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rgdal package installation

...liam Kyngesburye at http://www.kyngchaos.com/ may be used for source installs on OSX. As you seem to be under Linux, you always build package from source, so you will have to install the corresponding libraries on your system. If you are under Mint, Ubuntu or another Debian derivative, you can d...
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Difference between len() and .__len__()?

Is there any difference between calling len([1,2,3]) or [1,2,3].__len__() ? 4 Answers ...
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Callback functions in C++

In C++, when and how do you use a callback function? 10 Answers 10 ...
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Pass data to layout that are common to all pages

...website which have a layout page. However this layout page have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I did which perform some action. Also each page have their own view models properties. ...
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How to force link from iframe to be opened in the parent window

...of the page in the iframe: <base target="_parent"> This will load all links on the page in the parent window. If you want your links to load in a new window, use: <base target="_blank"> This tag is fully supported in all browsers. ...
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Efficiently updating database using SQLAlchemy ORM

...ngs in mind when using the ORM and plain SQL in the same transaction. Basically, from one side, ORM data modifications will only hit the database when you flush the changes from your session. From the other side, SQL data manipulation statements don't affect the objects that are in your session. So...
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Unit testing that events are raised in C# (in order)

...ited May 12 '11 at 15:38 David Hall 30.2k1010 gold badges8484 silver badges119119 bronze badges answered Oct 30 '08 at 1:45 ...
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PDO Prepared Inserts multiple rows in single query

... table (fielda, fieldb, ... ) values (?,?...), (?,?...).... That is basically how we want the insert statement to look like. Now, the code: function placeholders($text, $count=0, $separator=","){ $result = array(); if($count > 0){ for($x=0; $x<$count; $x++){ $re...
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How to include() all PHP files from a directory?

...t because this question was about including everything in a directory - usually this would be in different directories: eg DataClass defined in BE directory and BL.class.php defined in BL directory. – Carmageddon May 13 '13 at 15:52 ...
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Can comments be used in JSON?

... No. The JSON should all be data, and if you include a comment, then it will be data too. You could have a designated data element called "_comment" (or something) that would be ignored by apps that use the JSON data. You would probably be bett...