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Is there a REAL performance difference between INT and VARCHAR primary keys?

...dex)) ENGINE=InnoDB; Then, I filled 10 million rows in each table with a PHP script whose essence is like this: $pdo = get_pdo(); $keys = [ 'alabam', 'massac', 'newyor', 'newham', 'delawa', 'califo', 'nevada', 'texas_', 'florid', 'ohio__' ]; for ($k = 0; $k < 10; $k++) { for ($j = 0; $j ...
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How can I get browser to prompt to save password?

... will offer to save the password. <form id="loginform" action="login.php" onSubmit="return login(this);"> <input name="username" type="text" /> <input name="password" type="password" /> <input name="doLogin" type="submit" value="Login" /> </form> Using this met...
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SHA-1 fingerprint of keystore certificate

... Look at this to get SHA-1 key using android studio. easybook4u.com/index.php/2017/08/25/… – Himanshu arora Aug 28 '17 at 15:31  |  show 5 ...
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Print array to a file

... or set print_r to return the output instead of printing it. Example from PHP manual $b = array ( 'm' => 'monkey', 'foo' => 'bar', 'x' => array ('x', 'y', 'z')); $results = print_r($b, true); // $results now contains output from print_r You can then save $results with fil...
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ios Upload Image and Text using HTTP POST

...ost method NSString *str=[NSString stringWithFormat:@"%@registration.php",appdel.baseUrl]; NSString *urlString = [NSString stringWithFormat:@"%@",str]; NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init]; [request setURL:[NSURL URLWithString:urlString]]; [request setHTTPMeth...
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How to get HTTP Response Code using Selenium WebDriver

...36.775000 UTC - [Socket Thread]: I/nsHttp Server: Apache/2.4.23 (Amazon) PHP/5.6.24 2017-11-02 14:54:36.775000 UTC - [Socket Thread]: I/nsHttp Set-Cookie: AWSELB=5F256FFA816C8E72E13AE0B12A17A3D540582F804C87C5FEE323AF3C9B638FD6260FF473FF64E44926DD26221AAD2E9727FD739483E7E4C31784C7A495796B4161...
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How do I get the current time zone of MySQL?

...e to the system's timezone, which is less than helpful. Since you're using PHP, if the answer from MySQL is SYSTEM, you can then ask the system what timezone it's using via date_default_timezone_get. (Of course, as VolkerK pointed out, PHP may be running on a different server, but as assumptions go,...
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Is there a RegExp.escape function in Javascript?

... @Paul: Perl quotemeta (\Q), Python re.escape, PHP preg_quote, Ruby Regexp.quote... – bobince Oct 3 '13 at 10:24 14 ...
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Function to return only alpha-numeric characters from string?

I'm looking for a php function that will take an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric. ...
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Is it possible to specify the schema when connecting to postgres with JDBC?

...ch) to use it: http://archives.postgresql.org/pgsql-jdbc/2008-07/msg00012.php http://jdbc.postgresql.org/ share | improve this answer | follow | ...