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How to copy Docker images from one host to another without using a repository
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I used the image id instead of the name:tag Now I'm sitting here, loaded the image and have a <none> for REPOSITORY and TAG. What is the right way to bring the name and tag back? @wisbucky
– Ulfhetnar
Jan 10 '18 at 7:37
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javac : command not found
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I don't know exactly what yum install java will actually install. But to check for javac existence do:
> updatedb
> locate javac
preferably as root. If it's not there you've probably only installed the Java runtime (JRE) and ...
How to iterate through all git branches using bash script
...is old, but the Git folks have finally addressed the problem: for-each-ref now supports all the branch selectors like --merged and git branch and git tag are now actually implemented in terms of git for-each-ref itself, at least for the list-existing cases. (Creating new branches and tags is not, an...
navigator.geolocation.getCurrentPosition sometimes works sometimes doesn't
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@sajith - Not sure if this solution is now outdated with recent FF browsers. It worked at the time I provided the solution because I needed it for a site I was working on. Have you tested?
– going
Nov 7 '12 at 21:55
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How to use Git and Dropbox together effectively?
...le can just shout over their cubicle walls: "Hey! Nobody push! I'm pushing now!".
– Ates Goral
Sep 13 '10 at 20:04
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What is the difference between static func and class func in Swift?
...al. For more information. See nextD's answer below. Also x.dynamicType has now been replaced with type(of:x)
– Honey
Jan 16 '17 at 2:54
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Is System.nanoTime() completely useless?
...s System.nanoTime() returns the time value using a CPU specific counter. Now consider the following case I use to measure time of a call:
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type object 'datetime.datetime' has no attribute 'datetime'
...python 3.3
from datetime import datetime, timedelta
futuredate = datetime.now() + timedelta(days=10)
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Convert character to ASCII numeric value in java
...; // This gives the character 'a'
int ascii = (int) character; // ascii is now 97.
Though cast is not required explicitly, but its improves readability.
int ascii = character; // Even this will do the trick.
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Convert System.Drawing.Color to RGB and Hex Value
...g it may have some problem and need your kind advice. In addition, I dont know whether there is any existing method to do the same.
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