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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass

I'm new to android and I'm trying to understand the difference between getApplication() , getApplicationContext( ), getBaseContext() , getContext() and someClass.this and especially when to use the these methods in the following code lines: ...
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What is the Scala identifier “implicitly”?

I have seen a function named implicitly used in Scala examples. What is it, and how is it used? 3 Answers ...
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Convert timestamp to date in MySQL query

I want to convert a timestamp in MySQL to a date. 10 Answers 10 ...
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How to export plots from matplotlib with transparent background?

I am using matplotlib to make some graphs and unfortunately I cannot export them without the white background. 2 Answers ...
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Get “Internal error in the expression evaluator” on “Add watch” function when trying to debug WCF se

Few days ago I moved my solution to MSVS 2013. It works fine except one thing: when I trying to debug code of my WCF service it works, but when I want to watch state of any variable it says: "Internal error in the expression evaluator". Add watch function works normal on client side, but in service...
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Why git keeps showing my changes when I switch branches (modified,added, deleted files) no matter if

I'm really new to git and I've been trying to understand why git keeps showing whatever I changed in one branch in another branch when I run git checkout to switch between branches First I tried not using git add and didn't work. However, I tried then using git add, but didn't fix the problem. I'm n...
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What is the difference between the hidden attribute (HTML5) and the display:none rule (CSS)?

HTML5 has a new global attribute, hidden , which can be used to hide content. 1 Answer ...
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Limit labels number on Chart.js line chart

I want to display all of the points on my chart from the data I get, but I don't want to display all the labels for them, because then the chart is not very readable. I was looking for it in the docs, but couldn't find any parameter that would limit this. ...
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XPath: select text node

Having the following XML: 2 Answers 2 ...
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Remove textarea inner shadow on Mobile Safari (iPhone)

By default, it seems Mobile Safari adds the top inner shadow to all input fields, including textarea. Is there a way to remove it? ...