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Add Keypair to existing EC2 instance
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can you tell us a step-by-step guide for this (or point to it). In my case, I have an existing running instance and need to log in to it from a remote location, where I dont have the private key.
– Jus12
Dec 1...
How do I delete everything in Redis?
...ted Aug 30 '19 at 20:13
MultiplyByZer0
3,73333 gold badges2727 silver badges4646 bronze badges
answered Jul 27 '11 at 22:17
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What is the difference between mocking and spying when using Mockito?
... which isn't injected into it (but locally initialized), and is later used by the "real" method; in the mock, the member will be initialized to its default Java value, which might cause wrong behavior or even a NullPointerException. The way to pass this is to add an "init" method and then "really" c...
Is there a format code shortcut for Visual Studio?
...y to be using the C# keyboard mapping scheme, which will use these hotkeys by default:
Ctrl+E, Ctrl+D to format the entire document.
Ctrl+E, Ctrl+F to format the selection.
You can change these in menu Tools → Options → Environment → Keyboard (either by selecting a different "keyboard mapping ...
How to exit a function in bash
...auses a function or sourced script to exit with the return value
specified by N. If N is omitted, the return status is that of the
last command executed within the function or script.
Exit Status:
Returns N, or failure if the shell is not executing a function or script.
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Return type of '?:' (ternary conditional operator)
... memory. Can you explain this in more simple term? . Also what do you mean by type and value *category*?. Thanks
– Mr.Anubis
Apr 4 '12 at 7:19
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How to print matched regex pattern using awk?
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ask awk to search for pattern using //, then print out the line, which by default is called a record, denoted by $0. At least read up the documentation.
If you only want to get print out the matched word.
awk '{for(i=1;i<=NF;i++){ if($i=="yyy"){print $i} } }' file
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Difference between System.DateTime.Now and System.DateTime.Today
...03 01:00:00 mean? There are two moments of instantaneous time represented by this same calendar datetime. If I were to send this value to someone else, they would have no idea which one I meant. Especially if they are in a time zone where the rules are different.
The best thing you could do woul...
Usage of sys.stdout.flush() method
...er. And we will see the output on screen when buffer get flushed(cleared). By default buffer will be flushed when program exits. BUT WE CAN ALSO FLUSH THE BUFFER MANUALLY by using "sys.stdout.flush()" statement in the program. In the below code buffer will be flushed when value of i reaches 5.
You ...
Loop through properties in JavaScript object with Lodash
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using lodash and not this is justified only by not needing the annoying hasOwnProperty check
– Mugen
Nov 9 '19 at 16:37
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