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Checking if jquery is loaded using Javascript
...if my Jquery Library is loaded onto my HTML page. I am checking to see if it works, but something is not right. Here is what I have:
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How do I create a random alpha-numeric string in C++?
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Mehrdad Afshari's answer would do the trick, but I found it a bit too verbose for this simple task. Look-up tables can sometimes do wonders:
#include <iostream>
#include <ctime>
#include <unistd.h>
using namespace std;
string gen_random(const int len) {
...
Measuring the distance between two coordinates in PHP
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Not long ago I wrote an example of the haversine formula, and published it on my website:
/**
* Calculates the great-circle distance between two points, with
* the Haversine formula.
* @param float $latitudeFrom Latitude of start point in [deg decimal]
* @param float $longitudeFrom Longitude...
NodeJS require a global module/package
I'm trying to install globally and then use forever and forever-monitor like this:
8 Answers
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Pandas index column title or name
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You can just get/set the index via its name property
In [7]: df.index.name
Out[7]: 'Index Title'
In [8]: df.index.name = 'foo'
In [9]: df.index.name
Out[9]: 'foo'
In [10]: df
Out[10]:
Column 1
foo
Apples 1
Oranges 2...
How efficient can Meteor be while sharing a huge collection among many clients?
...he short answer is that only new data gets sent down the wire. Here's
how it works.
There are three important parts of the Meteor server that manage
subscriptions: the publish function, which defines the logic for what
data the subscription provides; the Mongo driver, which watches the
database fo...
moment.js - UTC gives wrong date
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By default, MomentJS parses in local time. If only a date string (with no time) is provided, the time defaults to midnight.
In your code, you create a local date and then convert it to the UTC timezone (in fact, it makes the moment instance switch to UTC mode), so when it is formatted, it i...
Cosmic Rays: what is the probability they will affect a program?
...again I was in a design review, and encountered the claim that the probability of a particular scenario was "less than the risk of cosmic rays" affecting the program, and it occurred to me that I didn't have the faintest idea what that probability is.
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Unable to set data attribute using jQuery Data() API
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It is mentioned in the .data() documentation
The data- attributes are pulled in the first time the data property is accessed and then are no longer accessed or mutated (all data values are then stored internally in jQuery...
Setting environment variables on OS X
...apps
# (and Terminal), including those launched via Spotlight.
#
# After editing this file run the following command from the terminal to update
# environment variables globally without needing to reboot.
# NOTE: You will still need to restart the relevant application (including
# Terminal) to pick ...