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ValueError: math domain error
...og as the definition is defining the set of equations, that is, x[0], x[1] and x[2] are variables x,y and z which Newton Raphson uses. It needs these set of equations to solve.
– ramanunni.pm
Apr 8 '13 at 23:11
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MySQL select with CONCAT condition
I'm trying to compile this in my mind.. i have a table with firstname and lastname fields
and i have a string like "Bob Jones" or "Bob Michael Jones" and several others.
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Pycharm does not show plot
...
Just use
plt.show()
This command tells the system to draw the plot in Pycharm.
Example:
plt.imshow(img.reshape((28, 28)))
plt.show()
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improve th...
PendingIntent does not send Intent extras
...pected behaviour, try to implement void onNewIntent(Intent intent) event handler, that way you can access the new intent that was called for the activity (which is not the same as just calling getIntent(), this will always return the first Intent that launched your activity.
@Override
protected vo...
Determine distance from the top of a div to top of window with javascript
...en, not the top of the document. I've tried a few things like .offset() and .offsetHeight , but I just can't wrap my brain around it. Thanks!
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Is there a “do … while” loop in Ruby?
...ere Matz states:
|> Don't use it please. I'm regretting this feature, and I'd like to
|> remove it in the future if it's possible.
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|I'm surprised. What do you regret about it?
Because it's hard for users to tell
begin <code> end while <cond>
works differently from
<...
Bind a function to Twitter Bootstrap Modal Close
I am using the Twitter Bootstrap lib on a new project and I want for part of the page to refresh and retrieve the latest json data on modal close. I dont see this anywhere in the documentation can someone point it out to me or suggest a solution.
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When using Spring Security, what is the proper way to obtain current username (i.e. SecurityContext)
...iest way is:
@RequestMapping(method = RequestMethod.GET)
public ModelAndView showResults(final HttpServletRequest request, Principal principal) {
final String currentUser = principal.getName();
}
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How to copy yanked text to VI command prompt
...nt to know if there is any way by which I can paste yanked text to the command window. For instance if I have yanked a word and I want to grep it in some location I can't simply paste the word using 'p'. However if I copy it to clipboard, Shift-Insert will paste the same thing.
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Disable IPython Exit Confirmation
...ake sure the directory exists (or run ipython profile create to create it) and add these lines to $HOME/.ipython/profile_default/ipython_config.py:
c = get_config()
c.TerminalInteractiveShell.confirm_exit = False
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