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How to sum all column values in multi-dimensional array?
How can I add all the columnar values by associative key? Note that key sets are dynamic.
20 Answers
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Django datetime issues (default=datetime.now())
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it looks like datetime.now() is being evaluated when the model is defined, and not each time you add a record.
Django has a feature to accomplish what you are trying to do already:
date = models.DateTimeField(auto_now_add=True, b...
How do I “git blame” a deleted line?
...hat existed in a specific previous commit was eventually deleted. I'm thinking bisect , but I was hoping for something handier.
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iOS detect if user is on an iPad
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There are quite a few ways to check if a device is an iPad. This is my favorite way to check whether the device is in fact an iPad:
if ( UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad )
{
return YES; /* Device is iPad */
}
The way I use it
#defi...
Cannot hide status bar in iOS7
...status bar appearance" and set it to NO
Note that this simply does not work, if you are using UIImagePickerController in the app.
from http://www.openfl.org/developer/forums/general-discussion/iphone-5ios-7-cant-hide-status-bar/, mgiroux's solution
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getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
I would like to use jQuery to get the X/Y coordinates of a click event on an image. The coordinates should be relative to the image, not relative to the whole page
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Running Selenium WebDriver python bindings in chrome
I ran into a problem while working with Selenium. For my project, I have to use Chrome. However, I can't connect to that browser after launching it with Selenium.
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Decimal number regular expression, where digit after decimal is optional
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Jonathan Feinberg
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answered Aug 24 '12 at 21:43
João SilvaJoão Sil...
Android Studio: how to remove/update the “Created by” comment added to all new classes?
...> Preferences
on Windows and Linux choose File -> Settings
Then look for Editor -> File and Code Templates in the left hand pane.
You have two ways you can change this...
1) Select the Includes tab and edit the Created by... text directly.
2) Select the Templates tab and edit the #pa...
What does “DAMP not DRY” mean when talking about unit tests?
... change to the code. DRY increases maintainability by isolating change (risk) to only those parts of the system that must change.
So, why is duplication more acceptable in tests?
Tests often contain inherent duplication because they are testing the same thing over and over again, only with slightl...