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Cast a Double Variable to Decimal

... You only use the M for a numeric literal, when you cast it's just: decimal dtot = (decimal)doubleTotal; Note that a floating point number is not suited to keep an exact value, so if you first add numbers together and then convert to Decimal ...
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How do PHP sessions work? (not “how are they used?”)

...d in a cookie, but sent in URLs, too -- but that's quite rare, nowadays. For more informations, you can take a look at the Session Handling section of the manual, that gives some useful informations. For instance, there is a page about Passing the Session ID, which explains how the session id is ...
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Django TemplateDoesNotExist?

...hon2.5/site-packages/projectname/ then with your settings django will look for the templates under /usr/lib/python2.5/site-packages/projectname/templates/ So in that case we want to move our templates to be structured like this: /usr/lib/python2.5/site-packages/projectname/templates/template1.html...
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Have a reloadData for a UITableView animate when changing

...tion: Calling this method causes the table view to ask its data source for new cells for the specified sections. The table view animates the insertion of new cells in as it animates the old cells out. share ...
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How to permanently set $PATH on Linux/Unix? [closed]

... /etc/environment List of unique assignments, allows references. Perfect for adding system-wide directories like /usr/local/something/bin to PATH variable or defining JAVA_HOME. Used by PAM and SystemD. /etc/environment.d/*.conf List of unique assignments, allows references. Perfect for adding sy...
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How to enable cross-origin resource sharing (CORS) in the express.js framework on node.js

... next(); }); app.get('/', function(req, res, next) { // Handle the get for this route }); app.post('/', function(req, res, next) { // Handle the post for this route }); The first call (app.all) should be made before all the other routes in your app (or at least the ones you want to be CORS ...
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Comments in Android Layout xml

... "ctrl + shft + /" (that is, hold control and the shift key then press the forward slash key). The comment code will be created with your cursor in the middle, so you can just start typing. – LeBeau Mar 30 '14 at 6:21 ...
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Traits in PHP – any real world examples/best practices? [closed]

Traits have been one of the biggest additions for PHP 5.4. I know the syntax and understand the idea behind traits, like horizontal code re-use for common stuff like logging, security, caching etc. ...
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nonlocal keyword in Python 2.x

... Thanks for this answer. I think you could improve the terminology though: instead of "can read, cannot change", maybe "can reference, cannot assign to". You can change the contents of an object in a nonlocal scope, but you can't cha...
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How to replace all dots in a string using JavaScript

... @Webwoman That's what the g modifier at the end of the expression is used for. Think of it as (g)lobally. – aefxx Mar 7 '19 at 9:50  |  show ...