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Check if PHP session has already started
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An example for testing if session_id() returns empty string in an include file:
– tgoneil
Oct 5 '12 at 8:05
3
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How do I store an array in localStorage? [duplicate]
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localStorage only supports strings. Use JSON.stringify() and JSON.parse().
var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));
//...
var storedNames = JSON.parse(localStorage.getItem("names"));...
Trim spaces from end of a NSString
I need to remove spaces from the end of a string. How can I do that?
Example: if string is "Hello " it must become "Hello"
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Detect encoding and make everything UTF-8
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If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output.
I made a function that addresses all this issues. It´s called Encoding::toUTF8().
You don't need to know what the encoding of your strings is. It can be Latin1 (ISO 8859-1), Win...
Why does this method print 4?
...t execution if you'd prefer-
static int cnt = 0;
public static void main(String[] args) {
try {
main(args);
} catch (Throwable ignore) {
cnt++;
try {
System.out.println(cnt);
} catch (Throwable t) {
}...
How to change a django QueryDict to Python Dict?
...n where a given key may have one or more values, you could sometimes get a string, and sometimes get a list of strings.
– Asherah
Jan 4 '16 at 3:11
add a comment
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Python JSON serialize a Decimal object
...a Decimal('3.9') as part of an object, and wish to encode this to a JSON string which should look like {'x': 3.9} . I don't care about precision on the client side, so a float is fine.
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Sphinx autodoc is not automatic enough
... = [
'sphinx.ext.autodoc', # Core library for html generation from docstrings
'sphinx.ext.autosummary', # Create neat summary tables
]
autosummary_generate = True # Turn on sphinx.ext.autosummary
# Add any paths that contain templates here, relative to this directory.
templates_path = ['...
Django - How to rename a model field using South?
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Django 1.7 introduced Migrations so now you don't even need to install extra package to manage your migrations.
To rename your model you need to create empty migration first:
$ manage.py makemigrations <app_name> --empty
Then you need to edit your migration's code like this:
from djan...
JavaScript/jQuery to download file via POST with JSON data
... body, appends the iframe HTML, and sets the innerHTML of the page to that string. This will wipe out any event bindings your page has, amongst other things. Create an element and use appendChild instead.
$.post('/create_binary_file.php', postData, function(retData) {
var iframe = document.create...