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POST data to a URL in PHP

... If you're looking to post data to a URL from PHP code itself (without using an html form) it can be done with curl. It will look like this: $url = 'http://www.someurl.com'; $myvars = 'myvar1=' . $myvar1 . '&myvar2=' . $myvar2; $ch = curl_init( $url ); curl_s...
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How to install multiple python packages at once using pip

... as a space-delimited list, e.g.: pip install wsgiref boto For installing from a text file, then, from pip install --help: -r FILENAME, --requirement=FILENAME Install all the packages listed in the given requirements file. This option can be used multiple times. Take a look at the pip documentat...
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Return a “NULL” object if search result not found

...ava, if I had class with a 'search' method that would return an object T from a Collection< T > that matched a specific parameter, I would return that object and if the object was not found in the collection, I would return null . Then in my calling function I would just check if(tResult...
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How to use sed/grep to extract text between two words?

...e occurrences of Here and string, you can choose whether you want to match from the first Here and last string or match them individually. In terms of regex, it is called as greedy match (first case) or non-greedy match (second case) $ echo 'Here is a string, and Here is another string.' | grep -oP...
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JSON.NET Error Self referencing loop detected for type

I tried to serialize POCO class that was automatically generated from Entity Data Model .edmx and when I used 25 Answers ...
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How to print to console using swift playground?

...ing that writes to the console, including Swift's print statement (renamed from println in Swift 2 beta) shows up there. In earlier Xcode 6 versions (which by now you probably should be upgrading from anyway), show the Assistant editor (e.g. by clicking the little circle next to a bit in the output...
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Check if a given key already exists in a dictionary and increment it

...are looking for collections.defaultdict (available for Python 2.5+). This from collections import defaultdict my_dict = defaultdict(int) my_dict[key] += 1 will do what you want. For regular Python dicts, if there is no value for a given key, you will not get None when accessing the dict -- a Ke...
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How can I tell when HttpClient has timed out?

...ient() { BaseAddress = new Uri(baseAddress), Timeout = TimeSpan.FromMilliseconds(1) }; try { var s = await client.GetAsync(); } catch(Exception e) { Console.WriteLine(e.Message); Console.WriteLine(e.InnerException.Message); } ...
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Object of custom type as dictionary key

...329: are you trying to use some blender data structure as keys? Apparently from some repos certain objects require you to "freeze" them first to avoid mutability (mutating a value-based object that has been used as a key in a python dictionary is not permitted) – 6502 ...
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What approaches are available to dummy design-time data in WPF?

...crosoft.com/expression/blend/2008" Reference your design time data context from code. <Grid d:DataContext="{d:DesignInstance Type=ViewModels:MockXViewModel, IsDesignTimeCreatable=True}" ... share | ...