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Difference between JSON.stringify and JSON.parse
...pt object into JSON text and stores that JSON text in a string, eg:
var my_object = { key_1: "some text", key_2: true, key_3: 5 };
var object_as_string = JSON.stringify(my_object);
// "{"key_1":"some text","key_2":true,"key_3":5}"
typeof(object_as_string);
// "string"
JSON.parse turns a...
Generating Guids in Ruby
...reRandom.uuid generates a random UUID, so it is not guaranteed as unique. If you just want a random string that is probably unique it will be okay to use this. However, if you want something that is guaranteed to be unique you will need to use something that includes the MAC address, timestamp, an...
What is the purpose of “return await” in C#?
...case when return in normal method and return await in async method behave differently: when combined with using (or, more generally, any return await in a try block).
Consider these two versions of a method:
Task<SomeResult> DoSomethingAsync()
{
using (var foo = new Foo())
{
...
What are all the user accounts for IIS/ASP.NET and how do they differ?
... of the impersonated account).
In IIS7.x/ASP.NET impersonation control is now configured via the Authentication configuration feature of a site. So you can configure to run as the pool identity, IUSR or a specific custom anonymous account.
LOCAL SERVICE:
The LOCAL SERVICE account is a built-in ac...
fatal error: malformed or corrupted AST file - Xcode
...this worked. But can you please explain what is all this about_ I like to know why something happens, when it does. And I just had this error when I opened my project the next day, out of the blue.
– SteBra
Jul 23 '14 at 8:27
...
Bash function to find newest file matching pattern
...s when the filenames can contain funny characters like spaces or newlines. If you can guarantee that the filenames will not contain funny characters then parsing ls is quite safe.
If you are developing a script which is meant to be run by many people on many systems in many different situations the...
Ways to circumvent the same-origin policy
...is to use custom HTTP headers to allow both the browser and the server to know enough about each other to determine if the request or response should succeed or fail.
For a simple request, one that uses either GET or POST with no custom headers and whose body is text/plain, the request is sent with...
How do I localize the jQuery UI Datepicker?
...['it'] not translate all words.
For translate the datepicker you must specify some variables:
$.datepicker.regional['it'] = {
closeText: 'Chiudi', // set a close button text
currentText: 'Oggi', // set today text
monthNames: ['Gennaio','Febbraio','Marzo','Aprile','Maggio','Giugno', '...
SQL- Ignore case while searching for a string
...ave to compare both UPPER and LOWER variants because some characters have different representations in upper case but the same representation in lower case. For other characters, the opposite may be true. Java mentions the Georgian alphabet specifically as reason for doing an additional toLowerCase(...
How to tell if JRE or JDK is installed
... tried it on another, it complained that JDK was required. How can I check if JDK was somehow installed on my system? Note: the computer in question is a Mac.
...