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How to copy Docker images from one host to another without using a repository
...add filename (not just directory) with -o, for example:
docker save -o c:/myfile.tar centos:16
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How to remove a file from the index in git?
...lot of people use the index all the time. I don't. Here's how:
Commit my entire working copy (the typical case): git commit -a
Commit just a few files: git commit (list of files)
Commit all but a few modified files: git commit -a then amend via git gui
Graphically review all changes to working ...
Change “on” color of a Switch
...e the color of your components.
values/themes.xml:
<style name="Theme.MyTheme" parent="Theme.AppCompat.Light">
<!-- colorPrimary is used for the default action bar background -->
<item name="colorPrimary">@color/my_awesome_color</item>
<!-- colorPrimaryDark ...
Difference between array_map, array_walk and array_filter
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Couldn't figure out why my array values disappeared. Looking at documentation I assumed array_walk returned an array like array_map and figured the issue was in my function. Didn't realize until I saw this that the return type is boolean.
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Change URL parameters
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I can't seem to get this to work. Here is my code: jsfiddle.net/Draven/tTPYL/1 The URL would look like http://www.domain.com/index.php?action=my_action&view-all=Yes and I need to change the "view-all" value. My SO question that was closed: stackoverflow.com/que...
Chrome doesn't delete session cookies
...e: you can encounter the exact same issue in Firefox if you have the "Show my windows and tabs from last time" selection for the "When Firefox starts" pulldown in options. For the same reason. By design, session cookies are being retained to help keep workflow in the event of a browser crash.
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optional local variables in rails partial templates: how do I get out of the (defined? foo) mess?
I've been a bad kid and used the following syntax in my partial templates to set default values for local variables if a value wasn't explicitly defined in the :locals hash when rendering the partial --
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How to add manifest permission to an application?
...ou do not have permissions set from your LogCat error description, here is my contents for my AndroidManifest.xml file that has access to the internet:
<manifest xlmns:android...>
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<uses-permission android:name="android.permission.INTERNET" />
<application ...
</manifest>...
Easiest way to copy a single file from host to Vagrant guest?
I have a use case where I occasionally want to copy a single file from my host machine to the Vagrant guest.
18 Answers
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Reuse Cucumber steps
...so:
Background:
Given I log in with valid credentials
Scenario: Change my password
Given I am on the account page
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