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Subprocess changing directory
...ode tries to do is call a program named cd ... What you want is call a command named cd.
But cd is a shell internal. So you can only call it as
subprocess.call('cd ..', shell=True) # pointless code! See text below.
But it is pointless to do so. As no process can change another process's working ...
Compile time string hashing
...ing's hash at compile time. However, no one seems to be ready to come out and say that it will be possible or how it would be done.
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What is a proper naming convention for MySQL FKs?
... users(user_id);
I try to stick with the same field names in referencing and referenced tables, as in user_id in the above example. When this is not practical, I also append the referenced field name to the foreign key name.
This naming convention allows me to "guess" the symbolic name just by l...
MaxJsonLength exception in ASP.NET MVC during JavaScriptSerializer
...e same maxJson issue but when posting data to the controller , How can I handle this , I spent so much time searching about this .Any help would be grateful.
– katmanco
Mar 3 '15 at 22:37
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HTML5 Email Validation
...your email">
<input type="submit" value="Submit">
</form>
And when the user press submit, it automatically shows an error message like:
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Multi-line regex support in Vim
I notice the standard regex syntax for matching across multiple lines is to use /s, like so:
1 Answer
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Django templates: verbose version of a choice
... for the field, where 'FOO' is the name of the field.
Note: in case the standard FormPreview templates are not using it, then you can always provide your own templates for that form, which will contain something like {{ form.get_meal_display }}.
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How to run a python script from IDLE interactive shell?
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Can you please add an example with command line arguments as well.
– ViFI
Jul 18 '16 at 22:55
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Why should eval be avoided in Bash, and what should I use instead?
Time and time again, I see Bash answers on Stack Overflow using eval and the answers get bashed, pun intended, for the use of such an "evil" construct. Why is eval so evil?
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How do I use Java to read from a file that is actively being written to?
...r. I'm still looking for a better way, but this works for me for now.
Oh, and I'll caveat this with: I'm using 1.4.2. Yes I know I'm in the stone ages still.
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