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How to stop a JavaScript for loop?
...nd assigning something to `remData`... */
remIndex = -1; // Set a default if we don't find it
for (i = 0; i < remSize.length; i++) {
// I'm looking for the index i, when the condition is true
if (remSize[i].size === remData.size) {
remIndex = i;
break; /...
Removing all non-numeric characters from string in Python
...
Not sure if this is the most efficient way, but:
>>> ''.join(c for c in "abc123def456" if c.isdigit())
'123456'
The ''.join part means to combine all the resulting characters together without any characters in between. Th...
TypeScript, Looping through a dictionary
...ng indexed. Due to this being a bit of an improvised type, I was wondering if there any suggestions on how I would be able to loop through each key (or value, all I need the keys for anyway). Any help appreciated!
...
Best way to work with transactions in MS SQL Server Management Studio
... some T-SQL queries here.
Rollback transaction -- OR commit transaction
If you want to incorporate error handling you can do so by using a TRY...CATCH BLOCK. Should an error occur you can then rollback the tranasction within the catch block.
For example:
USE AdventureWorks;
GO
BEGIN TRANSACTION...
Array versus linked-list
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It's easier to store data of different sizes in a linked list. An array assumes every element is exactly the same size.
As you mentioned, it's easier for a linked list to grow organically. An array's size needs to be known ahead of time, or re-created wh...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
I have a command that runs fine if I ssh to a machine and run it, but fails when I try to run it using a remote ssh command like :
...
How do I check if an object has a specific property in JavaScript?
How do I check if an object has a specific property in JavaScript?
24 Answers
24
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
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You need to verify the permissions of the authorized_keys file and the folder / parent folders in which it is located.
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
For more information see this page.
You may also need to change/ver...
How do you run multiple programs in parallel from a bash script?
...t tried this, and it didn't work as expected for me. However, a slight modification worked: prog1 & prog2 ; fg This was for running multiple ssh tunnels at once. Hope this helps someone.
– jnadro52
Jan 20 '16 at 20:18
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How to generate a random number between a and b in Ruby?
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This is a really bad idea, especially if your a and b are of unknown sizes. Try (100000000000000000..100000000000000).to_a.sample and see what I mean : )
– pixelearth
Sep 16 '11 at 22:06
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