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JSON.stringify without quotes on properties?
...ases:
const object = { name: 'John Smith' };
const json = JSON.stringify(object); // {"name":"John Smith"}
console.log(json);
const unquoted = json.replace(/"([^"]+)":/g, '$1:');
console.log(unquoted); // {name:"John Smith"}
Extreme case:
var json = '{ "name": "J\\":ohn Smith" }'
...
How do I use itertools.groupby()?
...tor to iterate over each individual item in that group.
Here's a slightly different example with the same data, using a list comprehension:
for key, group in groupby(things, lambda x: x[0]):
listOfThings = " and ".join([thing[1] for thing in group])
print(key + "s: " + listOfThings + ".")
...
Validate that end date is greater than start date with jQuery
...alidator.addMethod("greaterThan",
function(value, element, params) {
if (!/Invalid|NaN/.test(new Date(value))) {
return new Date(value) > new Date($(params).val());
}
return isNaN(value) && isNaN($(params).val())
|| (Number(value) > Number($(params).val(...
How can I add a custom HTTP header to ajax request with js or jQuery?
...
There are several solutions depending on what you need...
If you want to add a custom header (or set of headers) to an individual request then just add the headers property:
// Request with custom header
$.ajax({
url: 'foo/bar',
headers: { 'x-my-custom-header': 'some value'...
Random shuffling of an array
...ing Fisher–Yates shuffle
static void shuffleArray(int[] ar)
{
// If running on Java 6 or older, use `new Random()` on RHS here
Random rnd = ThreadLocalRandom.current();
for (int i = ar.length - 1; i > 0; i--)
{
int index = rnd.nextInt(i + 1);
// Simple swap
...
Adding a new entry to the PATH variable in ZSH
... My .zshrc already had a line for export PATH so I replaced it with the modified one.
– Zack Huston
Feb 27 '14 at 13:32
6
...
Git resolve conflict using --ours/--theirs for all files
... be very inconvenient to have to type this every time at the command line, if you do find yourself using it a lot, it might not be a bad idea to create an alias for your shell of choice: Bash is the usual one.
This method should work through at least Git versions 2.4.x
...
How do I find which transaction is causing a “Waiting for table metadata lock” state?
...
If you cannot find the process locking the table (cause it is alreay dead), it may be a thread still cleaning up like this
section TRANSACTION of
show engine innodb status;
at the end
---TRANSACTION 1135701157, ACTIVE 67...
Ruby on Rails form_for select field with class
...
Does anyone know what we should do if the f.select is being passed a block in the end? The class doesn't seem to go through with any combination I've tried.
– Tashows
Aug 23 '16 at 0:17
...
How to use ternary operator in razor (specifically on HTML attributes)?
...are evaluating an expression in your Razor code. The best way to do this (if, for example, you are in a foreach loop) is using a generic method.
The syntax for calling a generic method in Razor is:
@(expression)
In this case, the expression is:
User.Identity.IsAuthenticated ? "auth" : "anon"...