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ReactJS Two components communicating

...te is also increasing in complexity, as we need to manage active routes, selected tabs, spinners, pagination controls, and so on. Managing this ever-changing state is hard. If a model can update another model, then a view can update a model, which updates another model, and this, in tur...
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Use jQuery to get the file input's selected filename without the path

... your HTML do: <input type="file" name="Att_AttributeID" onchange="fileSelect(event)" class="inputField" /> Then in your js file create a simple function: function fileSelect(id, e){ console.log(e.target.files[0].name); } If you're doing multiple files, you should also be able to get...
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Use '=' or LIKE to compare strings in SQL?

... To see the performance difference, try this: SELECT count(*) FROM master..sysobjects as A JOIN tempdb..sysobjects as B on A.name = B.name SELECT count(*) FROM master..sysobjects as A JOIN tempdb..sysobjects as B on A.name LIKE B.name Comparing strings with '=' is muc...
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Best way to do nested case statement logic in SQL Server

... You could try some sort of COALESCE trick, eg: SELECT COALESCE( CASE WHEN condition1 THEN calculation1 ELSE NULL END, CASE WHEN condition2 THEN calculation2 ELSE NULL END, etc... ) share ...
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SQL Server 2008 can't login with newly created user

...ick on SQL Server instance at root of Object Explorer, click on Properties Select Security from the left pane. Select the SQL Server and Windows Authentication mode radio button, and click OK. Right-click on the SQL Server instance, select Restart (alternatively, open up Services and restart the ...
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JavaScript get clipboard data on paste event (Cross browser)

...vent using a keypress event handler In that handler, save the current user selection, add a textarea element off-screen (say at left -1000px) to the document, turn designMode off and call focus() on the textarea, thus moving the caret and effectively redirecting the paste Set a very brief timer (say...
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How to change Xcode Project name

... For Xcode 4 or later: Open a project Select Project Navigator Highlight project name Single click on project name For Xcode 3: Open a project > Menu > Project > Rename ... ...
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ListView item background via custom selector

...t possible to apply a custom background to each Listview item via the list selector? 10 Answers ...
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Find nearest latitude/longitude with an SQL query

... SELECT latitude, longitude, SQRT( POW(69.1 * (latitude - [startlat]), 2) + POW(69.1 * ([startlng] - longitude) * COS(latitude / 57.3), 2)) AS distance FROM TableName HAVING distance < 25 ORDER BY distance; where ...
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Code formatting shortcuts in Android Studio for Operation Systems

...System Settings → Keyboard → Shortcuts tab → System → Lock Screen. Select the row New Accelerator..., then press any special key with the Alpha key (e.g. Shift + L). You should've successfully changed the keyboard shortcut. Check if the keyboard shortcut now works in Android Studio. Altern...