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Create folder with batch but only if it doesn't already exist

... @jpmc26 You are right, a trailing slash does the job and is actually preferable since it works with quotes (thus allowing you to have spaces in the directory path). To distinguish between either file/directory, this will work: if exist "a" if not exist "a\" (echo "it's a file") else (echo...
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'UserControl' constructor with parameters in C#

Call me crazy, but I'm the type of guy that likes constructors with parameters (if needed), as opposed to a constructor with no parameters followed by setting properties. My thought process: if the properties are required to actually construct the object, they should go in the constructor. I get two...
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Globally catch exceptions in a WPF application?

...ication where parts of it may throw exceptions at runtime. I'd like to globally catch any unhandled exception and log them, but otherwise continue program execution as if nothing happened (kinda like VB's On Error Resume Next ). ...
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Add a new item to a dictionary in Python [duplicate]

... default_data['item3'] = 3 Easy as py. Another possible solution: default_data.update({'item3': 3}) which is nice if you want to insert multiple items at once. ...
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Rails: Open link in new tab (with 'link_to')

... The target: :_blank parameter should be a parameter of link_to, whereas you put it in image_tag parameters. Modify your code like this: <%= link_to image_tag("facebook.png", class: :facebook_icon, alt: "Facebook"), "http://www.facebo...
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Does Go have “if x in” construct similar to Python?

...ion without separate methods for every single type – Allen May 13 '15 at 4:33 29 It could be done...
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How can I add or update a query string parameter?

... @JarónBarends - Tweak value check to check against undefined and null to allow setting 0 values Third Update There was a bug where removing a querystring variable directly before a hashtag would lose the hashtag symbol which has been fixed Fourth Update Thanks @rooby for pointing out a regex o...
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Visual Studio immediate window command for Clear All

... you can use >cls, which is a predefined command alias to >Edit.ClearAll. The MSDN article lists all predefined aliases and you can define your own, too. (For VS 2010 and earlier, custom aliases are described in a separate article, though.) Scanning through, there's a whole slew of them, some...
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Java FileReader encoding issue

...to a string, but I found the result is wrongly encoded and not readable at all. 6 Answers ...
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How to POST JSON Data With PHP cURL?

...re indicating Content-Type:application/json, but you are not json-encoding all of the POST data -- only the value of the "customer" POST field. Instead, do something like this: $ch = curl_init( $url ); # Setup request to send json via POST. $payload = json_encode( array( "customer"=> $data ) );...