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When should I use Struct vs. OpenStruct?

In general, what are the advantages and disadvantages of using an OpenStruct as compared to a Struct? What type of general use-cases would fit each of these? ...
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Android - drawable with rounded corners at the top only

... Try giving these values: <corners android:topLeftRadius="6dp" android:topRightRadius="6dp" android:bottomLeftRadius="0.1dp" android:bottomRightRadius="0.1dp"/> Note that I have changed 0dp to 0.1dp. EDIT: See Aleks G comment below for a cleane...
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What does “Auto packing the repository for optimum performance” mean?

...I get this message: "Auto packing the repository for optimum performance", and it does not seem to go away and return the shell. ...
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Add margin above top ListView item (and below last) in Android

This is a pretty fine question about the layout of items in a ListView in Android. 5 Answers ...
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What would be an alternate to [TearDown] and [SetUp] in MSTest?

When I use MSTest Framework, and copy the code that Selenium IDE generated for me, MSTest doesn't recognize [TearDown] and [SetUp] . What is the alternative to this? ...
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Java Persistence / JPA: @Column vs @Basic

What is the difference between @Column and @Basic annotations in JPA? Can they be used together? Should they be used together? Or does one of them suffice? ...
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Asynchronous Process inside a javascript for loop [duplicate]

...ronous operations are started. When they complete some time in the future and call their callbacks, the value of your loop index variable i will be at its last value for all the callbacks. This is because the for loop does not wait for an asynchronous operation to complete before continuing on t...
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How do I vertically align something inside a span tag?

...ive web application. As a base I use the approach suggested by Eric Nickus and Felipe Tadeo. If you want to achieve: and this: .container { background: url( "https://i.imgur.com/tAlPtC4.jpg" ) no-repeat; display: inline-block; background-size: 40px 40px; /* image's size */...
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“Unable to find remote helper for 'https'” during git clone

...led when you compile git can cause this. If you install (lib)curl-devel, and then rebuild/install git, this should solve the problem: $ yum install curl-devel $ # cd to wherever the source for git is $ cd /usr/local/src/git-1.7.9 $ ./configure $ make $ make install This worked for me on Cento...
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Compare floats in php

...same value do not need to actually be identical. So if $a is a literal .17 and $b arrives there through a calculation it can well be that they are different, albeit both display the same value. Usually you never compare floating-point values for equality like this, you need to use a smallest accept...