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Best way to use PHP to encrypt and decrypt passwords? [duplicate]

...bcrypt. This answer explains how to properly implement password hashing in PHP. Still, here is how you would encrypt/decrypt: $key = 'password to (en/de)crypt'; $string = ' string to be encrypted '; // note the spaces To Encrypt: $iv = mcrypt_create_iv( mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128...
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Can we open pdf file using UIWebView on iOS?

... in your web view directly: Objective-C UIWebView *webView = [[UIWebView alloc] initWithFrame:CGRectMake(10, 10, 200, 200)]; NSURL *targetURL = [NSURL URLWithString:@"https://www.example.com/document.pdf"]; NSURLRequest *request = [NSURLRequest requestWithURL:targetURL]; [webView loadRequest:requ...
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How do I grant myself admin access to a local SQL Server instance?

...%sqlservice%' service exists ... set srvstate=0 for /F "usebackq tokens=1,3" %%i in (`sc query %sqlservice%`) do if .%%i == .STATE set srvstate=%%j if .%srvstate% == .0 goto existerror rem rem elevate if <domain/user> was defaulted rem if NOT .%2 == . goto co...
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How to Truncate a string in PHP to the word closest to a certain number of characters?

I have a code snippet written in PHP that pulls a block of text from a database and sends it out to a widget on a webpage. The original block of text can be a lengthy article or a short sentence or two; but for this widget I can't display more than, say, 200 characters. I could use substr() to cho...
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PHP Pass by reference in foreach [duplicate]

...); foreach ($a as &$v) { } foreach ($a as $v) { echo $v.'-'.$a[3].PHP_EOL; } As you can see, the last array item takes the current loop value: 'zero', 'one', 'two', and then it's just 'two'... : ) share |...
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In php, is 0 treated as empty?

... http://php.net/empty The following things are considered to be empty: "" (an empty string) 0 (0 as an integer) 0.0 (0 as a float) "0" (0 as a string) NULL FALSE array() (an empty array) var $var; (a variabl...
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What's a simple way to get a text input popup dialog box on an iPhone

...will not need a private API for this. UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" otherButtonTitles:nil]; alert.alertViewStyle = UIAlertViewStylePlainTextInput; [alert show]; [alert release]; This r...
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MISCONF Redis is configured to save RDB snapshots

... linux machines) but a lot of the times BGAVE fails because the fork can't allocate memory. Many times the fork fails to allocate memory (although the machine has enough RAM available) because of a conflicting optimization by the OS. As can be read from Redis FAQ: Redis background saving schema rel...
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Showing Travis build status in GitHub repo

...://travis-ci.org/profile/{fill in your own usernam}/profile Then copy the token and paste it inside the Travis Service Hook page in your Github Repo Settings section. Type in your username in Travis as well. Try the test send token button. You should see payload successfully sent. If this works...
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A more pretty/informative Var_dump alternative in PHP? [closed]

Every decent PHP programmer has a print_r or var_dump wrapper they use, love and assign shortcut keys to, why don't we share our favourite ones . ...