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Correct way to try/except using Python requests module?
...he rare invalid HTTP response, Requests will raise an HTTPError exception.
If a request times out, a Timeout exception is raised.
If a request exceeds the configured number of maximum redirections, a TooManyRedirects exception is raised.
All exceptions that Requests explicitly raises inherit from re...
Cannot simply use PostgreSQL table name (“relation does not exist”)
...);
SELECT * FROM sf_bands; -- ERROR!
Use double-quotes to delimit identifiers so you can use the specific mixed-case spelling as the table is defined.
SELECT * FROM "SF_Bands";
Re your comment, you can add a schema to the "search_path" so that when you reference a table name without qualify...
Get specific line from text file using just shell script
I am trying to get a specific line from a text file.
10 Answers
10
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Replace all elements of Python NumPy Array that are greater than some value
...and most concise way to do this is to use NumPy's built-in Fancy indexing. If you have an ndarray named arr, you can replace all elements >255 with a value x as follows:
arr[arr > 255] = x
I ran this on my machine with a 500 x 500 random matrix, replacing all values >0.5 with 5, and it t...
How to use random in BATCH script?
...
Given the specific problem, you will very likely be using some kind of loop? Then you should indeed be using delayed expansion e.g. via SETLOCAL ENABLEDELAYEDEXPANSION and using !RANDOM! instead of %RANDOM%, like Eugene posted.
...
What is the best way to exit a function (which has no return value) in python before the function en
...oes exactly the same as
return None
Your function will also return None if execution reaches the end of the function body without hitting a return statement. Returning nothing is the same as returning None in Python.
sha...
How can I find the location of origin/master in git, and how do I change it?
...e a bookmark, for remote repositories.
When you run git status, it checks if the remote is missing commits (compared to your local repository), and if so, by how many commits. If you push all your changes to "origin", both will be in sync, so you wont get that message.
2. If it's somewhere else...
Remove outline from select box in FF
...ox uses the text color to determine the color of the dotted border. So say if you do...
select {
color: rgba(0,0,0,0);
}
Firefox will render the dotted border transparent. But of course your text will be transparent too! So we must somehow display the text. text-shadow comes to the rescue:
sel...
How to run a shell script in OS X by double-clicking?
...ace
cd -- "$(dirname "$BASH_SOURCE")" right after the shebang line
or, if you must remain POSIX-compliant, cd -- "$(dirname "$0")".
For edge cases, such as finding a symlinked script's true source directory, see this answer of mine.
If the script is unexpectedly not executable:
Make it execu...
Why is AJAX returning HTTP status code 0?
...
Another case:
It could be possible to get a status code of 0 if you have sent an AJAX call and a refresh of the browser was triggered before getting the AJAX response. The AJAX call will be cancelled and you will get this status.
...