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Unique random string generation

I'd like to generate random unique strings like the ones being generated by MSDN library.( Error Object ), for example. A string like 't9zk6eay' should be generated. ...
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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

... A query may fail for various reasons in which case both the mysql_* and the mysqli extension will return false from their respective query functions/methods. You need to test for that error condition and handle it accordingly. mysql_* extension: NOTE The mysql_ functions are deprecated a...
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Why {} + {} is NaN only on the client side? Why not in Node.js?

While [] + [] is an empty string, [] + {} is "[object Object]" , and {} + [] is 0 . Why is {} + {} NaN? 1 Answer ...
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Gradle to execute Java class (without modifying build.gradle)

There is simple Eclipse plugin to run Gradle, that just uses command line way to launch gradle. 4 Answers ...
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Is there an opposite of include? for Ruby Arrays?

...name) ... end ActiveSupport adds the exclude? method to Array, Hash, and String. This is not pure Ruby, but is used by a LOT of rubyists. Source: Active Support Core Extensions (Rails Guides) share | ...
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Laravel requires the Mcrypt PHP extension

... The web enabled extensions and command line enabled extensions can differ. Run php -m in your terminal and check to see if mcrypt is listed. If it's not then check where the command line is loading your php.ini file from by running php --ini from your ...
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How to get the text node of an element?

I wish to get the "I am text node", do not wish to remove the "edit" tag, and need a cross browser solution. 10 Answers ...
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Difference between $(this) and event.target?

I'm new to jQuery, and was making tabbed panels, following the tutorial in JavaScript and jQuery : The Missing Manual , there's that first line when the author does this : ...
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How to divide flask app into multiple py files?

...ication currently consists of a single test.py file with multiple routes and the main() route defined. Is there some way I could create a test2.py file that contains routes that were not handled in test.py ? ...
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Converting PKCS#12 certificate into PEM using OpenSSL

... in newfile.crt.pem private key in newfile.key.pem To put the certificate and key in the same file without a password, use the following, as an empty password will cause the key to not be exported: openssl pkcs12 -in path.p12 -out newfile.pem -nodes Or, if you want to provide a password for the pr...