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Can “git pull --all” update all my local branches?
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The behavior you describe for pull --all is exactly as expected, though not necessarily useful. The option is passed along to git fetch, which then fetches all refs from all remotes, instead of just the needed one; pull then merges (or...
What are some (concrete) use-cases for metaclasses?
...ent the figure count, call draw manually, etc, but I needed to do these before and after every plotting call. So to create both an interactive plotting wrapper and an offscreen plotting wrapper, I found it was more efficient to do this via metaclasses, wrapping the appropriate methods, than to do s...
What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }
...hat the whole file is wrapped like the following in the .js files to be imported.
8 Answers
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What are the uses of the exec command in shell scripts? [closed]
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The exec built-in command mirrors functions in the kernel, there are a family of them based on execve, which is usually called from C.
exec replaces the current program in the current process, without forking a new process. It is not something you would...
What is the best way to implement “remember me” for a website? [closed]
...ot have to log in each time they visit my website. I know I will need to store a cookie on their computer to implement this, but what should be contained in that cookie?
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Requests — how to tell if you're getting a 404
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if r.status_code == 404:
# A 404 was issued.
Demo:
>>> import requests
>>> r = requests.get('http://httpbin.org/status/404')
>>> r.status_code
404
If you want requests to raise an exception for error codes (4xx or 5xx), call r.raise_for_status():
>>> r ...
Disable Interpolation when Scaling a
...g canvas elements are rendered when scaled up , not to do with how lines or graphics are rendered onto a canvas surface . In other words, this has everything to do with interpolation of scaled elements , and nothing to do with antialiasing of graphics being drawn on a canvas. I'm not concern...
What happens if you call erase() on a map element while iterating from begin to end?
...nt needs to be erased. Is it safe to erase the element and keep iterating or do I need to collect the keys in another container and do a second loop to call the erase()?
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ReferenceError: event is not defined error in Firefox
I've made a page for a client and I initially was working in Chrome and forgot to check if it was working in Firefox. Now, I have a big problem because the whole page is based upon a script that doesn't work in Firefox.
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delete_all vs destroy_all?
I am looking for the best approach to delete records from a table. For instance, I have a user whose user ID is across many tables. I want to delete this user and every record that has his ID in all tables.
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