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MySQL - Make an existing Field Unique

...eady existing table with a field that should be unique but is not. I only know this because an entry was made into the table that had the same value as another, already existing, entry and this caused problems. ...
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GridLayout and Row/Column Span Woe

... Starting from API 21, the GridLayout now supports the weight like LinearLayout. For details please see the link below: https://stackoverflow.com/a/31089200/1296944 share | ...
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Are there any style options for the HTML5 Date picker?

I am really stoked about the HTML5 date picker. It is refreshing to know that the W3C is finally picking up some of the slack so we don't have to keep re-inventing such a common form of input. ...
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Remove characters after specific character in string, then remove substring?

...); What this does is, takes everything before the $ char and removes it. Now if you want to remove the items after a character, just change the +1 to a -1 and you are set! But for a URL, I would use the built in .NET class to take of that. ...
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How do I execute code AFTER a form has loaded?

...ad... string newText = ExpensiveMethod(); // perhaps a DB/web call // now ask the UI thread to update itself this.Invoke((MethodInvoker) delegate { // this code runs on the UI thread! this.Text = newText; }); } It does this by pushing a message onto the windows message queue; ...
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Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?

...rly how they are implemented and what are their return values in order to know in which situation I have to use them. 2 Ans...
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What does FrameLayout do?

... screen. Your explanation made the 3D nature of "on top" click for me and now I get it. Thank you very much :) – Slartibartfast Apr 6 '18 at 5:47 1 ...
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Watermark / hint text / placeholder TextBox

...(new Rect(finalSize)); return finalSize; } #endregion } Now you can put a watermark on any TextBox like this: <AdornerDecorator> <TextBox x:Name="SearchTextBox"> <controls:WatermarkService.Watermark> <TextBlock>Type here to search text&lt...
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jQuery table sort

... I know this is an old thread but this answer still applies. Probably the easiest plugin I have ever used. Took 5 min to get it up and sorting my table. Thank you! – Trucktech Nov 24 '15 at ...
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Why are variables “i” and “j” used for counters?

I know this might seem like an absolutely silly question to ask, yet I am too curious not to ask... 23 Answers ...