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LEFT JOIN only first row

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How do PHP sessions work? (not “how are they used?”)

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How to print without newline or space?

...at this link by Guido Van Rossum: Re: How does one print without a c/r ? http://legacy.python.org/search/hypermail/python-1992/0115.html Is it possible to print something but not automatically have a carriage return appended to it ? Yes, append a comma after the last argument to print. For...
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How to check if two arrays are equal with JavaScript? [duplicate]

...owever if we extend this to Sets, we run into the tree isomorphism problem http://logic.pdmi.ras.ru/~smal/files/smal_jass08_slides.pdf - fortunately it's not as hard as general graph isomorphism; there is in fact an O(#vertices) algorithm to solve it, but it can get very complicated to do it efficie...
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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]

...ant to download a picture from an URL. URL url = new URL(user_image_url); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoInput(true); conn.connect(); InputStream is = conn.getInputStream(); bmImg = BitmapFactory.decodeStream(is); You must download the ima...
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How to get the list of all printers in computer

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Using sections in Editor/Display templates

...lt;object, HelperResult> template) { htmlHelper.ViewContext.HttpContext.Items["_script_" + Guid.NewGuid()] = template; return MvcHtmlString.Empty; } public static IHtmlString RenderScripts(this HtmlHelper htmlHelper) { foreach (object key in htmlHelper.Vie...
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How to validate a url in Python? (Malformed or not)

...rl validation regex (source): import re regex = re.compile( r'^(?:http|ftp)s?://' # http:// or https:// r'(?:(?:[A-Z0-9](?:[A-Z0-9-]{0,61}[A-Z0-9])?\.)+(?:[A-Z]{2,6}\.?|[A-Z0-9-]{2,}\.?)|' #domain... r'localhost|' #localhost... r'\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' ...
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How to read a file in reverse order?

...pport is also available for python3. Further documentation can be found at http://file-read-backwards.readthedocs.io/en/latest/readme.html share | improve this answer | follo...
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In Python script, how do I set PYTHONPATH?

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