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What is the difference between save and export in Docker?
...o a live-CD.
A container "boots" the image and adds an additional layer on top of it. This layer stores any change on the container (created/changed/removed files...).
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What does android:layout_weight mean?
...ght, it can be bad for performance.
Extra
Here is the xml layout for the top image:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layou...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...
The top answer is flawed in my opinion. Hopefully, no one is mass importing all of pandas into their namespace with from pandas import *. Also, the map method should be reserved for those times when passing it a dictionary or Ser...
How do I update a GitHub forked repository?
... commits of yours that
# aren't already in upstream/master are replayed on top of that
# other branch:
git rebase upstream/master
If you don't want to rewrite the history of your master branch, (for example because other people may have cloned it) then you should replace the last command with git...
What is the right way to override a setter method in Ruby on Rails?
...tiveRecord ORM mapping.
Also keep in mind that the attr_accessible at the top of the model has nothing to do with accessors. It has a completely different functionlity (see this question)
But in pure Ruby, if you have defined accessors for a class and want to override the setter, you have to make ...
Insert Unicode character into JavaScript
... showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg cla...
Alternatives to JavaScript
...st wasn't very good. While Javascript was adding functionality and getting top rate debugging tools in other browsers (like FireBug) VBScript remained IE-only and pretty much un-debuggable (dev tools in IE4/5/6 were none existent). Meanwhile VBScript also expanded to become a pretty powerful scripti...
How to expire session due to inactivity in Django?
...ry helpful.
I was about to apply custom middleware into my code following top answer in here. But I was still little bit suspicious because best answer in here was edited in 2011. I took more time to search little bit from recent search result and came up with simple way.
SESSION_EXPIRE_AT_BROWSER...
I need to pop up and trash away a “middle” commit in my master branch. How can I do it?
...
This should have been the top answer!
– MadOgre
Aug 27 '17 at 21:17
N...
Which version of the git file will be finally used: LOCAL, BASE or REMOTE?
... >>>> and <<<<.
You can see the file names on the top of meld editing window.
See the screenshot here
You can edit the BASE file as you want with or without using meld commands.
You can also get rid of meld and just edit the file with your favorite text editor.
The c...