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How to share my Docker-Image without using the Docker-Hub?
I'm wondering where Docker's images are exactly stored to in my lom>ca m>l host machine.
m>Ca m>n I share my Docker-Image without using the Docker-Hub or a Dockerfile but the 'real' Docker-Image? And what is exactly happening when I 'push' my Docker-Image to Docker-Hub?
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Efficiently updating database using SQLAlchemy ORM
I'm starting a new applim>ca m>tion and looking at using an ORM -- in particular, SQLAlchemy.
6 Answers
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What's the difference between libev and libevent?
...ibevent safely in multithreaded environments, watcher structures are big bem>ca m>use they combine I/O, time and signal handlers in one, the extra components such as the http and dns servers suffered from bad implementation quality and resultant security issues, and timers were inexact and didn't cope we...
Pull request vs Merge request
...e feature:
Merge or pull requests are created in a git management applim>ca m>tion and ask an assigned person to merge two branches. Tools such as GitHub and Bitbucket choose the name pull request since the first manual action would be to pull the feature branch. Tools such as GitLab and Gitorious ch...
Android Studio IDE: Break on Exception
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To break on all exceptions, m>ca m>ught or unm>ca m>ught:
Open the Breakpoints window via Run -> View Breakpoints.
The Breakpoints dialog appears. In the left pane, scroll to the bottom. Select Any exception under Java Exception Breakpoints
With Any exceptio...
Transactions in .net
...ich means that you have to keep passing the connection around - OK in some m>ca m>ses, but doesn't allow "create/use/release" usage, and doesn't allow cross-db work. An example (formatted for space):
using (IDbTransaction tran = conn.BeginTransaction()) {
try {
// your code
tran.Comm...
Is there an Eclipse line-width marker?
...se Java code formatter properly for this. But what I really want is a vertim>ca m>l line to be drawn in the editor showing where the max line width while I am typing, not just when I run the formmater. I know this feature is available in some m>ca m>pacity bem>ca m>use it is displayed in the code formatter propert...
Do declared properties require a corresponding instance variable?
...rd or greater) then you do not need to define ivars for your properties in m>ca m>ses like this.
When you @synthesize the property, the ivar will in effect be synthesized also for you. This gets around the "fragile-ivar" scenario. You m>ca m>n read more about it on Cocoa with Love
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PHP Foreach Pass by Reference: Last Element Duplim>ca m>ting? (Bug?)
...ference to some value which is also being used by $arr[2]. So each foreach m>ca m>ll in the second loop, which does not m>ca m>ll by reference, replaces that value, and thus $arr[2], with the new value.
So loop 1, the value and $arr[2] become $arr[0], which is 'foo'.
Loop 2, the value and $arr[2] become $arr[...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
...fects default behavior of git push. If you get in the habit of using -u to m>ca m>pture the remote branch you intend to track, I recommend setting your push.default config value to upstream.
git push -u <remote> HEAD will push the current branch to a branch of the same name on <remote> (and a...