
Let's say I have the following local repository with a commit tree like this:
20 Answers
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How can I create an object and add attributes to it?
I want to create a dynamic object (inside another object) in Python and then add attributes to it.
16 Answers
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How to schedule a function to run every hour on Flask?
... and run your jobs via its interface:
import atexit
# v2.x version - see https://stackoverflow.com/a/38501429/135978
# for the 3.x version
from apscheduler.scheduler import Scheduler
from flask import Flask
app = Flask(__name__)
cron = Scheduler(daemon=True)
# Explicitly kick off the background ...
How do I install Python packages on Windows?
...ps to install pip on Windows, it's quite easy.
Install setuptools:
curl https://bootstrap.pypa.io/ez_setup.py | python
Install pip:
curl https://bootstrap.pypa.io/get-pip.py | python
Optionally, you can add the path to your environment so that you can use pip anywhere. It's somewhere like C:\P...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Windbg Step 2 分析程序堆栈实战转载+整理http: www.cnblogs.com killmyday#include"stdafx.h"#include<tchar.h>#ifdef_UNICODE#define_ttol_wtol#else#define_ttolatol#e...转载+整理 http://www.cnblogs.com/killmyday
#include "stdafx.h"
#include <tchar.h>
#ifdef _UNICODE
#define _tt...
How to get a list of current open windows/process with Java?
Does any one know how do I get the current open windows or process of a local machine using Java?
14 Answers
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