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Catching all javascript unhandled exceptions
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You can do this by using window.onerror method.
window.onerror = function myErrorHandler(errorMsg, url, lineNumber) {
alert("Error occured: " + errorMsg);//or any message
return false;
}
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“Cloning” row or column vectors
Sometimes it is useful to "clone" a row or column vector to a matrix. By cloning I mean converting a row vector such as
9 A...
How to replace master branch in Git, entirely, from another branch? [duplicate]
...s for the detailed response, when I run 'git push remote :master' I get an error - 'remote' does not appear to be a git repository.
– Jason
May 19 '10 at 4:02
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What is the Scala annotation to ensure a tail recursive function is optimized?
...eption("bang!")
| else bang(x-1)
| }
| }
<console>:9: error: could not optimize @tailrec annotated method: it contains a recursive call not in tail position
@tailrec def boom(x: Int): Int = {
^
<console>:13: error: could not optimize @tailrec ann...
Android Hello-World compile error: Intellij cannot find aapt
...n Android Application Module, but when I try to build, I get the following error:
13 Answers
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Terminating a script in PowerShell
...ing for a way to terminate a PowerShell (PS1) script when an unrecoverable error occurs within a function. For example:
10 ...
Group query results by month and year in postgresql
...s above recommended and I was getting a column 'year_month' does not exist error.
What worked for me was:
SELECT
date_trunc('month', created_at), 'MM/YYYY' AS month
FROM
"orders"
GROUP BY
date_trunc('month', created_at)
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How to get a specific “commit” of a gem from github?
I'm using rails_admin , and since it is in (very) active development, bugs turn up every now and then.
2 Answers
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Delete all local changesets and revert to tree
I'm using Mercurial and I've got into a terrible mess locally, with three heads. I can't push, and I just want to delete all my local changes and commits and start again with totally clean code and a clean history.
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'heroku' does not appear to be a git repository
...heroku:
heroku login
Enter your credentials.
It's common to get this error when using a cloned git repo onto a new machine. Even if your heroku credentials are already on the machine, there is no link between the cloned repo and heroku locally yet. To do this, cd into the root dir of the clone...