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Escaping quotes and double quotes

... were looking for? The error PowerShell gave me referred to an unexpected token 'sort1', and that's how I determined where to put the backticks. The @' ... '@ syntax is called a "here string" and will return exactly what is entered. You can also use them to populate variables in the following fash...
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How can I check whether an array is null / empty?

...won't be null. e.g. int[] numbers = new int[3]; In this case, the space is allocated & each of the element has a default value of 0. It will be null, when you don't new it up. e.g. int[] numbers = null; // changed as per @Joachim's suggestion. if (numbers == null) { System.out.println("yes...
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No secret option provided to Rack::Session::Cookie warning?

...::Cookie. options[:secret] ||= Rails.application.config.secret_token super end end share | improve this answer | follow ...
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Java - removing first character of a string

...u are actually creating a new string with all the overhead implied (memory allocation and garbage collection). So if you want to make a series of modifications to a string and care only about the final result (the intermediate strings will be dead as soon as you 'modify' them), it may make more sen...
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How do you make Git ignore files without using .gitignore?

...ocal changes to tracked files: git update-index --assume-unchanged my-file.php Unignore local changes to tracked files: git update-index --no-assume-unchanged my-file.php source: git help update-index --[no-]assume-unchanged ... This option can be also used as a coarse file-...
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Is there a 'foreach' function in Python 3?

... Every occurence of "foreach" I've seen (PHP, C#, ...) does basically the same as pythons "for" statement. These are more or less equivalent: // PHP: foreach ($array as $val) { print($val); } // C# foreach (String val in array) { console.writeline(val); }...
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Bogus foreign key constraint fail

... On demand, now as an answer... When using MySQL Query Browser or phpMyAdmin, it appears that a new connection is opened for each query (bugs.mysql.com/bug.php?id=8280), making it neccessary to write all the drop statements in one query, eg. SET FOREIGN_KEY_CHECKS=0; DROP TABLE my_first_...
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How to draw border around a UILabel?

...BorderLabel It's quite simple: GSBorderLabel *myLabel = [[GSBorderLabel alloc] initWithTextColor:aColor andBorderColor:anotherColor andBorderWidth:2]; ...
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Exposing database IDs - security risk?

...tifiers is a necessity, however, is in session IDs or other authentication tokens, where the ID itself authenticates a request. These should be generated by a cryptographic RNG. share | improve th...
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String to Dictionary in Python

...rying to do it server side. I've gotten to the point where I get my access token, and when I go to: 2 Answers ...