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What do hjust and vjust do when making a plot using ggplot?

... I have tried that, and I get Error in grid.Call("L_textBounds", as.graphicsAnnot(x$label), x$x, x$y, : Polygon edge not found (zero-width or zero-height?) for vjust = .72 and higher. – William Gunn Sep 3 '11 at 0:48 ...
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Why is good UI design so hard for some Developers? [closed]

... just have a hard time with the softer aspects of UI design ( myself especially ). Are "back-end coders" doomed to only design business logic and data layers? Is there something we can do to retrain our brain to be more effective at designing pleasing and useful presentation layers? ...
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How to timeout a thread

... SSCCE: package com.stackoverflow.q2275443; import java.util.concurrent.Callable; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.Future; import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeoutException; public clas...
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How to add Options Menu to Fragment in Android

... Call the super method: Java: @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setHasOptionsMenu(true); } @Override public void onCreateOptio...
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MongoDB: How to query for records where field is null or not set?

...ount({sent_at: {$exists: false}}) If its there and null, or not there at all: db.emails.count({sent_at: null}) Refer here for querying and null share | improve this answer | ...
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How do I pass an object from one activity to another on Android? [duplicate]

...tom classes across activities. I have found this very useful. Here is a small snippet of code I am using CustomListing currentListing = new CustomListing(); Intent i = new Intent(); Bundle b = new Bundle(); b.putParcelable(Constants.CUSTOM_LISTING, currentListing); i.putExtras(b); i.setClass(this,...
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What does the exclamation mark do before the function?

...s just a function declaration. You would need an invocation, foo(), to actually run the function. Now, when we add the seemingly innocuous exclamation mark: !function foo() {} it turns it into an expression. It is now a function expression. The ! alone doesn't invoke the function, of course, but w...
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How to create a dialog with “yes” and “no” options?

...note: you can put a return inside the else and then you don't need to wrap all of your code in the confirm! (case by case fix though) – Jacob Raccuia Sep 2 '14 at 14:54 22 ...
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How to unsubscribe to a broadcast event in angularJS. How to remove function registered via $on

... You need to store the returned function and call it to unsubscribe from the event. var deregisterListener = $scope.$on("onViewUpdated", callMe); deregisterListener (); // this will deregister that listener This is found in the source code :) at least in 1.0.4. I'll j...
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How do I declare a namespace in JavaScript?

... This does not create a closure for your code - it makes it tedious to call your other functions because they always have to look like: yourNamespace.bar(); I made an open source project JUST to address this design problem: github.com/mckoss/namespace. – mckoss ...