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How to dynamically compose an OR query filter in Django?

...o: list = [1, 2, 3] # it gets a bit more complicated if we want to dynamically build # OR queries with dynamic/unknown db field keys, let's say with a list # of db fields that can change like the following # list_with_strings = ['dbfield1', 'dbfield2', 'dbfield3'] # init our q objects variable to ...
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Convert PDF to clean SVG? [closed]

...t they often lose the font data, but don't seem to approximate a good, installed font. How does PDF display it if SVG can't? – DanRedux Apr 23 '12 at 21:30 ...
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What is content-type and datatype in an AJAX request?

...le property with name "success" and value of true. I can't guess what your API's framework is, but in C# on ASP.NET MVC it would be something as simple as [HttpPost]public JsonResult user(Person postedPerson) { /* Save postedPerson to DB */ return Json(new { success = true }); } ...
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How to find the Number of CPU Cores via .NET/C#?

...sical processors Number of cores Number of logical processors. These can all be different; in the case of a machine with 2 dual-core hyper-threading-enabled processors, there are 2 physical processors, 4 cores, and 8 logical processors. The number of logical processors is available through the En...
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Is there any Rails function to check if a partial exists?

..., I'm using the following in my Rails 3/3.1 projects: lookup_context.find_all('posts/_form').any? The advantage over other solutions I've seen is that this will look in all view paths instead of just your rails root. This is important to me as I have a lot of rails engines. This also works in R...
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Execute the setInterval function without delay the first time

... It's simplest to just call the function yourself directly the first time: foo(); setInterval(foo, delay); However there are good reasons to avoid setInterval - in particular in some circumstances a whole load of setInterval events can arrive imm...
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WebAPI Delete not working - 405 Method Not Allowed

... need to use the id name because that's the name that is declared in my WebApiConfig file. Note the id name in the third and fourth lines: config.Routes.MapHttpRoute( name: "DefaultApi", routeTemplate: "api/{controller}/{id}", defaults: new { id = Rou...
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Logging in Scala

... (slf4j, log4j etc), but as of March 2015, the surviving log libraries are all slf4j. These log libraries provide some sort of log object to which you can call info(...), debug(...), etc. I'm not a big fan of slf4j, but it now seems to be the predominant logging framework. Here's the description of ...
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Render HTML to PDF in Django site

... Try the solution from Reportlab. Download it and install it as usual with python setup.py install You will also need to install the following modules: xhtml2pdf, html5lib, pypdf with easy_install. Here is an usage example: First define this function: import cStringIO as Str...
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Convert a PHP object to an associative array

...e Typecasting with (array) and (object) works reliably and the same across all versions since PHP 4.3. See 3v4l.org/X6lhm. If you get a syntax error, you did something wrong. – Gordon Nov 30 '15 at 10:26 ...