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WPF and initial focus

...ew TraversalRequest(FocusNavigationDirection.First)); This will automatically select the first control in the tab order, so it's a general solution that should be able to be dropped into any window and Just Work. share ...
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Array.push() if does not exist?

... it doesn't then just push the item into the array: var newItem = "NEW_ITEM_TO_ARRAY"; var array = ["OLD_ITEM_1", "OLD_ITEM_2"]; array.indexOf(newItem) === -1 ? array.push(newItem) : console.log("This item already exists"); console.log(array) ...
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How can I remove all my changes in my SVN working directory?

...ctory, and it shows in svn status . But is there any way for me to remove all my changes in there and just get everything from the trunk using the command line? ...
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What is process.env.PORT in Node.js?

...t may independently configure the process.env.PORT variable for you; after all, your script runs in their environment. Amazon's Elastic Beanstalk does this. If you try to set a static port value like 3000 instead of process.env.PORT || 3000 where 3000 is your static setting, then your application w...
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UnicodeEncodeError: 'latin-1' codec can't encode character

...following commands right after you've etablished the connection: db.set_character_set('utf8') dbc.execute('SET NAMES utf8;') dbc.execute('SET CHARACTER SET utf8;') dbc.execute('SET character_set_connection=utf8;') "db" is the result of MySQLdb.connect(), and "dbc" is the result of db.curs...
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Post JSON using Python Requests

...ost('http://httpbin.org/post', json={"key": "value"}) >>> r.status_code 200 >>> r.json() {'args': {}, 'data': '{"key": "value"}', 'files': {}, 'form': {}, 'headers': {'Accept': '*/*', 'Accept-Encoding': 'gzip, deflate', 'Connection': 'close', ...
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Loading cross-domain endpoint with AJAX

... API URL. (Supports https: see github repository) If you want to automatically enable cross-domain requests when needed, use the following snippet: $.ajaxPrefilter( function (options) { if (options.crossDomain && jQuery.support.cors) { var http = (window.location.protocol === 'http:'...
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How to automatically convert strongly typed enum into int?

The a::LOCAL_A is what the strongly typed enum is trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast. ...
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How to read all files in a folder from Java?

How to read all the files in a folder through Java? 31 Answers 31 ...
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How to add items to a spinner in Android?

... While this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. – Bill the Lizard Jan 26 '12 at 21:00 ...