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Reusing output from last command in Bash
...ster? E.g. something similar to $? capturing the output instead of the exit status.
12 Answers
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How to strip HTML tags from string in JavaScript? [duplicate]
...s the probably the best bet in current browsers. The following will work, with the following caveats:
Your HTML is valid within a <div> element. HTML contained within <body> or <html> or <head> tags is not valid within a <div> and may therefore not be parsed correctly...
Greenlet Vs. Threads
... to gevents and greenlets. I found some good documentation on how to work with them, but none gave me justification on how and when I should use greenlets!
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Need to handle uncaught exception and send log file
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Here's the complete solution (almost: I omitted the UI layout and button handling) - derived from a lot of experimentation and various posts from others related to issues that came up along the way.
There are a number of things you need to do:
Handle uncaughtExc...
How to escape single quotes in MySQL
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Put quite simply:
SELECT 'This is Ashok''s Pen.';
So inside the string, replace each single quote with two of them.
Or:
SELECT 'This is Ashok\'s Pen.'
Escape it =)
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Camera orientation issue in Android
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There are quite a few similar topics and issues around here. Since you're not writing your own camera, I think it boils down to this:
some devices rotate the image before saving it, while others simply add the orientation tag in the pho...
How can I read large text files in Python, line by line, without loading it into memory?
...o read each line, but obviously I do not want to use readlines() because it will create a very large list in the memory.
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Android studio logcat nothing to show
...thing to show in the logcat. I used the terminal to run ./adb logcat and it works.
60 Answers
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How do I filter ForeignKey choices in a Django ModelForm?
...yset attribute. Depends on how your form is built. If you build an explicit form, you'll have fields named directly.
form.rate.queryset = Rate.objects.filter(company_id=the_company.id)
If you take the default ModelForm object, form.fields["rate"].queryset = ...
This is done explicitly in the ...
How to remove non-alphanumeric characters?
... like you almost knew what you wanted to do already, you basically defined it as a regex.
preg_replace("/[^A-Za-z0-9 ]/", '', $string);
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