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Rails auto-assigning id that already exists
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Rails is probably using the built-in PostgreSQL sequence. The idea of a sequence is that it is only used once.
The simplest solution is to set the sequence for your company.id column to the highest value in the table with a query like this:
SELECT setval('company_id_seq', (SELECT max(...
How to fix SSL certificate error when running Npm on Windows?
... HTTP registry or setting NODE_TLS_REJECT_UNAUTHORIZED. These are not good ideas because you're opening yourself up to further man-in-the-middle or redirection attacks. A quick spoof of your DNS records on the machine doing the package installation and you'll find yourself trusting packages from any...
How do you unit test private methods?
...on. This is what jtr was meaning about it making your tests fragile. In an ideal world, you should be able to refactor your code and have your tests still pass, verifying that your refactoring hasn't changed the functionality of your system.
– Alconja
May 28 '0...
How to make an immutable object in Python?
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Wouldn't it be a better idea to use a tuple here, __slots__ = (), rather than __slots__ = []? (Just clarifying)
– user225312
Jan 28 '11 at 12:20
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How do you run CMD.exe under the Local System Account?
... OSK in service session, it will run as NT Authority\SYSTEM
so I had the idea you have to run it on Secure Desktop.
Start any file as Administrator. When UAC prompts appear, just press Win+U and start OSK and it will start CMD instead. Then in the elevated prompt, type whoami and you will get NT ...
What does the construct x = x || y mean?
...this example, there is no way to set flagA to false.
It would be a better idea to explicitly check whether flagA is undefined, like that:
function goodFunction(/* boolean */flagA) {
flagA = typeof flagA !== "undefined" ? flagA : true;
console.log("flagA is set to " + (flagA ? "true" : "false")...
Why does int i = 1024 * 1024 * 1024 * 1024 compile without error?
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I have no idea why the second variant produces no error.
The behaviour that you suggest -- that is, the production of diagnostic message when a computation produces a value that is larger than the largest value that can be stored in ...
HTML5 record audio to file
...sn't seem to work properly on windows 8, the audio playback is silent. Any ideas?
– Mark Murphy
Aug 14 '13 at 22:34
2
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How to hide image broken Icon using only CSS/HTML?
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Somehow I completely missed this idea, when it is so obvious in retrospect! Unfortunately, I don't think the object tag can gracefully handle responsive images like we're starting to see on the img.srcset property :(
– Windgazer
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Getting and removing the first character of a string
...ng(x, 1, 1)
## [1] "h"
substring(x, 2)
## [1] "ello stackoverflow"
The idea of having a pop method that both returns a value and has a side effect of updating the data stored in x is very much a concept from object-oriented programming. So rather than defining a pop function to operate on chara...