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“Insert if not exists” statement in SQLite

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How do I calculate a point on a circle’s circumference?

... ctx.fill(); ctx.closePath(); } let angle = 0; // In degrees setInterval(function(){ const [ x, y ] = pointsOnCircle({ radius: 80, angle: angle++, cx: 100, cy: 100 }); console.log( x, y ); draw( x, y ); document.querySelector("#degrees").innerHTML = angle + "°"; ...
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How to determine if an NSDate is today?

...date components directly, if you get into a situation where you need to offset one of the components, you may get something like month == 3, day == 34. Converting to dates will correctly interpret this as April 3, comparing date components will not see this as the same as month == 4, day == 3. ...
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Overwrite or override

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Fetch first element which matches criteria

...vokaded in Train but i want to walk through all Stop elements of the SortedSet stops – user2147674 Apr 8 '14 at 14:54 2 ...
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Difference between JAX-WS, Axis2 and CXF

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ERROR ITMS-9000: “Redundant Binary Upload. There already exists a binary upload with build version '

...After I added one more decimal (eg. 1.5.1.0) it worked! Screen Shot of my settings: share | improve this answer | follow | ...
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DROP IF EXISTS VS DROP?

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How do you convert a JavaScript date to UTC?

...Y-MM-DDTHH:mm:ss.sssZ, respectively). The timezone is always zero UTC offset, as denoted by the suffix "Z". Source: MDN web docs The format you need is created with the .toISOString() method. For older browsers (ie8 and under), which don't natively support this method, the shim can be foun...
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How to get string width on Android?

...reat answer. By the way, the result will be more accurate if call textView.setTextSize(). – li2 Aug 6 '15 at 14:57 add a comment  |  ...