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What is the difference between ndarray and array in numpy?
What is the difference between ndarray and array in Numpy? And where can I find the implementations in the numpy source code?
...
What is the preferred syntax for defining enums in JavaScript?
...avaScript#Versions) it's applicable to Firefox 4, IE 9, Opera 11.60 and I know it works in Chrome.
– Artur Czajka
Mar 15 '12 at 11:05
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Managing relationships in Laravel, adhering to the repository pattern
...sing Laravel 4 and had to answer all of the questions you are asking right now. After reading all of the available Laravel books over at Leanpub, and tons of Googling, I came up with the following structure.
One Eloquent Model class per datable table
One Repository class per Eloquent Model
A Servi...
Javascript foreach loop on associative array object
...nsole.log(arr_jq_TabContents[key]);
}
edit — it's probably a good idea now to note that the Object.keys() function is available on modern browsers and in Node etc. That function returns the "own" keys of an object, as an array:
Object.keys(arr_jq_TabContents).forEach(function(key, index) {
co...
How can I test if a letter in a string is uppercase or lowercase using JavaScript?
...test it if upper or lower case
example
var strings = 'this iS a TeSt 523 Now!';
var i=0;
var character='';
while (i <= strings.length){
character = strings.charAt(i);
if (!isNaN(character * 1)){
alert('character is numeric');
}else{
if (character == character.toUpper...
jQuery Ajax File Upload
...ssible through AJAX.
You can upload file, without refreshing page by using IFrame.
You can check further details here.
UPDATE
With XHR2, File upload through AJAX is supported. E.g. through FormData object, but unfortunately it is not supported by all/old browsers.
FormData support starts from f...
How can I get the SQL of a PreparedStatement?
...
It's nowhere definied in the JDBC API contract, but if you're lucky, the JDBC driver in question may return the complete SQL by just calling PreparedStatement#toString(). I.e.
System.out.println(preparedStatement);
At least MyS...
Convert hyphens to camel case (camelCase)
...
To add upon this, if you want to camel case space separated words as well, the following would work: var camelCased = myString.replace(/(-+|\s+)\w/g, function (g) { return g[1].toUpperCase(); });
– wolfram77
...
Query EC2 tags from within instance
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The ec2metadata tool is deprecated. Now you query the 'magic' URL at 169.254.169.254/latest/meta-data - hit it with cURL and it gives you magic endpoints you can use to get various bits of data. In this case curl http://169.254.169.254/latest/meta-data/instance...
Calculating distance between two points, using latitude longitude?
... upon this SOF article.
Obviously, the question was asked in 2010 and its now 2019.
But it comes up early in an internet search. The original question does not discount use of third-party-library (when I wrote this answer).
public double calculateDistanceInMeters(double lat1, double long1, double...