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Could not open a connection to your authentication agent
...ead of just ssh-agent?
To find out why, see Robin Green's answer.
Public vs Private Keys
Also, whenever I use ssh-add, I always add private keys to it. The file ~/.ssh/id_rsa.pub looks like a public key, I'm not sure if that will work. Do you have a ~/.ssh/id_rsa file? If you open it in a text e...
new keyword in method signature
...hanges NO behavior, and it is PURELY there for readability.
That's why in VS you will see a little squiggly, yet your code will compile and run perfectly fine and as expected.
One has to wonder if it was really worth creating the new keyword when all it means is the developer's acknowledging "Yes,...
Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la
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From danielmiessler.com/study/url_vs_uri: "a URL is a type of URI. So if someone tells you that a URL is not a URI, he’s wrong. But that doesn’t mean all URIs are URLs. All butterflies fly, but not everything that flies is a butterfly. The part that makes...
How to normalize a path in PowerShell?
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What if your path is C:\Windows vs C:\Windows\ the same path but two different results
– Joe Phillips
May 25 '12 at 17:01
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Css pseudo classes input:not(disabled)not:[type=“submit”]:focus
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Is there any difference between using :not([disabled]) VS. :not(:disabled) ?
– bubencode
Jan 22 '19 at 7:40
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What is the difference between compare() and compareTo()?
...).
Summary from http://www.digizol.com/2008/07/java-sorting-comparator-vs-comparable.html
Comparable
A comparable object is capable of comparing itself with another object.
Comparator
A comparator object is capable of comparing two different objects. The class is not comparing its instances, b...
How to colorize diff on the command line?
...bs don't get their background set, at least in my xterm. It does make tab vs space changes stand out a bit though.
Why is it Valid to Concatenate Null Strings but not to Call “null.ToString()”?
...ethod on a null object, so I'm guessing no. Think of it as null.ToString() vs ToString(null).
– Svish
May 30 '12 at 14:31
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jQuery $(document).ready and UpdatePanels?
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community wiki
14 revs, 2 users 99%Dan Herbert
1
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Representing null in JSON
...ts. Don't forget there there is sometimes distinction between null/default vs. "not present".
Check out null object pattern - sometimes it is better to pass some special object instead of null (i.e. [] array instead of null for arrays or "" for strings).
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