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Make absolute positioned div expand parent div height
... parent = document.getElementById("parent");
var childHeight = parseInt(window.getComputedStyle(child1).height) + "px";
child1.style.paddingTop = childHeight;
/* CSS */
#parent { position: relative; width: 100%; }
.child1 { width: auto; }
.child2 { width: 145px; position: absolute; top: 0p...
How to remove old Docker containers
...will remove all containers in an elegant way.
And by Bartosz Bilicki, for Windows:
FOR /f "tokens=*" %i IN ('docker ps -a -q') DO docker rm %i
For PowerShell:
docker rm @(docker ps -aq)
An update with Docker 1.13 (Q4 2016), credit to VonC (later in this thread):
docker system prune will de...
Why does instanceof return false for some literals?
...il in certain circumstances. There is an implicit reference to the current window in front of String and Boolean in the above example, so if you are testing the constructor property of a string variable created in another window (like a popup or frame) it will not be equal to simply String, it will ...
How to calculate percentage with a SQL statement
...
Instead of using a separate CTE to get the total, you can use a window function without the "partition by" clause.
If you are using:
count(*)
to get the count for a group, you can use:
sum(count(*)) over ()
to get the total count.
For example:
select Grade, 100. * count(*) / sum(...
How do I display an alert dialog on Android?
I want to display a dialog/popup window with a message to the user that shows "Are you sure you want to delete this entry?" with one button that says 'Delete'. When Delete is touched, it should delete that entry, otherwise nothing.
...
Why rename synthesized properties in iOS with leading underscores? [duplicate]
...
in the application didFinishLaunchingWithOptions: method the window and viewController ivars are referred to using self
No, they're not. Those are references to the properties window and viewController. That's the point of the underscore, to make it clearer when the property is being...
Debugging App When Launched by Push Notification
...tion"
Now when you click debug from Xcode instead of launching the app a window will display telling it is waiting for the app to launch. You then launch the app normally on the phone and Xcode attaches to it
share
...
How to force GitHub Pages build?
...ace yourrepo with your repository name.
3. Run the script:
If you use Windows 10:
You need to setup Windows Subsystem for Linux, if not already done. Follow this to do so.
Remove the first line (#!/bin/bash) from the script and save the script as RebuildPage.bat. (i.e., replace .sh with .bat ...
How Can I Download a File from EC2 [closed]
... to use CyberDuck. In the end all you need is an FTP client. If you are on Windows I would recommend you Filezilla.
What OS are you in?
Since you are in Ubuntu, try this:
Connect to a file server
+ In the file manager, click File ▸ Connect to Server.
Enter the server address, selec...
WARN Could not determine content-length of response body. Set content-length of the response or set
...
I second using thin instead of WEBrick. However. On Windows the install of the thin dependencies (more specifically the eventmachine) may be problematic. I use the following in my Gemfile to get a clean install of thin: gem 'eventmachine', '1.0.0.rc.4', :platforms => [:mswi...