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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue

....30, 1.36, 1.42, 1.48, 1.54, 1.60, 1.66, 1.72, 1.78, 1.84, 1.90, 1.96, 2.0, 2.12, 2.25, 2.37, 2.50, 2.62, 2.75, 2.87, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0, 4.3, 4.7, 4.9, 5.0, 5.5, 6.0, 6.5, 6.8, 7.0, 7.3, 7.5, 7.8, 8.0, 8.4, 8.7, 9.0, 9.4, 9.6, 9.8, 10.0 }; /**...
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What is the difference between require and require-dev sections in composer.json?

...g info etc Some good candidates for require-dev are : "filp/whoops": "^2.0", "fzaninotto/faker": "^1.4", "mockery/mockery": "^1.0", "nunomaduro/collision": "^2.0", "phpunit/phpunit": "^7.0" you can see what above packages are doing and you will see why you don't need them on production. See m...
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How to delete an element from an array in C#

...Where(val => val != numToRemove).ToArray(); Non-LINQ: (.NET Framework 2.0) static bool isNotFour(int n) { return n != 4; } int[] numbers = { 1, 3, 4, 9, 2 }; numbers = Array.FindAll(numbers, isNotFour).ToArray(); If you want to remove just the first instance: LINQ: (.NET Framework 3.5)...
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Maximum number of threads in a .NET app?

...64-bit environment) 250 per core in Framework 3.5 25 per core in Framework 2.0 (These numbers may vary depending upon the hardware and OS)] share | improve this answer | fo...
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Getting “cannot find Symbol” in Java project in Intellij

...right before I ran this maven command: mvn com.zenjava:javafx-maven-plugin:2.0:fix-classpath. It's meant to move the javafx jar from the libs directory to the ext directory for the current JDK. I found it here. – nihilon Mar 20 '15 at 13:32 ...
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What does the tilde (~) mean in my composer.json file?

...de means next significant release. In your case, it is equivalent to >= 2.0, < 3.0. The full explanation is at Tilde Version Range docs page: The ~ operator is best explained by example: ~1.2 is equivalent to >=1.2 <2.0.0, while ~1.2.3 is equivalent to >=1.2.3 <1.3.0. Ano...
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Generate colors between red and green for a power meter?

... color2.x * factor_color2 + color3.x * factor_color3) * 2.0f; color.y = (color1.y * factor_color1 + color2.y * factor_color2 + color3.y * factor_color3) * 2.0f; color.z = (color1.z * factor_color1 + color2.z * factor_color2 + ...
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WebSockets protocol vs HTTP

...rotocol to achieve better performance and lower latency such as SPDY, HTTP 2.0 and QUIC. This will improve the situation for normal HTTP requests, but it is likely that WebSockets and/or WebRTC DataChannel will still have lower latency for client to server data transfer than HTTP protocol (or it wil...
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Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets

...AndImageWithSpacing:(CGFloat)spacing { CGFloat insetAmount = spacing / 2.0; self.imageEdgeInsets = UIEdgeInsetsMake(0, -insetAmount, 0, insetAmount); self.titleEdgeInsets = UIEdgeInsetsMake(0, insetAmount, 0, -insetAmount); } @end But wait, you say, when I do that, I get this: Oh y...
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Is there any difference between “foo is None” and “foo == None”?

...eq__() method. It doesn't cares about identity. In [102]: x, y, z = 2, 2, 2.0 In [103]: id(x), id(y), id(z) Out[103]: (38641984, 38641984, 48420880) In [104]: x is y Out[104]: True In [105]: x == y Out[105]: True In [106]: x is z Out[106]: False In [107]: x == z Out[107]: True None is a sing...