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iOS: Convert UTC NSDate to local Timezone
...ate:ts_utc];
// you can also use NSDateFormatter dateFromString to go the opposite way
Table of formatting string parameters:
https://waracle.com/iphone-nsdateformatter-date-formatting-table/
If performance is a priority, you may want to consider using strftime
https://developer.apple.com/lega...
How to add a browser tab icon (favicon) for a website?
I've been working on a website and I'd like to add a small icon to the browser tab.
13 Answers
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What is referential transparency?
...e context "Edinburgh has been ... since 1999" is referentially opaque (the opposite of referentially transparent). It apparently cares about something more than what the term refers to. What is it?
Things such as "the capital of Scotland" are called definite terms and they gave no lean amount of ...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...件尾后，即文件原先的内容会被保留。
导航：
一、PHP
二、C#
三、C
3.1、fgets、fputs文本读写
3.2、fread、fwrite二进制读写
四、C++
五、Java
PHP读写文件：
// 写文件
$fp = fopen("log.txt", "a");
fwrite($fp, $str);
fclose(...
What is the best way to implement “remember me” for a website? [closed]
I want my website to have a checkbox that users can click so that they will not have to log in each time they visit my website. I know I will need to store a cookie on their computer to implement this, but what should be contained in that cookie?
...
string sanitizer for filename
I'm looking for a php function that will sanitize a string and make it ready to use for a filename. Anyone know of a handy one?
...
App Inventor 2 接入百度网盘API · App Inventor 2 中文网
...我们的请求：Transfer-Encoding can’t be trunked.
而采用python或php自己写一个简单服务端是可以接受上传的文件的。
采用图片base64方案，也只能自己写服务端，然后解码，恢复文件，百度网盘也无法采用这种方案。
直接用python或curl...
What is SQL injection? [duplicate]
...ta or even changing data that they shouldn't be allowed to do.
Example in PHP:
$password = $_POST['password'];
$id = $_POST['id'];
$sql = "UPDATE Accounts SET PASSWORD = '$password' WHERE account_id = $id";
Now suppose the attacker sets the POST request parameters to "password=xyzzy" and "id=acc...
node.js hash string?
...nt hash between Javascript (NodeJS) and other langage/service like Python, PHP, Github...
If you don't use this code, you can get a different hash between NodeJS and Python...
How to get the same hash that Python, PHP, Perl, Github (and prevent an issue) :
NodeJS is hashing the UTF-8 representation...
How do I create a Linked List Data Structure in Java? [closed]
...
The above linked list display in opposite direction. I think the correct implementation of insert method should be
public void insert(int d1, double d2) {
Link link = new Link(d1, d2);
if(first==null){
link.nextLink = null;
first ...