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Leaflet - How to find existing markers, and delete markers?
...sed by the latest. So one way to go is to create a global array of marker, and you add your marker in the global array.
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Big O of JavaScript arrays
Arrays in JavaScript are very easy to modify by adding and removing items. It somewhat masks the fact that most languages arrays are fixed-size, and require complex operations to resize. It seems that JavaScript makes it easy to write poorly performing array code. This leads to the question:
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Enable access control on simple HTTP server
...ever create a simple HTTP server yourself, using most of SimpleHTTPRequestHandler, and just add that desired header.
For that, simply create a file simple-cors-http-server.py (or whatever) and, depending on the Python version you are using, put one of the following codes inside.
Then you can do py...
SQL to determine minimum sequential days of access?
...n user has accessed a website (in a 24 hour UTC period). It has many thousands of records, but only one record per day per user. If the user has not accessed the website for that day, no record will be generated.
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Remove grid, background color, and top and right borders from ggplot2
...ately below by using ggplot2. I can come close, but cannot remove the top and right borders. Below I present several attempts using ggplot2, including several suggestions found on or via Stackoverflow. Unfortunately I have not been able to get those suggestions to work.
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Why implement interface explicitly?
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If you implement two interfaces, both with the same method and different implementations, then you have to implement explicitly.
public interface IDoItFast
{
void Go();
}
public interface IDoItSlow
{
void Go();
}
public class JustDoIt : IDoItFast, IDoItSlow
{
void IDoItF...
Skip callbacks on Factory Girl and Rspec
...efault should be that when I create an object the callbacks are triggered, and I should use a different parameter for the exceptional case. so FactoryGirl.create(:user) should create the user triggering the callbacks, and FactoryGirl.create(:user_without_callbacks) should create the user without th...
Difference between await and ContinueWith
Can someone explain if await and ContinueWith are synonymous or not in the following example. I'm trying to use TPL for the first time and have been reading all the documentation, but don't understand the difference.
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git: 'credential-cache' is not a git command
... Here is a screenshot:
Still using msysgit? For msysgit versions 1.8.1 and above
The wincred helper was added in msysgit 1.8.1. Use it as follows:
git config --global credential.helper wincred
For msysgit versions older than 1.8.1
First, download git-credential-winstore and install it in yo...
Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.10:test
...t five days now looking for a fix to this issue, but I cannot seem to find and fix it on my own, mainly because I am so new to both Maven and PlayN so I'm not entirely sure at what I'm looking at exactly. But, it is clearly fizzing up at building the core. Seems it can't download an "artifact filt...