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A simple command line to download a remote maven2 artifact to the local repository?

I have a library that I distribute using maven 2. The typical user of this library doesn't use maven to build their applications, but is likely somewhat familiar with maven and probably has it installed. ...
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Python Pandas merge only certain columns

Is it possible to only merge some columns? I have a DataFrame df1 with columns x, y, z, and df2 with columns x, a ,b, c, d, e, f, etc. ...
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how to customize `show processlist` in mysql?

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How to change a DIV padding without affecting the width/height ?

I have a div that I want to specify a FIXED width and height for, and also a padding which can be changed without decreasing the original DIV width/height or increasing it, is there a CSS trick for that, or an alternative using padding? ...
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handlerbars.js check if list is empty

Is there a way in Handlebars.js templating to check if the collection or list is null or empty, before going and iterating through the list/collection? ...
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onIabPurchaseFinished never called.

...p in-app billing for my first app, and have been using the android.test.purchased sku. The purchase come through, and I manage to get the SKU into my inventory, but, as the title says, onIabPurchaseFinished, is never called. ...
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Bash script processing limited number of commands in parallel

I have a bash script that looks like this: 4 Answers 4 ...
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AngularJS - difference between pristine/dirty and touched/untouched

AngularJS Developer Guide - Forms tell there are many styles and directives regarding forms and fields. For each one, a CSS class: ...
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Is the 'override' keyword just a check for a overridden virtual method?

As far as I understand, the introduction of override keyword in C++11 is nothing more than a check to make sure that the function being implemented is the override ing of a virtual function in the base class. ...
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How to escape a single quote inside awk

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