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javascript set a variable if undefined

...number') ? getVariable : 0; In this case if getVariable is not a number (string, object, whatever), setVariable is set to 0 share | improve this answer | follow ...
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Automatically deleting related rows in Laravel (Eloquent ORM)

...record in the DB, but will not run your delete method, so if you are doing extra work on delete (for example - delete files), it will not run – amosmos Dec 22 '15 at 13:57 10 ...
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?

... // This matches Oracle Java 7 and 8, but not Java 9 or OpenJDK. final String name = System.getProperty("java.runtime.name"); final String ver = System.getProperty("java.version"); return name != null && name.equals("Java(TM) SE Runtime Environment") && ver !=...
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Error when changing to master branch: my local changes would be overwritten by checkout

... Your options, as I see it, are - commit, and then amend this commit with extra changes (you can modify commits in git, as long as they're not pushed); or - use stash: git stash save your-file-name git checkout master # do whatever you had to do with master git checkout staging git stash pop git...
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Strip whitespace from jsp output

... Please, use the trim funcion, example fn:trim(string1) share | improve this answer | follow | ...
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Generate UML Class Diagram from Java Project [closed]

... sucks. Hard. Instructions want users to prefix all properties with an 'f' char to sniff them. It is destructive, too, and adds a bunch of its own comments to ALL class files. Also, instructions are non-intuitive. If someone can refute my experience (based on the current version in Kepler), please d...
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How to parse JSON using Node.js? [closed]

...rocess.env to retrieve the config vars from within the code. Parsing a string containing JSON data var str = '{ "name": "John Doe", "age": 42 }'; var obj = JSON.parse(str); Parsing a file containing JSON data You'll have to do some file operations with fs module. Asynchronous version var...
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Casting a variable using a Type variable

... int x = (int)obj; DoSomethingWithInt(x); } else if (type == typeof(string)) { string s = (string)obj; DoSomethingWithString(s); } // ... share | improve this answer | ...
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CodeIgniter removing index.php from url

...g on hosting server. In some hosting server (e.g.: Godaddy) need to use an extra ? in the last line of above code. The following line will be replaced with last line in applicable case: // Replace last .htaccess line with this line RewriteRule ^(.*)$ index.php?/$1 [L,QSA] ...
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How can I delete all unversioned/ignored files/folders in my working copy?

...status --no-ignore | grep '^[I?]' | cut -c 9- | # setting IFS to the empty string ensures that any leading or # trailing whitespace is not trimmed from the filename while IFS= read -r f; do # tell the user which file is being deleted. use printf # instead of echo because different implement...