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Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala

...me first serve. If you run sc.makeRDD(0 to 9, 2).mapPartitions(it => { java.lang.Thread.sleep(new java.util.Random().nextInt(1000)); it } ).map(_.toString).fold("")(_ + _) with 2+ cores several times, I think you will see it produces random (partition-wise) order. I've updated my answer accordin...
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Gradle store on local file system

...ee where Gradle has cached artifacts with a simple script: apply plugin: 'java' repositories{ mavenCentral() } dependencies{ compile 'com.google.guava:guava:12.0' } task showMeCache << { configurations.compile.each { println it } } Now if you run gradle showMeCache it should downlo...
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Android dismiss keyboard

...nputMethodManager } val windowHeightMethod = InputMethodManager::class.java.getMethod("getInputMethodWindowVisibleHeight") val height = windowHeightMethod.invoke(imm) as Int if (height > 0) { imm.toggleSoftInput(InputMethodManager.HIDE_IMPLICIT_ONLY, 0) } } ...
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How to tell git to ignore individual lines, i.e. gitignore for specific lines of code [duplicate]

... I had a similar issue writing java code. My solution was to markup code that I didn't want to commit and then add a pre-commit hook that would look for my markup: #!/bin/bash # # This hook will look for code comments marked '//no-commit' # - case-ins...
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How do I redirect to the previous action in ASP.NET MVC?

... In Mvc using plain html in View Page with java script onclick <input type="button" value="GO BACK" class="btn btn-primary" onclick="location.href='@Request.UrlReferrer'" /> This works great. hope helps someone. @JuanPieterse has already answered using @Ht...
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How to make the division of 2 ints produce a float instead of another int?

...ill be a floating point operation, even if the other operand is integral. Java Language Specification, §4.2.4 and §15.17 share | improve this answer | follow ...
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How to prevent open last projects when intellij idea start

...an use the search functionality to find it easier. – Java Devil May 12 '15 at 23:39 Settings is also renamed as Prefer...
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PhoneGap Eclipse Issue - eglCodecCommon glUtilsParamSize: unknow param errors

... I have 2 project (both native android java projects, not PhoneGap), and I run them in the same emulator. One of them has the logcat full of these, the other has none... Any idea? – Gavriel Feb 29 '16 at 20:11 ...
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How do I change the background color with JavaScript?

...nyone know a simple method to swap the background color of a webpage using JavaScript? 19 Answers ...
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Android: Align button to bottom-right of screen using FrameLayout?

... If you want to try with java code. Here you go - final LayoutParams params = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT); yourView.setLayoutParams(params); params....