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Xcode variables

...mmand for the shell you're using) and build your project. This will output all of the environment variables that are available to you. You can use this in conjunction with the documentation to make sure you're getting the data that you expected. – Ryan H. Mar 9...
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How to change MySQL data directory?

...r/mysql # Stop MySQL before copying over files service mysql stop # Copy all files in default directory, to new one, retaining perms (-p) cp -rp /var/lib/mysql/* /new/dir/for/mysql/ Edit the /etc/my.cnf file, and under [mysqld] add this line: datadir=/new/dir/for/mysql/ If you are using CageF...
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What is the difference between properties and attributes in HTML?

...attribute. Instead, it's the current value of the input. When the user manually changes the value of the input box, the value property will reflect this change. So if the user inputs "John" into the input box, then: theInput.value // returns "John" whereas: theInput.getAttribute('value') // retu...
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Safe String to BigDecimal conversion

...0,000,000.999999999999999"; BigDecimal money = new BigDecimal(value.replaceAll(",", "")); System.out.println(money); Full code to prove that no NumberFormatException is thrown: import java.math.BigDecimal; public class Tester { public static void main(String[] args) { // TODO Auto-...
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Why NSUserDefaults failed to save NSMutableDictionary in iOS?

... When do I need to release the loaded object? No alloc was called, so I would assume it is autorelased? – Marc Apr 16 '12 at 13:08 7 ...
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What are the differences between 'call-template' and 'apply-templates' in XSL?

... <xsl:call-template> is a close equivalent to calling a function in a traditional programming language. You can define functions in XSLT, like this simple one that outputs a string. <xsl:template name="dosomething"> &l...
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Good reasons NOT to use a relational database?

...l system) Very good support for versioning of data Berkeley DB (Basically, a disk based hashtable) Very simple conceptually (just un-typed key/value) Quite fast No administration overhead Supports transactions I believe Amazon's Simple DB Much like Berkeley DB I believe, but hosted ...
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How big can a user agent string get?

... HTTP specification does not limit length of headers at all. However web-servers do limit header size they accept, throwing 413 Entity Too Large if it exceeds. Depending on web-server and their settings these limits vary from 4KB to 64KB (total for all headers). ...
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How to apply !important using .css()?

... small fix when style is empty: $('#elem').attr('style', function(i,s) { return (s||'') + 'width: 100px !important;' }); – falko Oct 10 '13 at 8:47 ...
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How to retrieve POST query parameters?

... Express 3.0. This was different starting Express 4.0 to 4.15: $ npm install --save body-parser and then: var bodyParser = require('body-parser') app.use( bodyParser.json() ); // to support JSON-encoded bodies app.use(bodyParser.urlencoded({ // to support URL-encoded bodies extended...