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A semantics for Bash scripts?
...he assignment
$ echo $foo
20
$ echo "${foo:0:1}" # Still just a string
2
Arrays
Arguments and Positional Parameters
Before talking about arrays it might be worth discussing positional parameters. The arguments to a shell script can be accessed using numbered parameters, $1, $2, $3, etc. You can ...
Clone Object without reference javascript [duplicate]
...code :
jQuery.extend = jQuery.fn.extend = function() {
var src, copyIsArray, copy, name, options, clone,
target = arguments[0] || {},
i = 1,
length = arguments.length,
deep = false;
// Handle a deep copy situation
if ( typeof target === "boolean" ) {
...
Last iteration of enhanced for loop in java
...here, and StringBuilder has a perfectly good append(int) overload.)
int[] array = {1, 2, 3...};
StringBuilder builder = new StringBuilder();
for (int i : array) {
if (builder.length() != 0) {
builder.append(",");
}
builder.append(i);
}
The nice thing about this is that it wil...
Google Gson - deserialize list object? (generic type)
... com.google.gson.reflect.TypeToken;
...
Type listType = new TypeToken<ArrayList<YourClass>>(){}.getType();
List<YourClass> yourClassList = new Gson().fromJson(jsonArray, listType);
Since several people in the comments have mentioned it, here's an explanation of how the TypeToke...
Bin size in Matplotlib (Histogram)
...st = np.linspace(min_edge, max_edge, Nplus1)
Note that linspace produces array from min_edge to max_edge broken into N+1 values or N bins
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Mutable vs immutable objects
... objects. Using mutable objects gets a lot of bad press (e.g. returning an array of strings from a method) but I'm having trouble understanding what the negative impacts are of this. What are the best practices around using mutable objects? Should you avoid them whenever possible?
...
PHP function to get the subdomain of a URL
...
Here's a one line solution:
array_shift((explode('.', $_SERVER['HTTP_HOST'])));
Or using your example:
array_shift((explode('.', 'en.example.com')));
EDIT: Fixed "only variables should be passed by reference" by adding double parenthesis.
EDIT 2:...
JavaScript - cannot set property of undefined
...
You have to set d[a] to either an associative array, or an object:
d[a] = [];
d[a] = {};
Without setting, this is what's happening:
d[a] == undefined, so you're doing undefined['greeting']=b; and by definition, undefined has no properties. Thus, the error you rec...
Byte array to image conversion
I want to convert a byte array to an image.
13 Answers
13
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Is JSON Hijacking still an issue in modern browsers?
...rd behavior for receiving collection data in Backbone is to send as a JSON Array.
1 Answer
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